Gynecologic Pathology
Mojtaba Sehhat; Zahra Moshfegh Arani; Niyusha Niusha Lajevardi; Malek Reiesifar; Fahimeh Abdi Abyaneh; Zarichehr Vakili
Abstract
Background & Objective: Endometrial carcinoma is one of the most common malignancies in women in developed countries and the fourth malignancy in Iranian women. Therefore, the identification of its causative factors is essential for the prevention, diagnosis, and treatment. This study was aimed to ...
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Background & Objective: Endometrial carcinoma is one of the most common malignancies in women in developed countries and the fourth malignancy in Iranian women. Therefore, the identification of its causative factors is essential for the prevention, diagnosis, and treatment. This study was aimed to compare the leptin receptor (Ob-R) expression in the endometrial carcinoma cases and non-carcinoma samples.Methods: In this case-control study, 89 samples (including 45 carcinoma and 44 non-carcinoma samples) were examined. The carcinomatous samples were selected by the census method and others were selected with random method. The data were obtained from histopathologic diagnosis, immunohistochemistry (negative, positive and intensity of immunoreactivity), age, history of diabetes, and hypertension. Ob-R expression was compared in the studied groups using Chi-square, Fisher tests and Multivariate logistic regression analysis. In all tests the level of significance was set at 0.05. The SPSS 26 was used for data analysis.Results: The frequency of high levels of leptin receptors in the patients with endometrial carcinoma was significantly higher compared to the control group (57.8% vs. 2.3%) (P<0.05). Adjusting the effects of age, history of diabetes mellitus (DM) and hypertension (HTN) revealed that the positive-receptor group had 37.75 (95% CI; 5.18-275.04) odds of having endometrial carcinoma (P<0.001).Conclusion: The leptin receptor may be a risk factor for the endometrial carcinoma among women tested in Kashan. Based on these results, leptin receptor might be considered as a potential biomarker for screening the endometrial carcinoma or targeting the therapeutic purposes.
Shirin Niroumanesh; Fatemeh Mirzaei
Volume 4, Issue 4 , September 2009, , Pages 182-185
Abstract
Background and Objectives: The diagnosis of pregnancy associated adnexal masses is rising due to routine utilization of sonography in prenatal care. The purpose of this study was to describe pregnancy associated adnexal masses over a period of 10 years. Patients and Methods: A retrospective study was ...
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Background and Objectives: The diagnosis of pregnancy associated adnexal masses is rising due to routine utilization of sonography in prenatal care. The purpose of this study was to describe pregnancy associated adnexal masses over a period of 10 years. Patients and Methods: A retrospective study was reviewed hospital records of all pregnant women with adnexal mass that underwent surgical resection in Mirza Kuchak Khan Hospital in Tehran from January 1996 to March 2006. The collected data included maternal age, parity, gestational age at diagnosis, surgery and delivery, presenting symptoms and treatment. The pregnancy outcome complications and histological findings were reviewed. Results: Totally 29220 deliveries were performed in our institution; adnexal masses were detected in 0.01% of pregnancies. Antepartum surgery was performed in 4 (10.3%) patients. The mean gestational age at delivery in patients undergoing surgery during pregnancy was 36 weeks (ranged 36-37 weeks) while in patients with cystectomy during cesarean delivery was 38 weeks (range: 33-40) (P=0.04). There were no statistically significant differences in birth weight between the patients undergoing surgery during pregnancy and those with surgery at cesarean delivery (P=0.176). The mean cyst diameter was 11 cm (range 4-16 cm) for patients operated during pregnancy while it was 4 cm (2.5-12 cm) for those undergoing surgery during cesarean delivery (P=0.006). The most common diagnosis was benign serous cyst (23.1%) followed by benign Dermoid cyst (20.5%). Conclusion: Patients undergoing laparotomy for adnexal mass during pregnancy had higher risk of preterm labor but there were no difference in birth weight.
Ali Zare Mirzaie; Maryam Abolhasani; Roozbeh Mobasher Moghaddam; Maryam Kadivar
Volume 7, Issue 3 , July 2012, , Pages 183-189
Abstract
Background and Objectives: Gastrointestinal polyps are proliferative or neoplastic mucosal lesions. The most important point about these polyps is risk of malignancy of them. This study was performed to determine type and frequency of polyps of gastrointestinal tract in Iranian population according to ...
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Background and Objectives: Gastrointestinal polyps are proliferative or neoplastic mucosal lesions. The most important point about these polyps is risk of malignancy of them. This study was performed to determine type and frequency of polyps of gastrointestinal tract in Iranian population according to their locations.
Materials and Methods: Totally, 210 patients referred to Rasul-e-Akram Hospital in years 2006-2010 and had pathology report of gastrointestinal polyps were included in the study. Frequency of gastrointestinal polyps was determined according to type, histological subtype, location, age and sex. The data was analyzed by software SPSS 16.
