Association of alopecia areata with segmental vitiligo and segmental lichen planus: a case report
Keywords:
Alopecia areata, segmental vitiligo, segmental lichen planusAbstract
Alopecia areata (AA) is a chronic inflammatory condition that affects the hair follicles and sometimes, the nails. It is believed that AA is caused by T cell-mediated autoimmune response and increased frequency of other autoimmune diseases in persons suffering from AA supports this hypothesis. A 12-year-old boy presented with extensive alopecia areata with pitting in all nails for 6 years. He had developed lesions of vitiligo and lichen planus on trunk in a segmental manner. While the association of alopecia areata and vitiligo as well as lichen planus is well known, segmental nature of both vitiligo and lichen planus is quite rare.References
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