血友病A患者に認められた直腸壁内血腫の1例

抄録

A 26-year-old man with hemophilia A was admitted to the hospital complaining of persistent lower abdominal pain. Ultrasound showed a cystic fluid collection around the rectum. Abdominal CT and MRI revealed a heterogenous mass around the rectum extending to lower sigmoidal colon. Gastrografin enema showed stenosis due to extrinsic mass of the rectum. Colonoscopy showed a disturbance of extension as well as intramural hematoma. Abdominal symptomes were resolved after administration of cryoprecipitate under the diagnosis of intramural rectal hematoma.