title: Diagnosis and treatment of a bleeding diathesis causing hematoma of sigmoid.
mesh_terms: D012809:Colon, Sigmoid; D003937:Diagnosis, Differential; D005170:Factor X; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D006406:Hematoma / Q000209:etiology*; D002836:Hemophilia B / Q000150:complications / Q000175:diagnosis*; D006801:Humans; D007020:Hypoprothrombinemias / Q000175:diagnosis
chemical_list: D005170:Factor X