Inverted Papilloma of the Bladder Coexisting with Urothelial Carcinoma A Case Report

被引：0
|
作者：
Santana Veiga, Ricardo [1 ]
Cassis, Joao [2 ]
Oliveira, Pedro [3 ]
Lopez-Beltran, Antonio
机构：
[1] Hosp Luz, Dept Pathol, Ave Lusiada 100, P-1500650 Lisbon, Portugal
[2] Ctr Hosp Lisboa Ocidental, EPE, Dept Pathol, Lisbon, Portugal
[3] Fundacao Champalimaud, Dept Pathol, Lisbon, Portugal
来源：
ANALYTICAL AND QUANTITATIVE CYTOPATHOLOGY AND HISTOPATHOLOGY | 2016年 / 38卷 / 01期
关键词：
bladder; carcinoma in situ; high-grade papillary; hellial carcinoma; papilloma; inverted; urothelial carcinoma; URINARY-BLADDER; TRACT;
D O I：
暂无
中图分类号：
Q2 [细胞生物学];
学科分类号：
071009 ; 090102 ;
摘要：
BACKGROUND: Inverted papilloma (IP) is an unusual benign neoplasm, most commonly found in the bladder. Cases of malignant transformation have been reported in the past, although most of them are now considered to be urothelial carcinomas with an inverted growth pattern. CASE: A 54-year-old man was diagnosed with urothelial carcinoma in situ (UCIS), high-grade papillary urothelial carcinoma (HGPUC), and IP by transurethral resection specimen of the bladder. The urothelial carcinoma cells were seen colonizing the inverted papilloma. CONCLUSION: The coexistence of IP with UCIS and HGPUC is rare. Immunohistochemistry helps distinguish between IP and UC in difficult cases such as this one. A brief review of other reported cases of inverted papilloma coexisting with urothelial carcinoma in the English literature over the past 25 years is presented.
引用
收藏
页码：52 / 56
页数：5
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