Yonago Acta Medica
Online ISSN : 1346-8049
ISSN-L : 0513-5710
Patient Report
Simultaneous Occurrence of Lichen Nitidus and Morphea
Yuko EharaYuichi YoshidaKazunari SugitaOsamu Yamamoto
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2021 Volume 64 Issue 2 Pages 214-216


Lichen nitidus and morphea are common diseases, but an associated localization of both lesions is rare. Here, we describe the first case of lesions distributed along Blaschko’s lines. A 24-year-old Japanese woman was referred to our clinic for evaluation of band-like plaques of 18-months history on the right lateral side of her abdomen. In addition, multiple milky-white papules were seen within the plaques. Histopathological examination showed there was sclerosis in the lower half of the dermis and well-circumscribed, dense, papillary dermal lymphohistiocytic aggregations showing a so-called “claw clutching a ball.” Immunohistochemical analysis revealed that the morphea and lichen nitidus had similar characteristics. We speculated that unique immunologic events led to the development of lichen nitidus and morphea in our patient.

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© 2021 Tottori University Medical Press
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