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Case Reports in Oncological Medicine
Volume 2015 (2015), Article ID 127516, 6 pages
http://dx.doi.org/10.1155/2015/127516
Case Report

Metastasis of Gastric Signet-Ring Cell Carcinoma to the Urinary Bladder: A Case Report and Review of the Literature

1Department of Medical Oncology, Acibadem University School of Medicine, Buyukdere Cad, No. 40, Sariyer, 34453 Istanbul, Turkey
2Department of Medical Oncology, Yeditepe University School of Medicine, Devlet Yolu, Ankara Caddesi, No. 102-104, Kozyatagi, 34652 Istanbul, Turkey

Received 3 March 2015; Accepted 26 July 2015

Academic Editor: Jose I. Mayordomo

Copyright © 2015 Kerem Okutur et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Although signet-ring cell (SRC) adenocarcinoma is commonly seen in the stomach, it is a very rarely seen histologic entity in the bladder. It is difficult to distinguish primary SRC adenocarcinoma of the bladder from bladder metastasis of SRC carcinoma of the stomach only based on histological findings. In such cases, clinical findings and immunohistochemical studies may be helpful. We present here a 48-year-old male patient presenting with hematuria and abdominal pain. Computerised tomography of the patient revealed a gastric mass, peritoneal involvement, and thickening of the bladder wall, and histopathological analysis revealed SRC adenocarcinoma in both of the endoscopic biopsies taken from the stomach and bladder. Immunohistochemical analyses confirmed the diagnosis of SRC adenocarcinoma of the bladder secondary to gastric cancer.