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MALIGNANT MELANOMAS ARISING IN MOLES

MALIGNANT MELANOMAS ARISING IN MOLES The term "melanoma" is given to any abnormal collection of melanin-pigmented cells whether in the skin, in the eye or elsewhere. Malignant melanomas embrace tumors of widely diversified histologic structure. Malignant melanomas may occur in many situations; the skin, the mucous membrane and the eyes are the most common sites. Rarely the meninges, ovary, epididymis and gallbladder may be involved. As a rule, malignant melanomas arising on the skin originate in pigmented moles or nevi, although there are many authentic cases on record in which melanomas have started at the sites of puncture wounds and in the absence of any apparent congenital abnormality. Rare origins of malignant melanomas are the blue nevus of Jadassohn and the Mongolian spot. The Mongolian spot is a bluish lesion found in the sacral region. These lesions contain melanin and are devoid of nevus cells. When malignancy develops it is of a sarcomatous nature. Another http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png JAMA American Medical Association

MALIGNANT MELANOMAS ARISING IN MOLES

JAMA , Volume 102 (10) – Mar 10, 1934

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References (4)

Publisher
American Medical Association
Copyright
Copyright © 1934 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.
ISSN
0098-7484
eISSN
1538-3598
DOI
10.1001/jama.1934.02750100005002
Publisher site
See Article on Publisher Site

Abstract

The term "melanoma" is given to any abnormal collection of melanin-pigmented cells whether in the skin, in the eye or elsewhere. Malignant melanomas embrace tumors of widely diversified histologic structure. Malignant melanomas may occur in many situations; the skin, the mucous membrane and the eyes are the most common sites. Rarely the meninges, ovary, epididymis and gallbladder may be involved. As a rule, malignant melanomas arising on the skin originate in pigmented moles or nevi, although there are many authentic cases on record in which melanomas have started at the sites of puncture wounds and in the absence of any apparent congenital abnormality. Rare origins of malignant melanomas are the blue nevus of Jadassohn and the Mongolian spot. The Mongolian spot is a bluish lesion found in the sacral region. These lesions contain melanin and are devoid of nevus cells. When malignancy develops it is of a sarcomatous nature. Another

Journal

JAMAAmerican Medical Association

Published: Mar 10, 1934

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