sarcomas,clear cell 《英文msh词典》Sarcomas,Clear Cell ; [入口词] Sarcomas,Clear Cell ; [主题词] Sarcoma,Clear Cell ; [英文释义] A sarcoma of young,often female,adults of the lower extremities and acral regions,intimately bound to tendons as circumscribed but unencapsulated melanin-bearing tumors of neuroectodermal origin. An ultrastructural finding simulates flattened and curved barrel staves,corresponding to the internal structures of premelanosomes. There is a 45-60% mortality in clear cell sarcoma. (Segen,Dictionary of Modern Medicine,1992)
sarcomas,endometrial stromal 《英文msh词典》Sarcomas,Endometrial Stromal ; [入口词] Sarcomas,Endometrial Stromal ; [主题词] Sarcoma,Endometrial Stromal ; [英文释义] A highly malignant subset of neoplasms arising from the endometrial stroma. Tumors in this group infiltrate the stroma with a wide range of atypia cells and numerous mitoses. They are capable of widespread metastases (NEOPLASM METASTASIS).
sarcomas,epithelioid 《英文msh词典》Sarcomas,Epithelioid ; [入口词] Sarcomas,Epithelioid ; [主题词] Sarcoma ; [英文释义] A connective tissue neoplasm formed by proliferation of mesodermal cells; it is usually highly malignant.