Abstract
The congenital melanocytic nevi which are formed by the overgrowth of melanocytes occur in about 1% of the newborns. Giant Congenital Melanocytic Nevi (GCMN) which are of sizes larger than 20 cm diameter are rare and they occur in 1/500,000 newborns. Primary diagnosis of congenital giant nevus is clinical. Here, we report a case of full-term infant born with extensive black patch having smooth surfaces, irregular margins, and covering 45% of the skin surface.
Highlights
Giant Congenital Melanocytic Nevi (GCMN) are rare, disfiguring lesions present at birth associated with complications of malignant melanoma and neurocutaneous melanosis
Giant Congenital Melanocytic Nevi (GCMN) which are of sizes larger than 20 cm diameter are rare and they occur in 1/500,000 newborns
Congenital melanocytic nevi are brown to black moles which are commonly found over the back and the thigh areas [1]
Summary
GCMN are rare, disfiguring lesions present at birth associated with complications of malignant melanoma and neurocutaneous melanosis. Giant Congenital Melanocytic Nevi (GCMN) which are of sizes larger than 20 cm diameter are rare and they occur in 1/500,000 newborns. We report a case of full-term infant born with extensive black patch having smooth surfaces, irregular margins, and covering 45% of the skin surface.
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