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이애영(Ai Young Lee),이상학(Sang Hak Lee),이유신(Yoo Shin Lee) 대한피부과학회 1989 대한피부과학회지 Vol.27 No.5
Contact urticaria designates a local immediate and/or delayed urticaria reaction, with swelling and redness at the sites of contact with certain agents. Fruits are the frequently causative agent for immunologically mediated contact urticaria. We report herein a contact urticaria occurring in a 20-year-old male immediately aftar contact with peach and plum, and after ingestion of plum, peach and apple. Swelling and itching sensation of lips and oral cavity, and tightness of chest were also developed ofter ingestion of plum, peach and apple,
이애영(Ai Young Lee),윤태영(Tae Young Youn),김선훈(Seon Hoon Kim),이유신(Yoo Shin Lee) 대한피부과학회 1986 대한피부과학회지 Vol.24 No.3
Infantile hemangiopericytoma deserves separate consideration from adult form of. hemangiopericytoma in that it has a benign clinical behavior and distinct histology. We herein report a case of infantile hemangiopericytoma in a 80-day-old male. He had multiple tender subcutaneous nodules on buttock and lower extremities which disappeared spontaneously in 10 months. Microscopically, well circumscribed multiple tumor nodules were seen in the dermis and subcutis and the nodules were consisted of haphazardly packed cells around endothelium-lined vascular slits. Infantile hemangiopericytoma is usually soliitary and spontaneously healed case has not been reported yet.
이애영(Ai Young Lee),김기호(Ki Ho Kim),김정애(Jeong Aee Kim),이유신(Yoo Shin Lee),송영기(Young Kee Shong),조보연(Bo Youn Cho) 대한피부과학회 1989 대한피부과학회지 Vol.27 No.5
A case of pretibisl myxederna in typical Graves disease was described. A 50-year-old woman revealed diffuse toxic goiter, exophthalmos, and pretibial myxedema. From light and electron microscopic findings, large amount of acid mucopolysaccharides were deposited in the stroma and fibroblssts. In spite of elevation of TBII (a kind of thyroid stimulatory factors, negative direct immunofluorescence of lesional skin and no response. of pretibial myxedema to the treatment with antithyroid drug (propylthiouracil) suggested stimulstory factors of fibroblasts might be different from those of thyroid gland.
이애영,이유신 ( Ai Young Lee,Yoo Shin Lee ) 대한피부과학회 1991 대한피부과학회지 Vol.29 No.4
N/A Ultrastructurai Study of Fixed Drug Eruption Ai Young Lee, M.D., Yoo Shin Lee, M.D. Department of Dermatology, College of Medicine, Seoul National University Hospital Seoul, Korea Although patch test responses and histopathology of fixed drug eruption and allergic contact dermatitis are similar, the former recurrs persistently at the same site. The pathogenesis of this site predilection remains to be clarified. The purpose of this study was to examine ultrastructurally healed and active sites of fixed drug eruption. Degenerative changes of keratinocytes, which showed aggregation of tonofilaments, increment of electron density, decrement of nuclear size and irregular condensation of chromatin, were observed in asymptomatic lesions above 1 month after attacks as well as in active lesions. The changed keratinocytes usually attached to lymphocytes and Langerhans cells in both active and healed lesions. The ultrastructrual difference between active and healed lesions lay mainly in the extent and degree to be changed. In the provocation, changed keratinocytes with lymphocytes and Langerhans cells appeared earlier than macrophages. Langerhans cells and lymphocytes seemed to be pulled from dermis to epidermis in active and provoked lesions, and to play a role in the pathogenesis. (Kor J Dermatol 29(4) : 466-470, 1991)
이애영(Ai Young Lee),윤재일(Jai Il Youn),이유신(Yoo Shin Lee) 대한피부과학회 1984 대한피부과학회지 Vol.22 No.4
Arteriovenous hemangioma is a type of hemangiomas which are derived from or are composed of vessels. Recently, authors experienced a case of arteriovenous hemangioma, which clinically suspected a granuloma pyogenicurn but could be confirmed histopathologically.
