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Melanocarcinoma. Presented by Dr. Boreen.
R. G., aged 20, a University student, was presented at the April meeting with a lesion on the upper part of the left arm. A dark pigmented area had enlarged in size over a period of ten months, until at the time of presentation there was infiltration extending 2½ cm., with some ulceration in the center. There was not any evidence of metastasis in the long bones.The lesion was excised down to the muscle by wide incision. Since then twelve deep roentgen-ray treatments have been administered. Evidences of metastasis are not seen at present, six months after the operation.The pathologic report was very malignant melanocarcinoma.
Dr. Sweitzer: I think the prognosis is unfavorable and consider that several years must elapse before the patient can be considered cured.Dr. Montgomery (by invitation): Melanomas or melano-epitheliomas vary a great deal in their relative malignancy.
O'Leary P. MINNESOTA DERMATOLOGICAL SOCIETY. Arch Derm Syphilol. 1927;15(3):353–361. doi:10.1001/archderm.1927.02370270114010
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