Korean J Dermatol.
2011 Mar;49(3):287-290.
Crusted Scabies Misdiagnosed as a Cutaneous Side Reaction due to Allopurinol in a Patient with Acquired Perforating Dermatosis
- Affiliations
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- 1Department of Dermatology, Wonkwang University School of Medicine, Iksan, Korea. sdpark@wku.ac.kr
- 2Institute of Wonkwang Medical Science, Wonkwang University School of Medicine, Iksan, Korea.
Abstract
- Crusted (Norwegian) scabies is a clinical variant of human infestation with Sarcoptes scabiei, and is characterized by extensive, heavily crusted skin lesions. It usually affects immunocompromised patients. The diagnosis is commonly missed, and can lead to mismanagement. Here we report a case of crusted scabies misdiagnosed as a cutaneous side reaction due to allopurinol in a 48 year old male patient with acquired perforating dermatosis who had been treated with allopurinol for about 20 weeks. The lesion showed pruritic, excessive hyperkeratotic scaly crusts and fissures on the hands, and on pelvic, genital and inguinal areas. His skin lesions disappeared after treatment with 10% crotamiton cream for 2 weeks.
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