title: Diffuse hemolymphangioma of the rectum: a report of a rare case.
abstract: Intestinal hemolymphangioma is a rare vascular and lymphatic malformation and is manifested as anaemia and recurrent alimentary tract hemorrhage. Few cases of hemolymphangioma occurring in small intestine, spleen, esophagus and other organs have been reported. We herein report a case of a 37-year-old man with severe rectal bleeding. Digital examination revealed nodular mucosa. No rectal mass was palpated, but bleeding in the ampulla was detected. Colonoscopy revealed an extensive hypervascular submucosal lesion arising from the rectosigmoid junction colon to the distal edge of the anus. Endoscopic ultrasonography demonstrated an extensive anechoic mass with clear edge. Magnetic resonance imaging (MRI) showed a significant thickness of the rectal wall, extending to the distal edge of the anus, with a narrowing lumen. A sphincter-saving rectal surgery was performed. Due to a lack of knowledge of the clinical, endoscopic and radiological features, preoperative recognition of hemolymphangioma is not easy. Computed tomography and MRI are helpful in confirming the diagnosis, and defining the extent and invasion of the lesion. For the low malignant potential tumors, a sphincter-saving rectal surgery is recommended after a full evaluation of the tumor.
authors.affiliation: Department of General Surgery, General Hospital of PLA Beijing Military Command, Beijing 100700, China.
authors.forename: Gang
authors.initials: G
authors.lastname: Chen
authors.forename: Wei
authors.initials: W
authors.lastname: Cui
authors.forename: Xi-Qing
authors.initials: XQ
authors.lastname: Ji
authors.forename: Jun-Feng
authors.initials: JF
authors.lastname: Du
mesh_terms: D000328:Adult; D001706:Biopsy; D003113:Colonoscopy; D051517:Digital Rectal Examination; D019160:Endosonography; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D006801:Humans; D008202:Lymphangioma / Q000150:complications / Q000175:diagnosis / Q000601:surgery; D008279:Magnetic Resonance Imaging; D008297:Male; D011237:Predictive Value of Tests; D012004:Rectal Neoplasms / Q000150:complications / Q000175:diagnosis / Q000601:surgery; D016896:Treatment Outcome
keywords: Hemolymphangioma; Rectal bleeding; Rectum
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