Glandular-type inverted papilloma of urinary bladder - Report of a unique case with immunohistochemistry

Inverted papilloma of urothelium is a rare benign tumour accounting for 1-2% of all the urothelial lesions. Morphologically, these are of two main subtypes - trabecular and glandular, of which the former subtype is most frequently encountered compared to the latter. The glandular subtype closely mim...

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Bibliographic Details
Published in:Indian journal of pathology & microbiology 2020-01, Vol.63 (1), p.96-97
Main Authors: Sundaram, Archana, Gupta, Kirti, Singla, Sonal, Singh, Shrawan
Format: Article
Language:English
Subjects:
Accounting
Bladder
Carcinoma
Cystitis
Cystoscopy
Growth patterns
Hematuria
Histochemistry
Histopathology
Immunohistochemistry
Papilloma
Prostate
Tumors
Urinary bladder
Urogenital system
Urothelial carcinoma
Urothelium
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Summary:Inverted papilloma of urothelium is a rare benign tumour accounting for 1-2% of all the urothelial lesions. Morphologically, these are of two main subtypes - trabecular and glandular, of which the former subtype is most frequently encountered compared to the latter. The glandular subtype closely mimics cystitis glandularis and urothelial carcinoma with inverted growth pattern. We discuss a case of a 27-year-old male presenting with hematuria. On cystoscopy, he was found to have a bladder mass which was diagnosed as glandular-type of inverted papilloma on histopathology. The image illustrates the histopathology for easy identification and early diagnosis of this rare entity.
ISSN:0377-4929
0974-5130
DOI:10.4103/IJPM.IJPM_456_18