The pathology and surgical treatment of tumors . 568 PATHOLOGY AND TREATMENT OF TUMORS. cells, or these two kinds of cells may be present in varying proportionsin the same tumor (Figs 407, 408). The most frequent form of sarcoma of the skin is the melano-sar-coma. This tumor originates either in a pigmented nevus, a wart, orthe bed of a finger-nail. In either locality the tumor is so near thesurface of the skin that ulceration is an early occurrence (Fig. 409).A melano-sarcoma seldom attains great size, because, as a rule, thetumor at an early stage reaches the surface of the skin and ulcerate
The pathology and surgical treatment of tumors . 568 PATHOLOGY AND TREATMENT OF TUMORS. cells, or these two kinds of cells may be present in varying proportionsin the same tumor (Figs 407, 408). The most frequent form of sarcoma of the skin is the melano-sar-coma. This tumor originates either in a pigmented nevus, a wart, orthe bed of a finger-nail. In either locality the tumor is so near thesurface of the skin that ulceration is an early occurrence (Fig. 409).A melano-sarcoma seldom attains great size, because, as a rule, thetumor at an early stage reaches the surface of the skin and ulcerates. Much of the pigment produced in melanotic tumors is ehminatedthrough the urine. It not infrequently happens that the secondary. J^, ^ *» ^^
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectneoplas, bookyear1895