Results: Of participants, 129 patients were male (61.4%) and 81 (38.6%) were female. The mean age of patients was 58.4±32 yr. The mode of age interval was 70-80 yr (25.2%). The most frequent presenting symptom was lower gastrointestinal bleeding as melena or hematochesia (31%). Colon and sigmoid were site of most of gastrointestinal polyps (74.2%). The most prevalent type of gastrointestinal polyps was adenomatous polyp which was reported in 175 patients (84.3%). The most common types of colonic and gastric polyps were adenomatous and hyperplastic types respectively.
Conclusion: Our data is highly confirmatory to previous studies regarding association of polyp with advanced age and male sex, the most prevalent symptom and site of gastrointestinal polyps, and the most common types of colonic polyps. The frequency of gastric polyps in our population differs with some studies.
Farahnaz Bidari Zerehpoosh; Arman Ahmadzadeh; Alireza Farahmand; Mahboobeh Chahkandi; Hossein AliMohammadi
Volume 8, Issue 3 , July 2013, , Pages 184-188
Abstract
Strongyloides stercoralis is a free living tropical and semitropical soil nematode which its larva penetrates skin. It can complete its life cycle in human body and causes autoinfection. Most patients have no frank symptoms. But respiratory, gastrointestinal and skin manifestation may occur. We report ...
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Strongyloides stercoralis is a free living tropical and semitropical soil nematode which its larva penetrates skin. It can complete its life cycle in human body and causes autoinfection. Most patients have no frank symptoms. But respiratory, gastrointestinal and skin manifestation may occur. We report a 76 year old man admitted to emergency room with muscle weakness, dyspnea, nausea, vomiting while receiving prednisolone 60 mg/d plus methotrexate 15 mg intramuscular injections per week for his underlying polymyositis. His upper endoscopy showed an ulcer and microscopic examination revealed S. stercoralis larvae and adult worm in gastric mucosa. He was treated with a combination of parenteral ivermectin and oral albendazole, the disease course ended in complete improvement with clearing of daily stool samples after more than 2 weeks of treatment. It is noteworthy that the pre-steroid stool examinations were negative for parasites.
Alireza Abdollahi; Hedieh Moradi-Tabriz; Mehrnaz Rasoulinejad
Volume 5, Issue 4 , September 2010, , Pages 208-211
Abstract
HIV-related Immunosuppression significantly increases the risk of acquiring opportunistic infections. This report describes a 69-year-old man, referred to hospital with decreased consciousness and productive cough. This man was a known case of human immunodeficiency virus positive. The sputum of this ...
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HIV-related Immunosuppression significantly increases the risk of acquiring opportunistic infections. This report describes a 69-year-old man, referred to hospital with decreased consciousness and productive cough. This man was a known case of human immunodeficiency virus positive. The sputum of this patient was positive for Salmonella typhimurium. Pulmonary auscultation signaled brief and scattered crackles especially in the lung bases. Lung graphy showed bronchopulmonary infiltration. Diagnosed with pneumonia due to Salmonella, the patient underwent treatment but he succumbed after 48 hours in septic shock. This case report demonstrates the importance of including general medical causes of immunosuppression and their treatment in the differential diagnosis and aetio-pathogenesis of HIV-infected patients with unusual clinical presentations.
Alireza Abdollahi
Volume 3, Issue 4 , September 2008, , Pages 208-213
Abstract
Background and Objective: Non-specific granulomatous prostatitis is an uncommon diffuse inflammatory condition of the prostate. It is important because it may be mistaken for prostatic carcinoma. The aim of the study was to determine the prevalence of non-specific granulomatous prostatitis (NSGP) ...
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Background and Objective: Non-specific granulomatous prostatitis is an uncommon diffuse inflammatory condition of the prostate. It is important because it may be mistaken for prostatic carcinoma. The aim of the study was to determine the prevalence of non-specific granulomatous prostatitis (NSGP) and comparing the results of transrectal ultrasonography, serum prostate specific antigen (PSA) and free prostate specific antigen levels, digital rectal exam (DRE) in NSGP with the prostate carcinoma and benign prostate hyperplasia. Materials and Methods: During a cross-sectional study, the prostate needle biopsy cases with the granulomatosts prostatitis diagnosis that had been referred to one of the largest pathology centers (1 year: 2006) were found and their clinical files were revised from the point of DRE, transrectal ultrasonography (TRUS), FPSA, and PSA. Some clinical and pathology findings such as age, microscopic findings, sonography information and experimental findings that had been necessary for the study were gathered and analyzed using SPSS software. Results: Out of 783 needle biopsies of prostate, 8 (1.02%) cases were non-specific granulomatous prostatitis. The age range of patients was 55-76 years (with a mean of 66.1 years). Mean of PSA level was 19.45 ng/ml and fPSA level was 0.7 ng/ml. In 2 patients, TRUS showed focal hypoechoic areas and in other 2 of these DRE revealed asymmetry and mild nodularity. Conclusion: There is no pattern of clinical, biochemical or ultrasound findings that allows a specific diagnosis of granulomatous prostatitis to be made or differentiate it from prostatic carcinoma and the biopsy is still necessary for the certain disease diagnosis.
