A manual of modern surgery : an exposition of the accepted doctrines and approved operative procedures of the present time, for the use of students and practitioners . 96 TUMORS. Cartilaginous tumors are usually multiple, otherwise they are single smooth, hard and elastic, and often lobulated masses; of slow devel-opment, usually surrounded by Fig. Lipoma from the shoulder region,small fat cells. X 300. (Zieglee.) with relatively a capsule, and , however, theyare much softer than usual,grow rapidly, have no capsule,recur after removal, infect dis-tant tissues by
A manual of modern surgery : an exposition of the accepted doctrines and approved operative procedures of the present time, for the use of students and practitioners . 96 TUMORS. Cartilaginous tumors are usually multiple, otherwise they are single smooth, hard and elastic, and often lobulated masses; of slow devel-opment, usually surrounded by Fig. Lipoma from the shoulder region,small fat cells. X 300. (Zieglee.) with relatively a capsule, and , however, theyare much softer than usual,grow rapidly, have no capsule,recur after removal, infect dis-tant tissues by cell transfer-ence, and present decidedly ma-lignant characteristics. Thesetumors usually show, espe-cially at their circumference,sarcomatous structure infiltrat-ing adjacent tissues; hencethey are not to be consideredtrue chondromas. There is a form of tumorcalled osteo-chondroma, whichconsists of bone associated withcartilage and originates under the periosteum near the articular ex-tremities of the long bones. It may become transformed into trueosseous tissue. Chondromas, or enchondromas, as they are also called, are in struc-ture almost identical with the varieties of cartilage, and yet they rarelyoriginate from exhibit cells withnuclear aud granular con-tents enclosed in a matrixwThich varies from a hy-aline to a fibrous or
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