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김홍직,이종석,김영근,현경준 순천향대학교 1989 논문집 Vol.12 No.3
Hydroa vacciniforme is a rare, light sensitive dermatitis characterized by discrete vesicles followed by varioliform scar formation, which was first described by Bazin on 1862. Our case was a 10-years-old girl who had umblicated vesicles, crusts, varioliform scars on both cheeks, nose, dorsum of hands in symmetrical distribution with itching sensation, which had used to recur in every summer since last five years ago. Histologic examination showed necrosis and multilocular bullae due to reticular degeneration in the epidermis, extravasation of red blood cell and lymphohistiocytic infiltration in the dermis. On urine examination, porphyrin was negative. Diagnosis was established by clinical characteristics and laboratory findins and histologic pictures.
장기간 Minocycline으로 좌창 치료중 병발한 피티로스포룸 모낭염 1례
김홍직,황규홍,김영근 순천향대학교 1992 논문집 Vol.14 No.4
Pityrosporum folliculitis is a common disease of young and middle-aged persons, clinically which occurs predominantly on the upper chest, back, shoulders and less frequently on the neck. The primary lesions are erythematous follicular papules, pustules and associated with moderate pruritus. In biopsy specimens, PAS-positive, diastase-resistant, spheric to oval budding yeasts were seen in a dilated hair follicle as a result of plugging with keratinous material. We report a case of pityrosporum folliculitis in a 21-year-old woman who had multiple erythematous papules with itching sensation on the right side of neck. She had a past history of minocycline therapy for acne vulgaris.
한국에서의 외용 약제에 의한 알레르기성 접촉 피부염의 임상적 연구 - 공동연구 -
김홍직 ( Hong Jig Kim ),현경준 ( Kyeong Joon Hyeon ),국홍일 ( Hong Eil Kuk ),최혜민 ( Hai Min Choi ),문기찬 ( Kee Chan Moon ),허충림 ( Choong Rim Haw ),김수찬 ( Soo Chan Kim ),은희철 ( Hee Chul Eun ),김정원 ( Chung Won Kim ),김형 대한피부과학회 1991 大韓皮膚科學會誌 Vol.29 No.1
Korean contact dermatitis research group(KCDRG) investigated 115 cases with suspected allergic contact dermatitis due to topical medicaments who visited 13 university hospitals in Korea during 1986 and 1987. The authors classified the subjects into 10 groups according to the causative medicaments and performed patch tests with as is, standard screening set(HollisterStier) and vehicle sensitivit,y series(Hollister-Stier). The results were as follows : 1. The incidence of investigated cases were shown one peak at third and fifth derades. Z. The cammon sensitizing groups of drugs were antiseptis(26.1%), medicaments for acne vulgaris(19%), medicaments for tissue repair(12.2%) and antibiotics(9.5%). 3. The commonsensitizing drugs were benzoyl peroxide(17.3%), povidone iodide (15.6%), Madecassol(8.7'lo), neomycin(6.9%) and Hygind(6.1% ). 4. The common allergens by patch test were mercuric chloride(14.5%), balsam of Peru(13.1%), cinnamic alcohol(13.1%) and potassium diichromate(11.6%). 5. Ant,iseptics and Madecassol were far more than the other countries. 6. Mercurochrome seems to be deereased and povidone-iodine increased compairing the past r eports. (Kor J Dermatol 29(l): 32 40, 1991)
Ti 주물표면의 반응성에 미치는 주형재료 및 점결제의 영향
김세광,김영직,김명균,김태경,홍태환 대한금속재료학회(대한금속학회) 2001 대한금속·재료학회지 Vol.39 No.4
Attempts have been made to evaluate the relative stability of surface layer reactions of cast metal with mold material in commercially pure titanium and Ti-6Al-4V alloy castings. For melting of titanium alloys, plasma arc melting process was used and the extent of the surface reaction of castings was determined by optical metallography and microhardness profiles. The mold materials being examined included ZrO₂, Al₂O₃, CaO stabilized ZrO₂, CaZrO₃ and CaO. The machined graphite mold was used for comparison. Moreover, it was to investigate the effect of the binder on metal-mold reaction in case of Al₂O₃ mold. The results showed that titanium castings with ZrO₂, Al₂O₃ mold had clear reaction layer(α-case), whereas negligible reaction with titanium occurred in CaO stabilized ZrO₂, CaO, CaZrO₃ and graphite mold. The grading of thermal stability of mold material does not follow the free energy data of the formation of these oxide. CaZrO₃ is regarded as a promising mold material for titanium investment castings. In additions, metal-mold reaction of titanium castings was affected sufficiently by the binder as well as the mold material.
김홍직,표형찬,김재홍,김성화 순천향대학교 1986 논문집 Vol.9 No.3
We have experienced four cases of subungual exostosis. They all affected inner border of the distal phalanx of the great toe and aged from 7 to 21 years. Subjective symptoms were pain and easily bleeding tendency on minor trauma in the all cases. Histopathologic findings of the tumors showed the proliferating hyaline carilaginous caps that merge into mature trabecular bones at their bases, and the tumor of the case 3 showed a part of hyaline cartilage with many proliferating fibroblast. Radiographic findings of the tumors showed a bony outgrowths of trabeculated bones from the inner border of the distal phalanges, and the tumor of the case 3 showed only a swelling of the soft tissue. we treated with complete excision of the tumor masses.
Lymphocytic Infiltration of the Skin ( Jessner )
김홍직(Hong Jig Kim),김영근(Young Keun Kim),황규왕(Kyu Wang Whang),차영수(Young Soo Cha) 대한피부과학회 1990 대한피부과학회지 Vol.28 No.2
Lymphocytic infiltration of the skin(LIS), first described in 1953 by Jessner and Kanot is relatively uncommon disorder, characterized clinicaily by the presence of erythemat.ous peripherally enlarging papules or plaques which may show central clearing. Histologically, the lesions show patch, perivascular and periadnexal lymphocytic infiltrates. We have experienced a case of 30-year old male who had multiple erythematous nodules and plaques on the face and dorsum of the right wrist with 5 years history. He had first noted erythematous plaques on the cheek and these lesions were gradually increasing in size and spreading to the forehead and forearm. He had transiently improved by medication at the drug store, but recurred after discontinuation. (Kor J Dermatol 28(2): 245 249, 1990)
김홍직(Hong Jig Kim),김영근(Young Keun Kim),표형찬(Hyung Chan Pyo) 대한피부과학회 1987 대한피부과학회지 Vol.25 No.5
We present a case of Kyrle's disease. The pstient was a 48-year-old male who had been undergoing hemodialysis for 6 years due to chronic renal failure caused by polycystic kidney. The lesions were hyperkeratotic papules on the lower legs and abdomen witb 3 months' duration. Histopathologically, the epidermis showed central invsgination filled with heavy keratotic, partly parakeratotic plug, basophilic debris and neutrophils. There were a few premature keratinized cells below the parakeratotic plugs and complete epidermal perforation was present.