Krishnamurthy Jayashree; Divya Kota Nagappa
Volume 6, Issue 4 , September 2011, , Pages 212-215
Abstract
Bronchiolo-alveolar carcinoma with subcutaneous chest wall metastasis is a very rare presentation. A case of 36- year-old male with metastatic subcutaneous chest nodule of bronchiolo-alveolar carcinoma, diagnosed by fine needle aspiration cytology, is reported here. Cutaneous metastases are of ...
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Bronchiolo-alveolar carcinoma with subcutaneous chest wall metastasis is a very rare presentation. A case of 36- year-old male with metastatic subcutaneous chest nodule of bronchiolo-alveolar carcinoma, diagnosed by fine needle aspiration cytology, is reported here. Cutaneous metastases are of diagnostic importance because they may be the first manifestation of an undiscovered internal malignancy and indicates a poor prognostic sign. Fine needle aspiration cytology plays an important role in the early diagnosis of subcutaneous metastasis and helps to differentiate from other subcutaneous nodules like skin adnexal lesions, soft tissue tumors and inflammatory lesions.
Subrata Pal; Biplab Kumar Biswas; Sanjay Sengupta; Srabani Chakrabarti
Volume 9, Issue 3 , July 2014, , Pages 219-222
Abstract
Heterotopic pancreas is an uncommon developmental anomaly of upper gastrointestinal tract. Heterotopic pancreas tissue is very rarely found in ileum. Intussusception in children is usually idiopathic, but definitive aetiology can be established in 90% of adult cases. We are reporting a case of pancreatic ...
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Heterotopic pancreas is an uncommon developmental anomaly of upper gastrointestinal tract. Heterotopic pancreas tissue is very rarely found in ileum. Intussusception in children is usually idiopathic, but definitive aetiology can be established in 90% of adult cases. We are reporting a case of pancreatic heterotopia presenting as a lead point of ileo-ileal intussusception in a 1year 3month year old boy.
Shravasti Roy; Indranil Das; Ayandip Nandi; Soma De
Abstract
Neuroblastoma is the most common extracranial solid tumor in childhood. In different classification of neuroblastomas, a subset of undifferentiated or poorly differentiated tumors with bizarre histological features has been mentioned. A 3-year-old girl presented with abdominal pain. Her haematological ...
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Neuroblastoma is the most common extracranial solid tumor in childhood. In different classification of neuroblastomas, a subset of undifferentiated or poorly differentiated tumors with bizarre histological features has been mentioned. A 3-year-old girl presented with abdominal pain. Her haematological and biochemical parameters were normal except her urinary vanelylmandelic acid level was elevated five times the normal value (64.4 IU/ml). On computed tomographyscan, a retroperitoneal contrast-enhancing mass was visible around D12-D13 region (60×52×47mm). Sections of CT guided trucut biopsy revealed large cells with pleomorphic nuclei, abundant cytoplasm and occasional multinucleated giant cells. Immunohistochemistry showed the cells reactive for neuron specific enolase, chromogranin-A, synaptophysin, non-reactive for cytokeratin, desmin and glial fibrillary acid protein and Alk-1. A diagnosis of anaplastic neuroblastoma was made. The child is currently under chemotherapy and doing well. How to cite this article: Roy S, Das I, Nandi A, De S. Retroperitoneal Anaplastic Neuroblastoma in a 3-Year-Old Female: A Rare Case Report. Iran J Pathol. 2015;10(3):227-30.
Immunology and Serology
Saeed Mohammadi; Sima Sedighi; Ali Memarian
Abstract
Background & Objective: Systemic lupus erythematosus (SLE) is an autoimmune disease with chronic inflammatory immune response. Current therapies mostly rely on glucocorticoids which are accompanied by side-effects and mostly fail to achieve a favorable remission. Th17 subpopulation of T cells is ...
