Iranian Journal of Pathology

A Carcinoid Tumor in the Urinary Bladder With Uncommon Clinicopathological Presentation

Document Type : Case Reports

Authors

Krishnendu Mondal
Rupali Mandal

Dept. of Pathology, Sonoscan Healthcare, Malda, India

https://doi.org/10.30699/ijp.2017.25688
Abstract
Background: Carcinoid tumors usually originate from the enterochromaffin cells located in gastrointestinal tract and bronchopulmonary system. They may rarely arise in the urinary bladder, where this can be eventually miscued as any other commoner bladder neoplasms. The current study was conducted to connote an uncommon clinicopathological presentation by a carcinoid tumor in the urinary bladder.
Case: A 52-year-old male, who initially experienced obstructive urinary symptoms, underwent cystourethroscopy  to remove a tumor in the urinary bladder. The tumor exhibited insular, trabecular, and organoid architecture on histology without any necrosis or mitosis, stained positively with chromogranin A, and thereby, confirmed the diagnosis of a pure carcinoid tumor.
Conclusion: Carcinoid tumors rarely arise in the urinary bladder and other genitourinary organs. But, several other and relatively more common bladder neoplasms may often deceptively simulate it. This dilemma could be resolved easily with the application of proper immunohistochemistry (IHC) in neuroendocrine tumors.

Keywords

Carcinoid Tumor
Chromogranin A
Cystourethroscopy
Immunohistochemistry Urinary Bladder

Subjects

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Iranian Journal of Pathology
Volume 12, Issue 3
Summer 2017
Pages 277-280

  • Receive Date 12 April 2016
  • Accept Date 05 February 2017

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