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홍석훈(Seok Hun Hong),이주협(Joo Hyeup Lee),서성준(Seong Jun Seo),홍창권(Chang Kwun Hong),노병인(Byung In Ro) 대한피부과학회 1992 대한피부과학회지 Vol.30 No.2
Pretibial myxedema, which consists of localized cutaneous accumulations of acid mucopolysaccharides, oceurs in a few patients with hyperthyroidi';m after its correction by surgery or radioactive iodine therapy. We report a case of pretibial myxedema with exophthalmos in a 36 year old male. He has suffered from hyperthyroidism with bilateral pretibial myxedema for a period of 4 years. He was treated with a subtotal thyroidectomy and excision of both pletibia lesions 1 year ago. The lesions recurred on t,he left pretibial area, as a 11 X 16cm sized, non pitting, non tender, swollen, brownish plaque. The histopathologic findings showed epidermal hyperkeratosis and a considerable arnount of mucin in the mid-dermis. We treat.ed him with intralesional injection of triamcinolone acetonide with marked improvement. (Kor J Dermetol 1992;30(2): 239-243)
자외선 B를 조사한 각질형성세포의 조건배양액내 Endothelin - 1 이 멜라닌세포의 증식과 기능에 미치는 영향
홍석훈,서성준,홍창권,노병인 ( Seok Hun Hong,Seong Jun Seo,Chang Kwun Haong ) 대한피부과학회 1997 大韓皮膚科學會誌 Vol.35 No.6
Background: The regulatory rnechanisrns of melanoc:ytes underlying ultraviolet(UV) melanogenesis have been an interest tu many investigators. They have shown that several materials produced and secreted frorn norm il human keratinocytes play roles as mitogens of human melanocytes, and demonstrated that UVB exposure stirnulated highly the paracrine linkage of endothelin(ET) be tween keratinocytes and melanocytes. It suggest that ET is one of keratinocytes-derived intrinsic mit.ogens in UVB induced hyperpigmentation. Objective : To evaluate whether ET secreted from keratinocytes under t.he UV irradiation works as paracrine effects such as melanocyte pro)iferation and function, the present, study was under taken. Methpds : Primary kevatinocytes and rnelanocytes cultures from neonatal foreskins were grown in complete MCDB 154 medium. Cultured human keratinocytes were irradiated with UVB 50mJ/ cm2. Twenty fours hour later, conditioned medium of keratinocytes was added into the growth medium of melanocytes of concentration in 10%, 20%, and 30%, respectively. Four days later, in order to detect of melanocytes proliferat.ion and function, number of melanocytes, melanin granules and tyrosinase activity v ere measured. Results : J. The number of me anocytes were higher increase in groups of incubation with conditioned medium of irradiated keratinocytes than that of incubation with conditioned mediurn of irradiated keratinocytes and treatment of anti-ET-1(5ug/ml)(p>0.05). 2. The melanin contents were significant.ly higher increase in groups of incubation with condi t.ioned medium(20%, 30%) of irradiated keratinocyt.es than that of incubation with conditioned medium of irradiated keiatinocytes and treatment of anti-ET-1(5ug/ml)(p<0.05). 3. The tyrosinase acti ity of melanocyte incubated with 30% COllcentration of conditioned medium from cultured keratinocyte irradiated with UVB was significantly higher increase than that of melanocyte incubated with 30% concentration of conditioned mediurn from cultured keratinocytes irradiated with UVB and treated with anti-ET-1(p<0.05). Conclusion : This stud provided an important confirmation of the proposal that ET-1 is intrin sic factor for proliferation and differentiation of human melanocytes. These findings suggest that keratinocyte derived ET-1 make a considerable effect on human melanocyte proliferation and function in UV melanog nesis. (Korean J Dermatol 1997;35(6): 1184-1192)
조백기,박종갑,김형옥,김성욱,백승철,김진우,김시용,안규중,전재복,오지원,김낙인,이규석,오칠환,김수남,김상태,손숙자,신용우,김동석,이원우,권경술,서대헌,황규왕,이종석,고재경,강원형,정기양,최응호,김기홍,박석돈,강승주,함정희,명기범,김방순,구상완,김병수,원영호,김한욱,송은섭,정병수,노병인,홍창권,박장규,한지윤,김광중,구대원,김종민,김재홍,유희준,양경미 대한의진균학회 1998 대한의진균학회지 Vol.3 No.2
Background: Onychomycosis, especially toenail onychomycosis has become one of the common fungal infection and has historically been regarded as a cosmetic rather than medical problem by many patients, even by physicians. Recently, however, there are several reports that is a refractory disease which may cause a deleterious effect on patiets quality of life (QOL). Objective: The purpose of this study was to investigate the impact of toenail onychomycosis on QOL in Korea and to assess the chandes of QOL after treatment. Methods: Total 1004 patients with toenail onychomycosis which was confirmed by clinical findings and KOH preparation were were enrolled at 47 dermatologic centers in Korea, and interviewed with standardized QOL questionnaire before and after sytemic antifungal treatment. Responses to the questionnaire were scored by 5-point scale (1∼4) and averaged, and were analyzed for 5 dimensions of emotional impact, social impact, symptorn and functional impact, patients views concerning treatment, and relationship with doctor. Results: 1. Before and after treatment, the most serious impact was emotional dimension showing 1.90 and 1.30 in average score (AS), and social (AS: 1.14 and 0.83) and symptom and functional impact (AS: 1.05 and 0.92) was also affected. 2. In female rather than male, statistically more significant impact on patients QOL was observed in all dimensions. 3. After treatment, 3 of 5 dimensions were improved significantly - emotional dimension (AS : from 1.90 to 1.30), social dimension (AS: from 1.14 to 0.83), patients view concerning treatment (AS: from 1.34 to 1.02). 4. The drgree of patients satisfaction at the therapeutic effect was very high- 62.4% (immediately after treatment) and 65.8% (9 months affer initiation of treatment) of patients answered excellent or good. Conclusion: This study confirms that toenail onychomycosis has significant impact on the overall QOL of patients. Also the effect of antifungal therapy on patients QOL were watisfactory. Therefore, both doctor and patient should pay more attention to the treatment of onychomycosis. [Kor J Med Mycol 3(1): 115∼124]