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Journal of Medical Case Reports

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Open Access 01-12-2010 | Case report

Carcinoid tumor of the verumontanum (colliculus seminalis) of the prostatic urethra with a coexisting prostatic adenocarcinoma: a case report

Authors: Maxwell Smith, M Scott Lucia, Priya N Werahera, Francisco G La Rosa

Published in: Journal of Medical Case Reports | Issue 1/2010

Abstract

Introduction

Urethral carcinoid tumors are very rare tumors with only four cases described in the literature.

Case presentation

We present the case of a 61-year-old man with a primary carcinoid tumor of the verumontanum (colliculis seminalis) portion of the prostatic urethra with a coexisting prostatic adenocarcinoma. In addition to whole mount hematoxylin and eosin staining, special immunoperoxidase staining specific for chromogranin A, neuron specific enolase, synaptophysin, pan-cytokeratin and PSA, and a special combined staining for racemase (α-methyl CoA) antigen and p63 antigen were performed. A review of the literature is included.

A single focus of invasive prostatic adenocarcinoma was identified in the periphery of the mid-left, posterior quadrant of the prostate. Approximately 17 mm from this adenocarcinoma, within the verumontanum of the prostatic urethra, there was a 3 mm maximal dimension carcinoid tumor.

Conclusion

Based on different histological features and antigenic profiles, we concluded that the two tumors were distinct.

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Title: Carcinoid tumor of the verumontanum (colliculus seminalis) of the prostatic urethra with a coexisting prostatic adenocarcinoma: a case report
Authors: Maxwell Smith
M Scott Lucia
Priya N Werahera
Francisco G La Rosa
Publication date: 01-12-2010
Publisher: BioMed Central
Published in: Journal of Medical Case Reports / Issue 1/2010
Electronic ISSN: 1752-1947
DOI: https://doi.org/10.1186/1752-1947-4-16

At a glance: The STEP trials

Springer Medicine

Carcinoid tumor of the verumontanum (colliculus seminalis) of the prostatic urethra with a coexisting prostatic adenocarcinoma: a case report

Abstract

Introduction

Case presentation

Conclusion

At a glance: The STEP trials

Springer Medicine

Abstract

Introduction

Case presentation

Conclusion

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