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Idiopathic eruptive macular pigmentation following a Christmas tree pattern

including a Japanese case have been reported. Nine cases showed the VKH occurred following the psoriatic lesion. The average age of a VKH patient with psoriasis is 57.7 years. In contrast, that of a VKH patient without psoriasis is 30– 40 years, suggesting the elderly occurrence of VKH with psoriasis. Previously, specific HLA genotypes, HLA-DR4-DR53 and HLA-Cw6, have been associated with VKH and psoriasis, respectively. Our case showed HLA-DR4, but not HLA-Cw6 or Cw7. Yokota et al. reported that the association of DR4 with VKH is more conspicuous compared with the association of Cw6 or Cw7 with psoriasis. Although no difference in prognosis apparently exists between VKH alone and psoriasis-associated VKH, the latter may have distinctive HLAand non HLAassociated genetic backgrounds.