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Congenital melanocytic nevus
- ... NRAS gene have been found to cause giant congenital melanocytic nevus. This condition is characterized by a large, noncancerous ... patch of darkly pigmented skin characteristic of giant congenital melanocytic nevus. Uncontrolled cell growth of melanocytes after birth contributes ...
- ... gene has also been found to cause giant congenital melanocytic nevus. This condition is characterized by a large, noncancerous ... cell cancer called melanoma (described below). In giant congenital melanocytic nevus, a somatic V600E mutation occurs during embryonic development ...