Alpana Mohta
Congenital melanocytic nevi with a diameter of at least 10 cm or covering 1% body surface area on the face/head/neck or 2% on rest of the body at any age, and by an extetension those least 6 cm on the trunk and 9 cm on the head in a neonate are known as giant congenital melanocytic nevus (GMNC). Although, a rare entity they may pose possible risk of malignancy and neurocutaneous melanosis, apart from cosmetic concerns. The psychosocial distress posed by them has also been studied extensively by many authors. On histopathological analysis epitheloid lymphocytoid and neuroid nevus cells can be visualized. Owing to such myrid presentations the management option for GCMN has to be tailored to every patient. There is a common consensus that prophylactic removal of a GCMN has little to no advantage. The partial debulking of a GCMN can be done by mechanical or chemical exfoliation, currete, shave excision or laser therapy. However, in view of potential risk of malignancy total or subtotal deep excision followed by plastic reconstruction must be considered, especially in cases involving the head and neck area.
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