title: Extensive infantile retroperitoneal haemangioma causing severe retroperitoneal and gastrointestinal bleeding associated with haemangioma of the thigh. A syndrome?
mesh_terms: D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006392:Hemangioma, Cavernous / Q000150:complications*; D006470:Hemorrhage / Q000209:etiology*; D006801:Humans; D007223:Infant; D008297:Male; D012186:Retroperitoneal Neoplasms / Q000150:complications*; D012187:Retroperitoneal Space; D012878:Skin Neoplasms / Q000150:complications*; D013848:Thigh