Abstract
We report a case of mucinous cystadenoma of the appendix with intussusception. A 46-year-old woman came to our hospital because of abdominal pain and diarrhea. Ultrasonography revealed a target sign and multidetector computed tomography showed a multiconcentric ring sign in the transverse colon, and a diagnosis of intussusception induced by a cystic mass was made. A gastrografin enema showed a crab-claw-like area with-out filling in the proximal transverse colon. After reduction of the intussusception by means of a gastrografinenema, a hemispheric protrusion persisted, and no gastrografin entered into the ileum. Iliocecal resection was performed. The appendix was swollen to 7.5×3cm in size, and proximal end of the appendix had invaginated into the cecum. The pathological diagnosis was mucinous cystadenoma of the appendix. Coronal reconstruction CT was helpful in making the diagnosis of intussusception.
