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Prostate

Microscopic mimics of prostatic carcinoma

Verumontanum mucosal hyperplasia


Reviewers: Komal Arora, M.D., (see Reviewers page)
Revised: 25 July 2012, last major update July 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.

General
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● Well-circumscribed small glandular proliferation in or adjacent to verumontanum and posterior prostatic urethra
● Basal cell layer identifiable with routine H&E staining
● Luminal contents have lamellated eosinophilic concretions typical of corpora amylacea and fragmented orange-red concretions
● May involve prostatic ducts, ejaculatory ducts, utricle, or adjacent urethral mucosa
● Associated with adenosis / atypical adenomatous hyperplasia (Arch Pathol Lab Med 2001;125:358)
● No crystalloids or intraluminal mucin

Micro images
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Various images

Differential diagnosis
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● Prostatic adenocarcinoma-low grade: different site - not verumontanum or adjacent posterior urethra; has no basal layer (Am J Clin Pathol 1995;104:620, Am J Surg Pathol 1995;19:30)

End of Prostate > Microscopic mimics of prostatic carcinoma > Verumontanum mucosal hyperplasia


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