TY - JOUR ID - 14587 TI - The Report of KRAS Mutation and NRAS Wild-Type in a Patient with Thyroid Metastasis from Colon Cancer: a Rare Case Report JO - Iranian Journal of Pathology JA - IJP LA - en SN - 1735-5303 AU - Payandeh, Mehrdad AU - Sadeghi, Masoud AU - Sadeghi, Edris AD - Dept. of Hematology and Oncology, Kermanshah University of Medical Sciences, Kermanshah, Iran AD - Students Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran Y1 - 2016 PY - 2016 VL - 11 IS - 1 SP - 71 EP - 75 KW - Colon cancer KW - KRAS KW - NRAS KW - Thyroid DO - N2 - Colorectal cancer (CRC) metastasis to the thyroid gland is rare. Here wereport a 45 yr-old man in western Iran referred to Hematology Clinic, Kermanshah city, Iran in March 2014 with complaint of exertional dyspnea, multi-nodular goiter as well as complaint of exertional dyspnea, and multi-nodular goiter. His history included a low anterior resection of rectum in 9 months ago for a high-risk stage II rectal adenocarcinoma. He did not show clinical signs of hyperthyroidism other than thyroid enlargement. In thyroid nodule the FNA cytology, pathology reported anaplastic thyroid malignancy. Pathologists reported final diagnosis of colorectal metastasis of thyroid gland. Then due to metastatic pattern of disease, his pathology was evaluated for RAS molecular assay. In the patients of metastatic CRC, RAS testing is the first step to identify those patients that could benefit from anti-EGFR monoclonal antibodies treatment. UR - https://ijp.iranpath.org/article_14587.html L1 - https://ijp.iranpath.org/article_14587_adbc87e951b1d3d9565c0609da6bc2c7.pdf ER -