Sarcoma

{sar - ko’- mah) [cap!;, flesh; bfia, tumor]. A tumor made up of embryonal connective ti ue. It is characterized by a great preponderance of cells and very little homogeneous or fibrillar intercellular substance. S., Alveolar, one in which groups of sarcoma-cells are contained in alveolar spaces. S., An gio lithic. Synonym of Psammoma. Chondrosarcoma, one containing cartilaginous ti ue. S., Giant-celled, one containing giant-cells as a prominent feature. Lymphosarcoma, a round -celled sarcoma in which the cells are held in a reticulum. S., Melanotic, a sarcoma, usually spindle celled, in which the cells contain melanin. S., Myeloid. See S., Giant-celled. Myxo sarcoma, one which in part has undergone myxomatous degeneration. S., Round celled, one made up of round cells. There are two varieties, the small round-celled and the large round-celled sarcoma. S., Spindle celled, one made up of spindle-cells. It is also known as recurrent fibroid. 566