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KMID : 0363220110490121102
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Korean Journal of Dermatology
2011 Volume.49 No. 12 p.1102 ~ p.1106
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A Case of Malignant Melanoma Arising from Giant Congenital Melanocytic Nevus in a 4-year-old Girl
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Jun Jae-Hun
Jung Han-Jin
Lee Seok-Jong
Lee Weon-Ju
Kim Do-Won
Park Jin-Young
Kim Myung-Hwa
Park Byung-Cheol
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Abstract
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Melanoma may arise from a very giant congenital melanocytic nevus even in the first several years of life. Therefore, excision of a giant congenital melanocytic nevus should be considered as early as possible. However considering surgical and anesthetic risks, the surgery can wait until after the first 6 months of life. Unfortunately, surgical treatment does not completely prevent occurrence of melanoma from a giant congenital melanocytic nevus. Besides, several cases of melanoma occurring after blunt trauma or laser therapy have been reported. We report a case of malignant melanoma associated with a giant congenital melanocytic nevus in a 4-year-old female. The malignant melanoma occurred at the boundaries of the previous surgical excision and laser therapy sites for a giant congenital melanocytic nevus. This is the youngest case of malignant melanoma developed from a congenital melanocytic nevus in the Korean dermatological literature.
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KEYWORD
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Giant congenital melanocytic nevus, Laser, Malignant melanoma, Surgery, Trauma
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