Akira Hokama

An 82-year-old woman presented with painless hematochezia. Colonoscopy revealed a submucosal tumor-like mass in the cecum. The appendiceal orifice was identified in the center of the prominence, showing the volcano sign. The yellowish mucus…

Isolated fallopian tube torsion (IFTT) is a rare cause of surgical emergency and is difficult to diagnose. We present a case of IFTT in a 14-year-old girl who presented with an acute abdomen. Based on the clinical and computed tomographic f…

A case of endometnosis of the sigmoid colon in a 25-year-old woman is reported herein. She had had occasional episodes of lower abdominal colicky pain a few days prior to her menstruation for the past seven years. Barium enema studies revea…