Colonic Intramural Hematoma

Colonic intramural hematoma is a rare condition and its endoscopic and radiological findings remain poorly described. An 82-year-old woman was hospitalized with a diagnosis of acute cerebral infarction. She immediately received anticoagulant therapy with argatroban for 1 week. With the appearance 4 days later of hematochezia, she was found to have severe anemia. Following insertion of the colonoscope, a large submucosal hematoma was shown to be present in the descending colon, with the mucosa shown to be necrotic and the residual mucosa around the hematoma shown to be yellowish. Computed tomography revealed a hyperdense mass in the descending colon. Laparoscopic colectomy was performed for the lesion diagnosed as intramural hematoma. Pathologically, it was a hematoma located in the subserosal layer involving full-thickness hemorrhage. To our knowledge, this report represents a valuable addition to the literature describing a case of colonic intramural hematoma whose diagnosis was effectively established by the combined use of CS and CT.

Abstract licence: CC BY-NC

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