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Background & Objective: Systemic lupus erythematosus (SLE) is an autoimmune disease with chronic inflammatory immune response. Current therapies mostly rely on glucocorticoids which are accompanied by side-effects and mostly fail to achieve a favorable remission. Th17 subpopulation of T cells is increased in exacerbated SLE as IL-17 cytokine is overexpressed. However, IL-17 is reported to be resistant to glucocorticoids in various disorders. Here, we evaluated the plasma level of IL-17 among newly diagnosed and under-treatment SLE patients to understand the effect of glucocorticoids on Th17 response. Methods: A total of 40 female SLE patients and 20 age- and sex- matched normal subjects were enrolled. IL-17 plasma level was evaluated using ELISA cytokine assay and analyzed with previously obtained IL-10, IFN-γ, and GILZ levels. Results: Our findings revealed that IL-17 was overexpressed among under-treatment SLE patients. There was a significant correlation between IL-17 and IFN-γ and significant reverse correlations between IL-17, IL-10, and GILZ levels. IL-17 was not significantly correlated with the disease activity. Conclusion: According to the role of IL-17 in tissue injury and the fact that glucocorticoids are not successful in preventing organ damages in SLE, the overexpressed IL-17 in response to therapies could be introduced as an underlying reason.
Mahsa Ahadi; Afshin Moradi; Azadeh Rakhshan; Alireza Arefian; Mitra Rafizadeh; Hanieh Zham
Abstract
Background and Objectives: Gliomas are the most prevalent subgroup of primary brain tumors with a relatively high mortality. However, oligodendrogliomas have a better prognosis compared to other subtypes due to their sensitivity to chemotherapy. Considering the low incidence and the resulting lack of ...
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Background and Objectives: Gliomas are the most prevalent subgroup of primary brain tumors with a relatively high mortality. However, oligodendrogliomas have a better prognosis compared to other subtypes due to their sensitivity to chemotherapy. Considering the low incidence and the resulting lack of information about oligodendrogliomas, particularly in Iran, this study aimed at assessing their basic characteristics. Methods:In this descriptive retrospective study, patients with definite diagnosis of oligodendroglioma were identified by reviewing the archives of pathology reports at the department of pathology of Shohada-e Tajrish Hospital during years 2008 to 2014. Age, gender, location, and the grade of the tumor were extracted and entered to the SPSS statistical software for analysis. Results: A total of 182 patients, including 115 males (63.2%) and 67 females (36.8%), were included with a mean age of 38.5±13.36 years. Frontal lobe was involved in 53 patients (29.1%), parietal lobe in 31 (17.0%), temporal lobe in 22 (12.1%), frontoparietal area in 15 (8.2%), parieto-occipital area in 11 (6.0%), temporoparietal and frontotemporal areas each in 9 subjects (4.9%), occipital lobe in 5 (2.7%), and the brainstem in 4 (2.2%). Furthermore, 108 cases (59.3%) had grade-2 and the remaining74 patients (40.7%) had grade-3 anaplastic oligodendrogliomas. The mean age of subjects with brainstem oligodendrogliomas was significantly lower than the other patients (p=0.025). Conclusion: Oligodendrogliomas commonly effects the frontal lobe, followed by the parietal and temporal lobes. The mean age of subjects with brainstem lesions was significantly lower than other patients. Age, gender or location of the tumor did not independently predict a higher grade lesion.
Oral Pathology
Thorakkal Shamim
Volume 11, Issue 3 , July 2016, , Pages 248-254
Abstract
Background: There is a paucity of information about the oral pathology related articles published in a pathology journal. This study aimed to audit the oral pathology related articles published in Iranian Journal of Pathology (Iran J Pathol)from 2006 to 2015. Methods: Bibliometric analysis of issues ...
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Background: There is a paucity of information about the oral pathology related articles published in a pathology journal. This study aimed to audit the oral pathology related articles published in Iranian Journal of Pathology (Iran J Pathol)from 2006 to 2015. Methods: Bibliometric analysis of issues of Iran J Pathol from 2006 to 2015 was performed using web-based search.The articles published were analyzed for type of article and individual topic of oral pathology. The articles published were also checked for authorship trends. Results: Out of the total 49 published articles related to oral pathology, case reports (21) and original articles (18) contributed the major share. The highest number of oral pathology related articles was published in 2011, 2014 and 2015 with 8 articles each and the least published year was 2012 with 1 article. Among the oral pathology related articles published, spindle cell neoplasms (7) followed by salivary gland tumors (5), jaw tumors (4), oral granulomatous conditions (4), lymphomas (4), oral cancer (3) and odontogenic cysts (3) form the major attraction of the contributors. The largest numbers of published articles related to oral pathology were received from Tehran University of Medical Sciences; Tehran (7) followed by Mashhad University of Medical Sciences, Mashhad (6) and Shahid Beheshti University of Medical Sciences, Tehran (5). Conclusion: This paper may be considered as a baseline study for the bibliometric information regarding oral pathology related articles published in a pathology journal.
Jahanbanoo Shahryari; Shahriar Dabiri; Amin Talebi
Volume 7, Issue 4 , September 2012, , Pages 251-255
Abstract
Kimura’s disease (KD) is a chronic inflammatory disorder primarily seen in male Asians during the second and third decades of life. Clinically, it presents as solitary or multiple subcutaneous nodules, predominantly in the head and neck region, typically in the pre auricular region, forehead, and ...
