Halo nevus is also known as Sutton nevus or perinevoid vitiligo. Halo nevi are benign melanocytic nevi surrounded by a peripheral rim of depigmentation. The depigmented ring is believed to be due to a secondary localized immune response to regional melanocytes.
Clinically, halo nevi are characterized by a circular area of depigmented skin surrounding a central nevus of hyperpigmented skin. They are most often seen in teenagers. The pigmented nevus may eventually involute completely, leaving only the patch of depigmentation.
Halo nevus in Adult
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Synopsis
Codes
ICD10CM:
D22.9 – Melanocytic nevi, unspecified
SNOMEDCT:
398028009 – Halo nevus
D22.9 – Melanocytic nevi, unspecified
SNOMEDCT:
398028009 – Halo nevus
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Last Updated:01/17/2022
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Halo nevus in Adult