Source:http://linkedlifedata.com/resource/umls/id/C0018944
MSH: A collection of blood outside the BLOOD VESSELS. Hematoma can be localized in an organ, space, or tissue.,NCI: A localized collection of blood, usually clotted, in an organ, space, or tissue, due to a break in the wall of a blood vessel.,NCI: A localized collection of blood, usually clotted, in an organ, space, or tissue, due to a break in the wall of a blood vessel.,NCI: A disorder characterized by a localized collection of blood, usually clotted, in an organ, space, or tissue, due to a break in the wall of a blood vessel.,NCI: A pool of clotted or partially clotted blood in an organ, tissue, or body space, usually caused by a broken blood vessel.