흡입에 의하여 분리된 백반증 환자 수포 표피의 광학 및 전자 현미경 관찰
이애영,이유신 ( Ai Young Lee,Yoo Shin Lee ) 대한피부과학회 1989 대한피부과학회지 Vol.27 No.5
Suction is a useful tool for separation of epidermis from dermis in vivo. With appropriate suction pressures and durations applied, cellular damage of the separated epidermis can reduce, This study was performed to examine the appropriste suction pressures and durations in the lhsional and normal skin of four vitiligo patients who wanted to take epidermal autograft. The suction pressures and durations for making the blisters of similar morphology were different according to person. Microscopic changes in the blisters of similar morphology were not very different, and suction of 200 to 250 mmHg for 2 to 3 hours with a 2cm diametered suction cup was considered to be acceptable. Obvious damage to keratinocytes and diminish of melanacyte number were observed with much more powerful and longer suction such as suction of 350 to 400 mmHg for 3 to 4 hours. The level of dermo-epidermal separation was between basal cell membrane.
이애영(Ai Young Lee),이유신(Yoo Shin Lee) 대한피부과학회 1989 대한피부과학회지 Vol.27 No.2
Lesional and normal skins in 10 patients of fixed drug eruption were studied. Number and vertical distance of rete ridges were measured in H & E stained specimens. Amount of free melanin and number of melanocytes were counted in dopa stained epidermal sheets. According to the number of recurrence, activity and number of melanocytes see med to be changed. The lesions of a few recurrence showed only active melano cytes, however, those of frequent recurrenoe increased number of melanocytes with marked elongation of rete ridges. It is supposed that the numerical increase of melanocytes were from the elongation of rete redges,
김영걸(Young Gull Kim),이애영(Ai Young Lee),조광현(Kwang Hyun Cho),이유신(Yoo Shin Lee) 대한피부과학회 1993 대한피부과학회지 Vol.31 No.1
We report a case of fibroma of tendon sheath developed in a 22-year-old woman. The tumor of about 5 years duration was protruding on the volar surface of her 4th finger tip. It was well-demarcated rubbery-hard, and immovable on palpation. The surface on the tumor was smooth and had some telangiectasias. It was asymptomatic and non-tender. The histopathologic findings of excised specimen revealed well-demarcated lobulated mass with widely-spacd: fibroblasts in a hyalinized collagenous matrix. The characteristic slit-like spaces were found in hypoellular and fasciitis-like region. After excision, local recurrence has not been observed for about one and a half years of follow-up period. (Kor J Dermatol 1993; 31(1): 131-133)
이애영(Ai Young Lee),윤재일(Jai Il Youn),이유신(Yoo Shin Lee) 대한피부과학회 1984 대한피부과학회지 Vol.22 No.1
Anthralin is highly efficacious in the treatment of psoriasia, but it has two major drawbacks: staining of the skin and clothing and irritation of the skin. There have been several studies that the effect of the anthralin with short contact therapy(SCT) is nearly the same as that with the simple application(SA). This study was planned to compare the effect and side effects of SCT with those of SA of anthralin in 27 psoriatic patients visited between November 1982 and June 1983 at the Department of Dermatology, Seoul National University Hospital. The results could be summerized as follows: 1. For 4 weeks of treatment, the longer the duration of treatment, the more similar the effect between the SCT and the SA. 2. After 2 weeks of treatment, the effect of the SA was better than that of the SCT in 5 cases, the same in 18 cases and worse in 1 case. 3. For 4 weeks of treatment, all side effects(irritation, ataining and pruritus) were more frequent in the SA than in the SCT. And irritation was observed earlier than staining. 4. After 2 weeks of treatment, the side effects of the SA were more than those of the SCT in 12 cases and the same in 12 cases. With all our results, we have concluded that the patients who cannot tolerate the SA could be tried with the SCT.