The principles of surgery . ubt in consequence of the independent secretive power Avhichthe cysts possess, and which may at any time take on a perverted anddepraved character. Hence, there can be little doubt as to the proprietyof early removal by operation. The following tumors will be better described in connection with theparticular tissues and parts where they occur : 5. The Cartilaginous Tumor.—Cartilaginous formation, Enchon-droma of Miiller, occurs more frequently in bone than in the soft tex-tures. The nature and tendency are simple ; yet degeneration is possible,while discussion is im
The principles of surgery . ubt in consequence of the independent secretive power Avhichthe cysts possess, and which may at any time take on a perverted anddepraved character. Hence, there can be little doubt as to the proprietyof early removal by operation. The following tumors will be better described in connection with theparticular tissues and parts where they occur : 5. The Cartilaginous Tumor.—Cartilaginous formation, Enchon-droma of Miiller, occurs more frequently in bone than in the soft tex-tures. The nature and tendency are simple ; yet degeneration is possible,while discussion is impossible; and therefore early extirpation is ex-pedient. 6. The Calcareous Tumor, also comparatively rare, is most fre-quently found in the face and neck—especially in the former situation,in the vicinity of the parotid gland. In most cases, the stroma of theearthy deposit would seem to be the hypertrophied texture of a lymph-atic gland. The tumor is superficial, loose, painless, hard, of slow Fig. 67. Fig. 68. Fig. Fig. 67. Thin section of the circumference of an enchondroma from the pelvis. Fig. 68. Corpusclesfrom the softened part of the same tumor. Fig. 69. The same after the addition of acetic acid.—Bennett. growth and small size; its surface is generally unequal. It has no ten-dency to degenerate; being in fact but a mass of unorganized , however, is hopeless; and removal may become expedienton account of the inconveniences attending its position. From thecircumscribed form, small size, and lightness of adhesion, the dissectionis easy; little more than simple incision is required. Calcareous formations are found in the ovary, in the testicle, in thelung, and wherever in the body exudation takes place of a kind whichcannot be all reabsorbed. We have already seen that in fibrous tumors 278 OSSEOUS AND TUBERCULAR TUMORS. Fig. 70. calcareous deposit often takes place, in their advanced stages, in themidst of the fibrous tissue which it gradually su
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