| CASE REPORT |
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| Year : 2014 | Volume
: 30
| Issue : 1 | Page : 105-107 |
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The nested variant of urothelial carcinoma arising in a fibroepithelial polyp: Report of a case and review of literature
Nadira Mamoon, Zujajah Hameed, Fazal Ilahi, Imran Nazir Ahmad
Department of Histopathology, Shifa International Hospital, Islamabad, Pakistan
Correspondence Address:
Nadira Mamoon
Department of Histopathology, Shifa International Hospital, Islamabad H8/4
Pakistan
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/0970-1591.124217
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The nested variant of urothelial carcinoma is a rare but very important histological entity due to its deceptively bland-looking appearance and aggressive behavior. We present a case of a 30-year-old man who was found to have a solitary polypoid growth in the bladder. It was resected and found to be a fibroepithelial polyp; a rare entity in itself, harboring the above tumor. The lesion also showed a second population of scattered bizarre stromal cells. To our knowledge, this is the first instance of a nested variant of urothelial carcinoma arising in a fibroepithelial polyp. The presence of atypical stromal cells has also not been described previously. |
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