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Kimura’s disease (KD) is a chronic inflammatory disorder primarily seen in male Asians during the second and third decades of life. Clinically, it presents as solitary or multiple subcutaneous nodules, predominantly in the head and neck region, typically in the pre auricular region, forehead, and scalp. The etiology of Kimura disease is still unknown. This disorder should be suspected when the clinical triad of painless unilateral cervical adenopathy, hypereosinophilia, and hyper-IgE is present. We report a case of KD with multiple subcutaneous nodules in the parotid, submandibular and posterior auricular regions, hypereosinophilia and hyper IgE levels.
Jawahar Ramasamy; Renu G’Boy Varghese
Volume 8, Issue 4 , October 2013, , Pages 263-266
Abstract
Pedunculated chorangioma is extremely rare type of chorangioma. To the best of our knowledge, no case has been reported in Indian literature. We report one such rare case in a twenty two year old primi gravida who delivered a full term live female baby by lower section caesarian section (LSCS). Gross ...
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Pedunculated chorangioma is extremely rare type of chorangioma. To the best of our knowledge, no case has been reported in Indian literature. We report one such rare case in a twenty two year old primi gravida who delivered a full term live female baby by lower section caesarian section (LSCS). Gross examination revealed a nodular mass attached to the placenta by a pedicle. Histopathological examination confirmed it as chorangioma. The clinicopathological and radiological feature of this rare entity is presented with a brief review of literature.
Palash Kumar Mandal; Abhigyan Pandey; Supti Mukhopadhyay; Shravasti Roy
Volume 9, Issue 4 , October 2014, , Pages 277-280
Abstract
Rhinosporidiosis is a granulomatous disorder caused by Rhinosporidium seeberi, an aquatic parasite. It spreads through contaminated water and soil. It frequently involves the nasal cavity and nasopharynx. Disseminated or systemic lesions are rare. A 56 year old man presented with multiple tumor like ...
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Rhinosporidiosis is a granulomatous disorder caused by Rhinosporidium seeberi, an aquatic parasite. It spreads through contaminated water and soil. It frequently involves the nasal cavity and nasopharynx. Disseminated or systemic lesions are rare. A 56 year old man presented with multiple tumor like lesions all over the body in our cancer institute in April 2012. Fine needle aspiration cytology (FNAC) from the skin lesions revealed many sporangia and spores of R. seeberi. He had history of nasal mass being removed by excision and was immunocompetent. Histopathological examination and periodic acid Schiff (PAS) stain confirmed it to be disseminated rhinosporidiosis. His accessible lesions were excised with cautery and he was put on oral dapsone therapy. He did not show recurrence till six months of therapy. A common lesion with an uncommon presentation should not be missed which can increase the morbidity and even mortality in such a case.
Zahra Mansouri; Sedigheh Bakhtiari; Robab Noormohamadi
Abstract
Focal epithelial hyperplasia (FEH) or Heck’s disease is a rare viral infection of the oral mucosa caused by human papilloma virus especially subtypes 13 or 32. The frequency of this disease varies widely from one geographic region and ethnic groups to another. This paper reports an Iranian case ...
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Focal epithelial hyperplasia (FEH) or Heck’s disease is a rare viral infection of the oral mucosa caused by human papilloma virus especially subtypes 13 or 32. The frequency of this disease varies widely from one geographic region and ethnic groups to another. This paper reports an Iranian case of extensive focal epithelial hyperplasia. A 35-year-old man with FEH is described, in whom the lesions had persisted for more than 25 years. The lesion was diagnosed according to both clinical and histopathological features. Dental practitioner should be aware of these types of lesions and histopathological examination together and a careful clinical observation should be carried out for a definitive diagnosis.
Hematopathology
Paulus Budiono Notopuro; Jusak Nugraha; Budi Utomo; Harianto Notopuro
Abstract
Background & Objective: FLT3-ITD has been recently used as a molecular prognostic marker for risk classification in acute myeloid leukemia (AML) therapy. In this study we aimed to investigate the association of FLT3-ITD gene mutation with bone marrow blast cell count, CD34 expression as ...
