Incomplete depigmentation of a congenital nevocellular nevus has been reported previously.1,2 We report herein the complete resolution of a fairly large nevus with depigmentation, followed by partial repigmentation.
Report of a Case
A 2-year-old boy was first seen in August 1979 with a history of a nevus of the extensor surface of the right arm present since birth. He had no family history of vitiligo, halo nevi, congenital nevi, or malignant melanoma. On examination, the lesion was a 5.5 × 1.8-cm, raised, brown, scaly, nonhairy nevus (Fig 1). Surgical removal of the lesion was planned for about three years later. Seven months after the initial examination, however, the nevus was smaller, measuring 4.7 × 1.7 cm with a faint marginal depigmentation (Fig 2). There had been no pruritus and there was no erythema present at that time. Marked, progressive depigmentation of the lesion was noted when the patient's age
Kikuchi I, Inous S, Ogata K, Idemori M. Disappearance of a Nevocellular Nevus With Depigmentation. Arch Dermatol. 1984;120(5):678–679. doi:10.1001/archderm.1984.01650410122028
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