Urachal Signet-ring Cell Carcinoma, A Rare Variant of Vesical Adenocarcinoma: Incidence And Pathologicalcriteria

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Abstract
Of 715 cases of vesical tumors reviewed 18 adenocarcinomas were selected for further study, 5 of which fulfilled all criteria of urachal origin. Herein is reported 1 rare case of such a carcinoma of the signet-ring cell type and the morphological criteria of this variant are discussed briefly. After undergoing radical cystectomy and ureterosigmoidostomy the patient has been free of recurrent tumor or metastasis for 6 years.