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KMID : 0363220140520040256
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Korean Journal of Dermatology
2014 Volume.52 No. 4 p.256 ~ p.259
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Eczematid-like Purpura of Doucas and Kapetanakis Showing Clinical Improvement with Narrowband UVB
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Jeong Young-In
Huh Joon-Won
Kim Geon
Jue Mihn-Sook
Park Hyang-Joon
Kim Eun-Jung
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Abstract
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Eczematid-like purpura of Doucas and Kapetanakis is a type of pigmented purpuric dermatoses. It is clinically characterizedby pruritic seasonal eruptions occurring in the spring and summer, and histopathologically characterized byspongiosis and parakeratosis in the epidermis and by the lymphocyte-mediated leakage of erythrocytes from capillariesin the papillary dermis. We report a case of eczematid-like purpura of Doucas and Kapetanakis that showedclinical improvement with narrowband UVB (NB-UVB). The patient was a 66-year-old man with pruritic,well-demarcated scaly purpuric patches on his feet that appeared 2 months prior. A histopathological study showedmild superficial perivascular lymphocytic infiltration, focal spongiosis with exocytosis, and erythrocyte leakage. Weinitiated treatment with an oral antihistamine, ascorbic acid, and a topical steroid, but the lesion was aggravated. Wetherefore treated the patient with NB-UVB for 6 months, and the lesions regressed progressively with residual postinflammatoryhyperpigmentation.
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KEYWORD
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Eczematid-Like purpura of Doucas and Kapetanakis, Narrowband-UVB, NB-UVB, Pigmented purpuric dermatoses
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