Invasive bladder urothelial carcinoma, plasmacytoid variant: case report / Carcinoma urotelial invasor de bexiga, variante plasmocitoide: relato de caso
J. bras. patol. med. lab
;
52(4): 262-265, July-Sept. 2016. graf
Article
in English
| LILACS
| ID: lil-794701
ABSTRACT
ABSTRACT Invasive bladder urothelial carcinoma, plasmacytoid variant is a rare entity with scarce cases reported in the literature. We report a case of a 79 years old male, subjected to transurethral resection of bladder tumor, which histological examination revealed a pT1 high-grade urothelial carcinoma. Subsequently, he underwent radical cystoprostatectomy, which showed urothelial carcinoma with lack of cohesion, plasmacytoid variant, positive for citokeratin 7 (CK7), citokeratin 20 (CK20) and trans-acting T-cell-specific transcription factor (GATA-3), and negative for E-cadherin and CD138. It is important to recognize the plasmacytoid variant of the invasive urothelial carcinoma, since it avoids a potential misdiagnosis of metastatic cancer.
RESUMO
RESUMO Carcinoma urotelial invasor da bexiga, variante plasmocitoide, é uma entidade rara, com poucos casos descritos na literatura. Relatamos o caso de um homem, 79 anos, submetido à resseção transvesical de tumor da bexiga, cuja histologia revelou carcinoma urotelial de alto grau pT1. Posteriormente, foi submetido à cistoprostatectomia radical, que mostrou carcinoma urotelial invasor, descoeso, de tipo plasmacitoide, positivo para citoqueratina 7 (CK7), citoqueratina 20 (CK20) e fator de transcrição de ação"trans" específico de células T (GATA-3) e negativo para E-caderina e CD138. É importante reconhecer a variante plasmocitoide do carcinoma urotelial invasor, uma vez que se evita potencial diagnóstico errado de doença metastática.
Full text:
Available
Index:
LILACS (Americas)
Language:
English
Journal:
J. bras. patol. med. lab
Journal subject:
Pathology
Year:
2016
Type:
Article
Affiliation country:
Portugal
Institution/Affiliation country:
Centro Hospitalar e Universitário de Coimbra/PT
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