eMedicine Specialties > Dermatology > Benign Neoplasms
Halo Nevus: Treatment & Medication
Updated: May 28, 2009
- Overview
- Differential Diagnoses & Workup
- Treatment & Medication
- Follow-up
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Treatment
Medical Care
Halo nevi are benign, and no treatment is necessary.
Consultations
The chief diagnostic consideration in patients with halo nevi is melanoma that is undergoing regression, although making this distinction is not usually difficult. Primary melanoma is usually solitary, whereas halo nevi are commonly multiple. Furthermore, children are affected more commonly with halo nevi; adults are affected far more commonly by melanoma.9
Melanomas with surrounding white or hypopigmented zones usually have been present for an extended period of time, and the white areas represent zones of regression. Thus, the "halo" of a regressing melanoma is irregular in shape and variable in radial width, as opposed to the evenly distributed, circular zone of hypopigmentation in true halo nevi, which is distributed around the central nevus. Furthermore, melanomas usually exhibit the characteristic clinical signs of breadth, asymmetry, poor circumscription, and color irregularity with black foci that usually allow the diagnosis to be rendered with relative ease.
In spite of clinically benign features, the presence of a new "halo nevus" in an older adult should be regarded with a high index of suspicion for melanoma and may warrant performing a biopsy. In those patients where a potential malignancy is in question, a dermatologist should be consulted.
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References
Happle R. [Grunewald nevus]. Hautarzt. Dec 1994;45(12):882-3. [Medline].
Zeff RA, Freitag A, Grin CM, Grant-Kels JM. The immune response in halo nevi. J Am Acad Dermatol. Oct 1997;37(4):620-4. [Medline].
Patrizi A, Neri I, Sabattini E, Rizzoli L, Misciali C. Unusual inflammatory and hyperkeratotic halo naevus in children. Br J Dermatol. Feb 2005;152(2):357-60. [Medline].
Fishman HC. Letter: Malignant melanoma arising with two halo nevi. Arch Dermatol. Mar 1976;112(3):407-8. [Medline].
Jacobs JB, Edelstein LM, Snyder LM, Fortier N. Ultrastructural evidence for destruction in the halo nevus. Cancer Res. Feb 1975;35(2):352-7. [Medline].
Herd RM, Hunter JA. Familial halo naevi. Clin Exp Dermatol. Mar 1998;23(2):68-9. [Medline].
Brazzelli V, Larizza D, Martinetti M, et al. Halo nevus, rather than vitiligo, is a typical dermatologic finding of turner's syndrome: clinical, genetic, and immunogenetic study in 72 patients. J Am Acad Dermatol. Sep 2004;51(3):354-8. [Medline].
Zalaudek I, Moscarella E, Argenziano G. Artifactual "pseudo-halo nevi" secondary to sunscreen application. J Am Acad Dermatol. Jun 2006;54(6):1106-7. [Medline].
Berg P, Lindelof B. Differences in malignant melanoma between children and adolescents. A 35-year epidemiological study. Arch Dermatol. Mar 1997;133(3):295-7. [Medline].
Further Reading
Keywords
halo nevus, nevus of Sutton, halo nevi, Sutton nevus, Sutton nevi, melanoma, malignant melanoma
Treatment & Medication: Halo Nevus