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이석종,전재복,김도원,정상립 慶北大學校 醫科大學 1994 慶北醫大誌 Vol.35 No.4
목적 : Pityrosporum ovale는 지루피부염의 발생에 중요한 역할을 하며 이 친지성 진균은ketoconazole제재에 감수성이 있다고 알려져 있다. 이에 저자들은 두피에 사용하기 편리한 2% ketoconazole 샴푸로 지루피부염을 치료하여 그 효과를 확인하고자 본 조사를 실시하였다. 대상 및 방법 : 두피의 지루피부염 환자 52명에게 소양감의 정도를 설문조사하고 피부과 의사의 육안으로 인설의 양을 검사한 후 광학현미경 고배율하에서 진균학적 검사를 실시하였다. 결과 : 지루피부염 환자의 소양감과 인설의 양은 치료전에 비해 치료 2주와 4주 모두에서 유의하게 감소하였으며(p<0.05) 이들 환자에서 실시한 Pityrosporum ovale의 평균 포자수 역시 치료전에 비해 치료 2주와 4주 모두에서 유의하게 감소하였다(p<0.05). 결론 : ketoconazole 샴푸는 지루피부염의 임상 및 진균학적인 면 모두에서 치료효과가 있는 것으로 판단되며 간접적으로나마 Pityrosporum ovale가 지루피부염의 발생에 관여한다는 사실을 알 수 있었다. It is suggested that Pityrosporum ovale may play an important role in the pathogenesis of seborrheic dermatitis and this organism is sensitive to ketoconazole compound. So the efficacy of 2% ketoconazole shampoo in the treatment of seborrheic dermatitis was tested and was calculated by mean scores of scale, itching and yeast cells. We interviewed fifty two patients with seborrheic dermatitis about the degree of itching and examined with naked eyes the scale of scalp of them. In a group of the patients, mycological study of P. ovale was also performed by direct smear with 20% KOH solution containng 1 : 1 Parker-ink^R The results were as follows : As for itching and scale of the scalp, the scores were significantly decreased at week 2 and week 4 as the duration of treatment prolonged in comparison with that of week 0. The mean yeast cell score at the two points of time was also significantly decreased in comparison with that of week 0. There was no significant difference in the response from the view of age, sex and duration of seborrheic dermatitis. It is suggested that the shampooing with ketoconazole 2% shampoo every three other days gave a good result clinically and mycologically.
Fuzzy r-regular open sets and fuzzy almost r-continuous maps
이석종,이은표 대한수학회 2002 대한수학회보 Vol.39 No.3
We introduce the concepts of fuzzy r-regular open setsand fuzzy almost r-continuous maps in the fuzzy topology ofChattopadhyay. Also we investigate the equivalent conditions ofthe fuzzy almost r-continuity.
당뇨병 및 간경변증 환자에서 발생한 Fusarium verticillioides에 의한 피부 감염 1예
이석종,전영민,원지연,송은섭,최용우,김한욱 대한의진균학회 1997 대한의진균학회지 Vol.2 No.1
Fusarum species, which are common soil saprophytes, have been implicated as a pathogen causing a variety of opportunistic infections such as keratitis, onychomycosis, burn wound infection or disseminated systemic infections in immunocompromised hosts. We report a case of cutaneous infection caused by F. verticillioides in a 59-year-old man, with a long history of diabetes mellitus and alcoholic liver cirrhosis. He presented with a few papules and fluctuant cutaneous nodules on both forearms traumatized by woodstick 4 months ago. The diagnosis of F. verticillioides infection was established by histopathologic examination and findings of tissue cultures.
Fuzzy (r;s)-semi-preopen set stand fuzzy (r;s)-semi-precontinuous maps
이석종,임진택 한국지능시스템학회 2007 한국지능시스템학회논문지 Vol.17 No.4
In this paper, we introduce the concepts of fuzzy(r;s)-semi-preopen sets and fuzzy(r;s)-semi-precontinuous mappingson intuitionistic fuzzy topological spaces inˇSostak’s sense. The relations among fuzzy(r;s)-semicontinuous, fuzzy(r;s)-precontinuous, and fuzzy(r;s)-semi-precontinuous mappings are discussed. The concepts of fuzzy(r;s)-semi-preinterior, fuzzy(r;s)-semi-preclosure, fuzzy(r;s)-semi-preneighborhood, andfuzzy(r;s)-quasi-semi-preneighborhoodare given. Using these concepts, the characterization for the fuzzy(r;s)-semi-precontinuous mapping is obtained. Also,we introduce the notions of fuzzy(r;s)-semi-preopen and fuzzy(r;s)-semi-preclosed mappings on intuitionistic fuzzytopological spaces inˇSostak’s sense, and then we investigate some of their characteristic properties.
이석종,김진태 한국지능시스템학회 2007 INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGE Vol.7 No.1
Using the idea of degree of openness and degree of nonopenness, Coker and Demirci [5] dened intuitionistic fuzzytopological spaces in Sostak’s sense as a generalization of smooth topological spaces and intuitionistic fuzzy topolog-ical spaces. M. N. Mukherjee and S. P. Sinha [10] introduced the concept of fuzzy irresolute maps on Chang’s fuzzytopological spaces. In this paper, we introduce the concepts of fuzzy(r;s)-irresolute, fuzzy(r;s)-presemiopen, fuzzyalmost(r;s)-open, and fuzzy weakly(r;s)-continuous maps on intuitionistic fuzzy topological spaces in Sostak’s sense.Using the notions of fuzzy(r;s)-neighborhoods and fuzzy(r;s)-semineighborhoods of a given intuitionistic fuzzy points,characterizations of fuzzy(r;s)-irresolute maps are displayed. The relations among fuzzy(r;s)-irresolute maps, fuzzy(r;s)-continuous maps, fuzzy almost(r;s)-continuous maps, and fuzzy weakly(r;s)-cotinuous maps are discussed.