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한원석(Won Suk Han),조광현(Kwang Hyun Cho),윤재일(Jai Il Youn) 대한피부과학회 2000 대한피부과학회지 Vol.38 No.6
Eosinophilic pustular folliculitis(EPF) is characterized by recurrent crops of pruritic follicular papules and pustules that occur mainly on the face. The histological feature is the infiltration of eosinophils into the follicular epidermis and adjacent dermis. Extrafollicular lesions with involvement of palms and soles are not uncommon. Herein, we report a case of EPF with palmoplantar lesions in a 40 year-old woman. Palmoplantar lesions started 2 years ago and the initial clinical impression was palmoplantar pustulosis. For 6 months prior to visit, she had suffered from recurrent skin lesions on the face. A skin biosy taken from the lesion on the face revealed a dense infiltration of eosinophils into the follicles and a skin biopsy obtained from the lesion on palm demonstrated an intraepidermal vesicles filled with red blood cells and eosinophils.(Korean J Dermatol 2000;38(6):781~784)
김재윤,한원석,이순원 성균관대학교 기초과학연구소 1995 論文集 Vol.46 No.2
Reactions of SmCl_3 and YbCl_3 with LiNHAr (Ar = 2,6-diisopropylphenyl) in dimethoxyethane (DME) or tetrahydrofuran (THF) produced (ArNH)(DME)_xSm=NAr, A, (ArNH)(THF)_xSm=NHAr, ((Me_3Si)_2N)(THF)_xYb=NAr, C, respectively. These complexes were characterized by ^1H-NMR and FTIR spectroscopy.
김정애,은희철,문상은,한원석,조광현 대한피부과학회 2000 大韓皮膚科學會誌 Vol.38 No.8
Melanonychia is a pigmented nail plate. It can be produced by so many agents and diseases that it is often impossible to differentiate from one another by history and clinical examination alone. So, a nail biopsy is often required especially to exclude subungual melanoma. Herein, we reported 3 children with melanonychia. Junctional nevus in nail matrix was the cause of their melanonychia, although their lesions were suggestive of subungual melanoma by showing Hutchinson's sign, discoloration of total nail plate and destruction of nail plate, respectively. Considering the rarity of subungual melanoma in childhood and the higher risk of permanent nail deformity after nail matrix biopsy in young children, regular observation is recommended even if the melanonychia mimic subungual melanoma clinically.