Halo nevus

Halo Nevus is a type of melanocytic nevus that is surrounded by a ring or 'halo' of depigmented skin. It is also known as Sutton's Nevus or Leukoderma Acquisitum Centrifugum.

Overview

A Halo Nevus is a benign skin lesion that typically appears in childhood or adolescence. It is characterized by a central mole (nevus) that is surrounded by a ring of skin that has lost its pigment (depigmented). The central mole may eventually disappear, leaving only the depigmented ring. The exact cause of Halo Nevus is unknown, but it is believed to be an immune response against the nevus cells.

Symptoms

The primary symptom of a Halo Nevus is the appearance of a mole surrounded by a ring of depigmented skin. The mole may be any color, but is often brown or black. The depigmented ring may be white or pink. The mole and ring may change in size and color over time. In some cases, the mole may disappear completely.

Diagnosis

A Halo Nevus is typically diagnosed by visual examination. A dermatologist may use a tool called a dermatoscope to examine the lesion more closely. In some cases, a biopsy may be performed to rule out melanoma.

Treatment

No treatment is typically necessary for a Halo Nevus, as it is a benign condition. However, regular monitoring is recommended to detect any changes that may suggest melanoma. If the appearance of the Halo Nevus causes cosmetic concern, treatment options may include laser therapy or topical creams to restore pigment to the depigmented ring.

See Also

• Melanocytic nevus
• Melanoma
• Dermatoscope
• Biopsy
• Laser therapy

Halo nevus Resources
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