Abstract
A 67-year-old woman with no history of a laparotomy visited our outpatient clinic complaining of abdominal pain and nausea and was diagnosed as having an intestinal obstruction. The abdominal pain worsened after admission, and peritoneal rigidity signs appeared in the right lower quadrant. An abdominal computed tomography (CT) examination demonstrated a whirl-like sign in the mesentery, and the patient was diagnosed as having a primary volvulus of the small intestine; an emergency operation was performed. Abdominal CT provides useful information and may be essential for an early diagnosis of this disease.
