Source:http://linkedlifedata.com/resource/umls/id/C0008487
MSH: A malignant tumor arising from the embryonic remains of the notochord. It is also called chordocarcinoma, chordoepithelioma, and notochordoma. (Dorland, 27th ed),CSP: malignant tumor arising from the embryonic remains of the notochord; also called chordocarcinoma, chordoepithelioma, and notochordoma.,NCI: A type of bone cancer that usually starts in the lower spinal column or at the base of the skull.,NCI: A malignant bone neoplasm arising from the remnants of the fetal notochord.,NCI: A malignant bone tumor arising from the remnants of the fetal notochord. Although it can occur at all ages, it is more frequently seen in middle-aged adults. Most frequent sites of involvement are: sacrococcygeal area, spheno-occipital area, and the cervico-thoraco-lumbar spine. Microscopically, chordomas are composed of cells that form cords and lobules, separated by mucoid intercellular tissue. Some of the cells are large (physaliphorous) and have vacuolated cytoplasm and prominent vesicular nuclei. Other tumor cells are