halo nevus
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Epidemiology
- most common in children
Pathology
- benign melanocytic nevus undergoing immunologic elimination by infiltrating lymphocytes
- in some cases may be a reaction to atypical nevus
* histopathology images[3]
Clinical manifestations
- formation of a white ring (halo) around a melancytic nevus
- the halo enlarges & the nevus shrinks
- a depigmented region resembling vitiligo remains
- most frequently on back[1]
Complications
Management
- thorough skin examination
More general terms
References
- ↑ 1.0 1.1 1.2 Medical Knowledge Self Assessment Program (MKSAP) 17, 18. American College of Physicians, Philadelphia 2015, 2018.
- ↑ 2.0 2.1 DermNet NZ. Halo moles (images) http://www.dermnetnz.org/lesions/halo-mole.html
- ↑ 3.0 3.1 3.2 Zabawski EJ, Elston DM (images) Medscape: Halo Nevus http://emedicine.medscape.com/article/1057446-overview
- ↑ Weyant GW, Chung CG, Helm KF. Halo nevus: review of the literature and clinicopathologic findings. Int J Dermatol. 2015 Oct;54(10):e433-5. Review. PMID: https://www.ncbi.nlm.nih.gov/pubmed/26146814