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Background & Objective: FLT3-ITD has been recently used as a molecular prognostic marker for risk classification in acute myeloid leukemia (AML) therapy. In this study we aimed to investigate the association of FLT3-ITD gene mutation with bone marrow blast cell count, CD34 expression as malignant cell burden, cyclin D1 and Bcl-xL expressions as indexes of cell proliferation and anti-apoptosis and human equilibrative nucleoside transporter 1 (hENT1) expression as cytarabine transporter during AML treatment. Methods: We investigated FLT3-ITD mutations, bone marrow blast cell count, CD34, cyclin D1, Bcl-xL and hENT1 expression in bone marrow aspirates from 22 de novo AML patients in a cross sectional study. Results: FLT3-ITD mutations were observed in 5 out of 22 de novo AML patients (22.7%). Patient with FLT3-ITD mutations had higher blast cell counts (79.5% vs 56.1%, p =0.004). In patients with FLT3-ITD mutations, CD34 and cyclin D1 expressions were higher (MFI 328.80 vs 25.78, p =0.003 and MFI 74.51 vs 57.15 p =0.005) than the patients without mutations. hENT1 expression in AML with FLT3-ITD mutation was lower (MFI 29.64 versus 56.32, p =0.0000) than in mutation-free AML. There was no significant difference in Bcl-xL expression between patients with and without mutations (p =0.61). Conclusion: A significant association was found between FLT3-ITD gene mutations in AML patients with bone marrow blast cell count, CD34, cyclin D1 and hENT1 expressions, however no association was obtained with Bcl-xL expression. These findings support the role of such mutation in pathogenesis of AMLand its contribution in rearrangement of standard therapy with cytarabine in management of AML.
Uropathology
Taniza Farnaz; Pradip Bhattacharjee; M. Shahab Uddin Ahamad; Sharmin Ashraf Rima; Naznin Nahar Momin; Anika Sadaf
Abstract
Background & Objective: p16 is a tumor suppressor gene, loss of which is usually associated with poor epithelial differentiation, resulting in tumor progression, which correlates with aggressive clinical behavior and poor prognosis. CDK 4/6 inhibitors can be used as a therapeutic target in p16 negative ...
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Background & Objective: p16 is a tumor suppressor gene, loss of which is usually associated with poor epithelial differentiation, resulting in tumor progression, which correlates with aggressive clinical behavior and poor prognosis. CDK 4/6 inhibitors can be used as a therapeutic target in p16 negative cases. Bladder cancer is one of the most prevalent cancers, prognosis of which depends not only upon the histopathological type, grade, and invasiveness but also on many other factors. The purpose of this study was to examine p16 expression in bladder urothelial carcinoma among the people who receive treatment at a tertiary care facility in Chattogram, Bangladesh.Methods: At the Department of Pathology, Chittagong Medical College we did this cross-sectional study from July 2019 to September 2021. The study included fifty-one cases of primary urothelial bladder cancer for histopathological examinations. Immunostaining was done by using a primary antibody against p16.Results: Among the 51 cases, twenty-six cases (51%) showed positive p16 expression. The proportion of patients with high-grade (66.7%) and muscle-invasive (86.4%) tumors were more prone to show p16 negativity.Conclusion: The result of this study shows the high grade and muscle-invasive urothelial bladder cancer is linked to reduction of p16 expression, which may provide additional prognostic information to stratify the high-risk patients and can also guide treatment plans, being a therapeutic target.
GI, Liver & Pancreas Pathology
Shilpa Tukaram Patil; Clement Wilfred Devadass; Prasanna Shetty Badila
Abstract
Background & Objective: Colorectal cancer is the third most prevalent malignancy with high mortality rate, necessitating markers that predict survival and guide the treatment. Previous studies have examined the immunohistochemical expression of Bcl-2, an apoptotic marker, in colorectal carcinoma, ...
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Background & Objective: Colorectal cancer is the third most prevalent malignancy with high mortality rate, necessitating markers that predict survival and guide the treatment. Previous studies have examined the immunohistochemical expression of Bcl-2, an apoptotic marker, in colorectal carcinoma, but results have been contradictory. To evaluate the histopathological features of colorectal carcinoma, immunohistochemical expression of Bcl-2 must be analyzed to find out statistical association of Bcl-2 expression with certain prognostic factors histopathologic type, grade and TNM staging. Methods: This prospective study was conducted on the colectomy specimens of colorectal carcinoma, over a period of two years. The tumor morphology and Bcl-2 status were evaluated by immunohistochemistry in each case. Result: The study included 58 cases, with mean patient age of 47.07 years and male: female ratio of 1.89:1. Bcl-2 positivity was seen in 32.7% of the cases. Weak, moderate, and strong expression of Bcl-2 was seen in 12.1%, 12.1%, and 8.5% of cases respectively. Even though early stages of colorectal carcinoma showed greater frequency of Bcl-2 expression than advanced stages (36.3% versus 28%), however this association was not statistically significant. Conclusion: Lack of statistically significant correlation between Bcl-2 immuno-histochemical expression and prognostic parameters like tumor grade and stage, suggests that Bcl-2 immunoexpression may not be a significant prognostic marker in colorectal carcinoma.
Microbiology
Samaneh Rouhi; Rashid Ramazanzadeh
Volume 13, Issue 3 , July 2018, , Pages 348-356
Abstract
Background and Objective: Pseudomonas aeruginosa (P. aeruginosa) causes serious nosocomial and non-nosocomial infections. blaOxacillinases (OXA)-23 and blaOXA24/40 provide resistance to carbapenem antibiotics. The aim of this study was assessment of blaOXA-23 and blaOXA-24/40 in P. aeruginosa isolated ...
