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The aim of this study was to investigate the clinical features and chronological changes in the histopathology of prurigo pigmentosa in <jats:styled-content style=\"fixed-case\">K<\/jats:styled-content>orean patients and to assess the etiology of this condition. We reviewed the medical records, clinical photographs and biopsy specimens from 50 patients diagnosed with prurigo pigmentosa. Mean age at diagnosis was 23.7\u00a0years (range, 15\u201361\u00a0years). Prurigo pigmentosa started as urticarial papules or plaques, changing first to papulovesicles and then to reticulated brownish macules. The most frequent sites were the back and chest, especially depressed areas such as the central back and inter\u2010mammary area. Dietary change was suspected as a cause of prurigo pigmentosa in 17 patients. Histopathologically, early\u2010stage lesions had dermatitis herpetiformis\u2010like features; fully\u2010developed lesions displayed impetigo\u2010like or acute, generalized, exanthematous, pustulosis\u2010like features; and late lesions presented with post\u2010inflammatory hyperpigmentation\u2010like features. Oral minocycline, with or without dapsone, was effective in inhibiting the appearance of new lesions, but did not prevent recurrence. Prurigo pigmentosa is not rare in <jats:styled-content style=\"fixed-case\">K<\/jats:styled-content>orea, is apparently associated with dietary modification and preferentially involves the depressed regions of the trunk.<\/jats:p>","DOI":"10.1111\/j.1346-8138.2012.01640.x","type":"journal-article","created":{"date-parts":[[2012,8,20]],"date-time":"2012-08-20T07:05:21Z","timestamp":1345446321000},"page":"891-897","source":"Crossref","is-referenced-by-count":38,"title":["Prurigo pigmentosa: Clinicopathological study and analysis of 50 cases in <scp>K<\/scp>orea"],"prefix":"10.1111","volume":"39","author":[{"given":"Jae Kyung","family":"Kim","sequence":"first","affiliation":[{"name":"Department of Dermatology University of Ulsan College of Medicine, Asan Medical Center Seoul Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Woon Kyong","family":"Chung","sequence":"additional","affiliation":[{"name":"Department of Dermatology University of Ulsan College of Medicine, Asan Medical Center Seoul Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sung Eun","family":"Chang","sequence":"additional","affiliation":[{"name":"Department of Dermatology University of Ulsan College of Medicine, Asan Medical Center Seoul Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joo Yeon","family":"Ko","sequence":"additional","affiliation":[{"name":"Department of Dermatology Hanyang University College of Medicine Seoul Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jong Hee","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Dermatology Seoul National University, Boramae Medical Center Seoul Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chong Hyun","family":"Won","sequence":"additional","affiliation":[{"name":"Department of Dermatology University of Ulsan College of Medicine, Asan Medical Center Seoul Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mi Woo","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Dermatology University of Ulsan College of Medicine, Asan Medical Center Seoul Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jee Ho","family":"Choi","sequence":"additional","affiliation":[{"name":"Department of Dermatology University of Ulsan College of Medicine, Asan Medical Center Seoul Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kee Chan","family":"Moon","sequence":"additional","affiliation":[{"name":"Department of Dermatology University of Ulsan College of Medicine, Asan Medical Center Seoul Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2012,8,20]]},"reference":[{"key":"e_1_2_5_2_1","first-page":"78","article-title":"A peculiar pruriginous dermatosis with gross reticular 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