Halo Nevus - Causes, Picture, Treatment and Symptoms of Halo Nevus

The halo nevus is a melanocytic nevus that develops a surrounding circle of depigmentation, with the eventual disappearance of that central nevus.

Halo nevi often undergo spontaneous involution, of ten with regression of the centrally located pigmented nevus. If clinical findings atypical: the nevus has variegation of color and/or irregular border, confirm histologically. Halo Nevus are not dangerous or contagious, but they are sometimes a sign that something is wrong with the skin.

Causes of Halo Nevus

Halo nevi can be multiple. A halo nevus occurs when the immune cells (which normally fight off infection) attack a mole for reasons unknown. Halo nevi may occur in patients with malignant melanoma. Not uncommon in childhood, the presence of a halo around a pigmented lesion in a patient over age 30 should raise the possibility of a malignant melanoma with a halo.

Treatment to cure or remove Halo Nevus

Removing the nevus does not cause the halo portion to get darker. For this reason, removal can cause a noticeable scar in an area of lighter skin color. While atypical moles are considered to be pre-cancerous (more likely to turn into melanoma than regular moles), so their treatment is very necesary on time. They should be removed. If you have a halo nevus and you have another mole that is changing, you need to be evaluated by your doctor immediately.

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