Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association)
Online ISSN : 1882-5133
Print ISSN : 1345-2843
ISSN-L : 1345-2843
Case Reports
Two Patients with Tubulovillous Tumor of the Rectum with Electrolyte Depletion Syndrome who Presented with Consciousness Disturbance
Konosuke YOGOKiyoshi HIRAMATSUTakeshi AMEMIYAHidenari GOTOTakashi SEKIToshiyuki ARAI
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2017 Volume 78 Issue 2 Pages 347-353

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Abstract

We report the cases of two patients with electrolyte depletion syndrome caused by tubulovillous adenoma of the rectum that had transformed to T3 cancer. The patients were a 62-year-old man and a 79-year-old man, both of whom presented with severe diarrhea and consciousness disturbance. Blood examinations showed severe hypokalemia and evidence of acute kidney injury. Colonoscopy performed to investigate the cause of the diarrhea showed a tubulovillous tumor of the lower rectum with malignant transformation in both patients. In both patients, radical resection, namely, abdominoperineal resection with lymph node dissection was performed, and the persistent diarrhea and electrolyte imbalance improved promptly after the surgery. Histopathological examination showed villous adenoma of the rectum that had transformed to T3 cancer in both cases.

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© 2017 Japan Surgical Association
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