Abstract:
:Primary seminal vesicle adenocarcinoma is a rare malignancy of the male genito-urinary system with only a few confirmed reported cases. Initial tissue diagnostic modality is often a core biopsy specimen. Here, we report this rare entity in a 50-year-old male, highlighting the histomorphological and immunohistochemical approach to the core biopsy specimen of the seminal vesicle mass. The patient presented with a history of haematospermia and gross haematuria for one year, and radiological workup was found to have a right seminal vesicle mass. A trans-rectal ultrasound guided core biopsy revealed a tumourous lesion with a predominant papillary architecture and cytological features of neoplasia. Based on positivity for CK7, PAX-8 and CA-125, and Ki-67 index of 30%-40% and negativity for PSA, AMACR, CK20, CDX-2, p63, GATA3, WT1 and calretinin, a diagnosis of primary seminal vesicle adenocarcinoma was offered. The diagnosis was also confirmed on the surgically resected specimen. This case depicts the approach of a pathologist to diagnose this rare entity on the core biopsy specimen and the possible differential diagnoses one must consider.
journal_name
Andrologiajournal_title
Andrologiaauthors
Bhardwaj N,Rastogi P,Attri VS,Bora GS,Gorsi Udoi
10.1111/and.13512subject
Has Abstractpub_date
2020-04-01 00:00:00pages
e13512issue
3eissn
0303-4569issn
1439-0272journal_volume
52pub_type
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