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Warty gastric cancer with polypoid metastases to the gallbladder and urinary bladder

Authors Matsuyama M, Kato K, Goto S, Moritani S, Sentani K, Kuroda M

Received 11 July 2013

Accepted for publication 9 August 2013

Published 9 September 2013 Volume 2013:3 Pages 35—37

DOI https://doi.org/10.2147/GICTT.S51392

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3


Mutsushi Matsuyama,1,2 Kazuo Kato,3 Seiichi Goto,4 Suzuko Moritani,5 Kazuhiro Sentani,6 Makoto Kuroda7

1Clinical Laboratory, Hekinan Municipal Hospital, Hekinan, Aichi, 2Department of Cell Biology and Anatomy, Fujita Health University School of Medicine, Toyoake, Aichi, 3Clinical Laboratory, Rousai Hospital, Nagoya, Aichi, 4Department of Internal Medicine, Hekinan Municipal Hospital, Hekinan, Aichi, 5Department of Advanced Diagnosis, Division of Pathology, National Hospital Organization, Nagoya Medical Center, Nagoya, Aichi, 6Department of Molecular Pathology, Hiroshima University Graduate School of Biomedical Sciences, Hiroshima, 7Department of Diagnostic Pathology, Fujita Health University School of Medicine, Toyoake, Aichi, Japan

Abstract: An 80-year-old man had severe lumbago that was diagnosed as multiple myeloma. He was treated with melphalan, prednisone, and zoledronic acid, with a good response. However, he had severe anemia, and endoscopic examination revealed gastric cancer. He died 3 months later. Autopsy revealed verrucous gastric cancer consisting of numerous polypoid mucosal excrescences that had metastasized to the gallbladder and urinary bladder, showing similar polypoid mucosal lesions. The cancer consisted of poorly differentiated cells (about 85%) and signet ring cells (15%) in the stomach. The cancerous tissue was not associated with a desmoplastic reaction, and the signet ring cells showed a positive reaction to cytokeratin 7 and regenerating islet-derived family member 4 antibodies. The cancer cells had a propensity to proliferate on the mucosal surface of the stomach, gallbladder, and urinary bladder.

Keywords: warty gastric cancer, polypoid metastases, signet ring cells, cytokeratin 7, regenerating islet-derived family member 4

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