A Case of an Ileal Inflammatory Fibroid Polyp Causing Intestinal Intussusception

Yukako Nemoto, Mikiko Kaneko, Jun Fujisaki, Yoshihisa Saida, Kei Takahashi, Iruru Maetani


Inflammatory fibroid polyp (IFP) usually appears as a solitary benign lesion, rarely located in the ileum. The clinical presentation varies according to its location, frequently they are mistaken as gastrointestinal (GI) neoplasia. Intussusception and obstruction are the most frequent initial symptoms when the polyp is located in the small intestine. A thirty nine years old man presented with upper abdominal pain. Though he prescribed anti biotic medicine, his intermittent pain continued. He presented to hospital two days later, and abdominal ultrasound (US) detected intestinal intussusception. Abdominal computed tomography (CT) and oral ileal barium study also revealed ileal mass. So he had partial ilectomy on the seventh hospital day. Pathology showed it IFP in small intestine. Intussusception secondary to IFPs of the small intestine is difficult to diagnose without recognition of its clinical and pathological characteristics. Abdominal US is useful in confirming an anatomical abnormality, histological examination establishes the final diagnosis of IFPs. Abdominal US detected an intussusception with a mass lesion at its lead point.


Inflammatory fibroid polyp; Intussusception; Ileal; Abdominal ultrasound; Computed tomography

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