. Atlas of clinical surgery; with special reference to diagnosis and treatment for practitioners and students. r pedunculated tumordevelops, which is characterized by black, bluish-black or brownish-yellow coloration (Fig. 23). Theskin soon becomes ulcerated, and by the breakingdown of the tumor a deep ragged ulcer is are characterized by the hardnessof the base of the tumor, thus differing from the soft,easily bleeding melanosarcomas which rapidly dis-integrate into a brownish-black watery mass, andform the soft, bleeding angiosarcomas. Melanocarcinoma of the skin no
. Atlas of clinical surgery; with special reference to diagnosis and treatment for practitioners and students. r pedunculated tumordevelops, which is characterized by black, bluish-black or brownish-yellow coloration (Fig. 23). Theskin soon becomes ulcerated, and by the breakingdown of the tumor a deep ragged ulcer is are characterized by the hardnessof the base of the tumor, thus differing from the soft,easily bleeding melanosarcomas which rapidly dis-integrate into a brownish-black watery mass, andform the soft, bleeding angiosarcomas. Melanocarcinoma of the skin not only growsdeeply towards the fascia, but also forms early dis-seminations in the skin, in the form of small blacknodules in the neighborhood of the mother tumor,which form a large growth by confluence. The great malignity of these tumors is shown bythe early appearance of metastases in the regionallymphatic glands, which generally form larger tumorsthan the primary one; also by the early infection ofthe lungs, liver, heart, brain, and other organs bymetastatic deposits. 33 Bockenheimer, Atlas. Tab. Fig. 23. Melanocarcinoina cutis ex verruca. Rebman Company, New-York. Owing to the rapid development of these metas-tases pigmentation is usually absent in them. Melanocarcinomas may be seen in children asmultiple growths in the skin in connection withxeroderma pigmentosum. The rapid growth andfrequent hemorrhages lead to severe anaemia. Treatment. Small tumors of the skin can bewidely removed with the fascia. In the extremitiesthe best and most radical method is amputation andremoval of the regional glands. In spite of earlyand extensive operation recurrence is very frequent,and in v. Bergmanns clinic only one case is knownto be free from recurrence after a year. It is, there-fore, urgent to take prophylactic measures by excis-ing all pigmentary nsevi,especially in advanced age,and all warts which become continually irritated orinflamed. The gap left by removal of extensive
Size: 1219px × 2050px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., book, bookcentury1900, bookdecade1900, bookpublishernewyorkrebman
