Abstract
A 42 year-old woman visited our hospital with severe abdominal pain at night. The patient had severe abdominal pain, rebound tenderness and a slight muscular defense. A slight swollen appendix was detected on an abdominal CT scan, but ascites was not detected. Laboratory tests showed an elevated white blood cell count (46,600/mm3). The patient was hospitalized as pelvic peritonitis. A morning of the next day, the patient was diagnosed appendicitis because abdominal pain was limited in right lower abdomen. So an appendectomy was performed. The resected appendix was red and swollen slightly, but not perforation. There was ascites like a pus in the abdominal cavity. Postoperative progress was good. The patient was diagnosed as having colitis caused by amoebasis after the operation and was treated with metronidazole from the 10th day after the operation. We report a rare case of amoebic colitis presenting as acute appendicitis at the HIV-antibody negative woman who has not been abroad.