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Background and Objective: Pseudomonas aeruginosa (P. aeruginosa) causes serious nosocomial and non-nosocomial infections. blaOxacillinases (OXA)-23 and blaOXA24/40 provide resistance to carbapenem antibiotics. The aim of this study was assessment of blaOXA-23 and blaOXA-24/40 in P. aeruginosa isolated from patients with nosocomial and non-nosocomial infections. Methods: In this descriptive cross-sectional study performed in Sanandaj, Iran (Kurdistan province) in a period from December 2015 to August 2017, 146 isolates of Pseudomonas spp. were collected from patients’ specimens. Microbiological methods and polymerase chain reaction (PCR) with gyrB were applied for P. aeruginosa detection. Disk diffusion method with imipenem (IMP) (10µg) was performed for detection of resistant bacteria, and multiplex PCR of OXA-23 and OXA-24/40 were performed as well. Stata 12 with Fisher’s exact test and logistic regression were used for data analysis (P≤0.05).Results: PCR gyrB gene proved the existence of 91.78% P. aeruginosa isolates. Nosocomial infection with P. aeruginosa was observed in 41.79%. 27.61% of P. aeruginosa strains were resistant to IMP. blaOXA-23 and blaOXA24/40 were detected in 11.19% and 2.24% of the strains, respectively. 2.23% strains of P. aeruginosa showed a co-existence of blaOXA-23 and blaOXA24/40. There were no significant relationships between antibiotic resistance and presence of genes, and between IMP resistance and age, sex, city of residence, inpatient/outpatient, and specimen’s type (P≥0.05).Conclusion: Resistance to IMP and the presence of resistant genes in this study were observed in patients. More precautions should be taken in prescribing antibiotics and applying molecular techniques to detect genes, since they can cause antibiotic resistant.
Microbiology
Hossein Koupahi; Sahar Honarmand Jahromy; Mohammad Rahbar
Volume 11, Issue 4 , October 2016, , Pages 370-376
Abstract
Background: Methicillin resistant Staphylococcus aureus (MRSA) has been emerged as a nosocomial and community acquired pathogen worldwide. There are many challenges for laboratory detection of MRSA. The aim of this study was to compare different phenotypic methods with PCR based method as a gold standard ...
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Background: Methicillin resistant Staphylococcus aureus (MRSA) has been emerged as a nosocomial and community acquired pathogen worldwide. There are many challenges for laboratory detection of MRSA. The aim of this study was to compare different phenotypic methods with PCR based method as a gold standard for detection of mecA gene. Methods: A total of 220 clinical isolates of S. aureus which were isolated from various clinical specimens from September 2013 until the June of 2014 in Milad Hospital of Tehran, Iran was subject of our study. Methicillin resistance was determined by oxacillin and cefoxitin disks, oxacillin screen agar and CHROMagar™ MRSA medium. The results of these methods were compared with mecA gene based PCR method as a gold standard method. Results: Among 220 isolates from S. aureus, 105 (47.72%) isolates were positive for mecA gene by PCR method. The results of cefoxitin disk diffusion method with 100% sensitivity and specificity was the same as PCR method .CHROMagar™ MRSA medium had 98.13% sensitivity and 100% specificity. Oxacillin disk diffusion and oxacillin screen agar had 95.42% and 97.22% sensitivity respectively. Conclusion: Result of cefoxitin disk diffusion method with 100% sensitivity and specificity was the same as PCR method for detection mecA gene. Cefoxitin disk diffusion method can be used as an alternative method of PCR for detection of MRSA.
Microbiology
Nafiseh Izadi; Mahboubeh Naderi Nasab; Elnaz Harifi Mood; Zahra Meshkat
Abstract
Background and Objectives: Since the fluoroquinolones are the broad-spectrum antibiotics, they affect both Gram-negative and Gram-positive bacteria. These antibiotics are widely prescribed by physicians. As a result, some bacteria, especially Enterobacteriaceae, have shown a resistance to this family ...
