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Indian J Pathol Microbiol. 2020 Jan-Mar;63(1):96-97. doi: 10.4103/IJPM.IJPM_456_18.

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

Author information

1
Department of Histopathology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
2
Department of Urology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.

Abstract

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.

KEYWORDS:

Glandular subtype; hematuria; inverted papilloma

PMID:
32031131
DOI:
10.4103/IJPM.IJPM_456_18
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