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Background and Objectives: Since the fluoroquinolones are the broad-spectrum antibiotics, they affect both Gram-negative and Gram-positive bacteria. These antibiotics are widely prescribed by physicians. As a result, some bacteria, especially Enterobacteriaceae, have shown a resistance to this family of antibiotics. The current study aimed at detecting the frequency of qnrA, qnrB, and qnrS genes, novel plasmid-mediated quinolone-resistance genes, among extended-spectrum β-lactamases (ESBL)-positive and ESBL-negative Klebsiella pneumoniae isolates. Materials and Methods: One hundred and thirty isolates of K. pneumoniae were collected from Imam Reza Hospital and its associated clinics from May 2011 to July 2012. The isolates were tested for ESBLs by the conventional methods. Polymerase chain reaction (PCR) was performed to amplify qnr A, B, and S. Results: Thirty-eight (29.3%) isolates were ciprofloxacin-resistant. Among 130 K. pneumoniae infectious isolates, 56 (43%) were capable of producing ESBL; 10.8% (n=14), 15.4% (n=20), and 20.8% (n=27) of ESBL-producing K. pneumonia were positive for qnrA, qnrS, and qnrB, respectively, and 13.8% (n=18) of the isolates harbored 2 or 3 qnr genes. Conclusion: The results of the current study showed that quinolone-resistance genes were more frequent in ESBL-producing K. pneumoniae (37.5%) isolates, compared with the ESBL-negative isolates (20.89%). The prevalence of qnr genes was high in K. pneumoniae isolates, with higher frequency in ESBL-positive strains. Most of the isolates were positive for all 3 groups of qnr genes and the qnrB was the most common one.
Molecular Pathology
Freidoon Solhjoo; Akbar Safaie; Ahmad Monabati; Maral Mokhtari; Moeinadin Safavi
Volume 13, Issue 4 , October 2018, , Pages 438-446
Abstract
Background and Objective: Identification of cytogenetic and molecular changes plays an important role in acute myeloid leukemia (AML) patients. Thus, they are used in classification, prognosis and treatment of the disease. The CD123 expression and FLT3 gene mutations are also the variations that may ...
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Background and Objective: Identification of cytogenetic and molecular changes plays an important role in acute myeloid leukemia (AML) patients. Thus, they are used in classification, prognosis and treatment of the disease. The CD123 expression and FLT3 gene mutations are also the variations that may assist in prognosis and treatment of patients with AML.Methods: This study was performed on 76 patients as new cases of AML. The correlation between CD123 immunohistochemical (IHC) expression and FLT3 gene mutations with each other as well as morphological, immunophenotypical and cytogenetic factors was studied.Results: The results represented the CD123 IHC expression in 55.3% and FLT3 gene mutations in 28.9% of cases. We found that 81.3% of patients who had FLT3/ITD gene mutations revealed IHC of CD123 expression (P=0.019). The CD123 expression against FLT3 was also correlated with monocytic differentiation in bone marrow blasts (P=0.031). There were significant correlations between IHC expression of CD123 and FLT3/ITD mutations with a high percentage of aspirated bone marrow blasts (P=0.01 and P=0.006, respectively) as well as the lack of CD34 expression in bone marrow blasts (P=0.007 and P=0.021, respectively).Conclusion: The CD123 IHC positive AMLs were correlated with certain pathologic features, some of which can be similar with correlations of background mutation of FLT3/ITD; According to the negative predictive value (NPV), 88.2% of CD123 IHC showed FLT3 gene mutation. In addition to its use in targeted therapy, it could be a marker to decide what molecular tests to use in the next steps.
Betul PEKER CENGIZ; Fatma Secil KIRDOK; Hayrettin DIZEN
Volume 11, Issue 5 , October 2016, , Pages 452-455
Abstract
Russell body gastritis is a rare form of chronic gastritis. It is characterized by the invasion of lamina propria by plasma cells that included eosinophilic cytoplasmic inclusion. In the literature, most of the cases are associated with Helicobacter pylori. Russell body gastritis and Helicobacter pylori ...
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Russell body gastritis is a rare form of chronic gastritis. It is characterized by the invasion of lamina propria by plasma cells that included eosinophilic cytoplasmic inclusion. In the literature, most of the cases are associated with Helicobacter pylori. Russell body gastritis and Helicobacter pylori infection are generally seen together incidentally. We report here two cases of Russell body gastritis with Helicobacter pylori infection in a 51-yr-old woman and a 39-yr-old man from Eskisehir, Turkey.
Alireza Abdollahi; Hayedeh Haeri; Alireza Alaie Alamooti
Volume 5, Issue 1 , January 2010, , Pages 40-42
Abstract
Lipomas of the gasterointestinal Tract are relatively uncommon in clinical practice. Most cases are asymptomatic with small tumor size and do not need any special treatment but the large ones are known to cause symptoms such as abdominal pain, obstruction, intussusceptions, and bleeding. The ...
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Lipomas of the gasterointestinal Tract are relatively uncommon in clinical practice. Most cases are asymptomatic with small tumor size and do not need any special treatment but the large ones are known to cause symptoms such as abdominal pain, obstruction, intussusceptions, and bleeding. The majority (90%) of these lesions are submucosal with predominantly right sided with a slight preponderance in females. Recurrence or malignant transformation has not documented in these lesions. We present a case of giant submucosal lipoma in a 33 years old male in sigmoid colon presenting with abdominal pain and rectal bleeding from Imam Hospitals’ complex, Tehran-Iran. In patients with gastrointestinal symptoms and large mass in sigmoid and with non-specific findings in colonoscopy, this disease has to be taken into consideration.
