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백토에 유발시킨 Microsporum gypseum 감염증에서 시간의 경과에 따른 병리조직학적 변화
황계영(Kae Yong Hwang),최종수(Jong Soo Choi),김기홍(Ki Hong Kim),이태숙(Tae Sook Lee) 대한피부과학회 1988 대한피부과학회지 Vol.26 No.4
To evaluate the progress of clinical and histopathological changes of dermat ophytosis caused by M. gypseum, its inoculation study was done in 16 male New Zealand white rabbits(control: 4, innoculation : l2). The results were as follows . Clinically Initial erythema, scales, and crusts developed in 1 week after inoculation. They reached maximum severity on the 14th to 18th day and disappeared on the 25th to 44th day after inoculation. I-Iist,opathologically : The earliest findings were mild focal acanthosis and for al vascular ilatations and cellular infiltrations of the papillary dermis on the 4th day after inoculation. Their severity increased to the moderate degree until the. 8th day when mild hyperkeratosis was notec1, and lasted to the 13th day, Maximum degree of the findings including parakiratosis, intraepidermal microabscesses and middermal changes was seen on the 16th to 22nd day, and disapveared gradually between the 25th day and the 46th day. Hyphae and spores were founil on the PAS stainings until the 22nd clay. M. gypseum was not cultured from the lesions after the 25th day. seven of 10 rabbits injected intradermally with trichophytons became positive in 2 to 4 weeks after inoculation. All these findings suggest that the maximum inflammatory response is the result of immunologic reaction and the increased epidermal turnover rate may play a. major role in the shedding of remained fungi of the horny layer.
황계영,최원희,최종수,문병천,이태숙 영남대학교 의과대학 1986 Yeungnam University Journal of Medicine Vol.3 No.1
62세된 남자에서 원발암보다 먼저 발견된 피부전이암을 경험하고 임상조직적 소견상 원발부위가 대장암으로 사료되었다. We report a case of metastatic carcinoma of the skin in 62-year-old male who showed multiple nodules on the anterior chest, scalp, face and left axilla for 2 months' duration. He suffered from lower abdominal discomfortness for 6 months. Histopathologic findings revealed atypical cell nests and some tubular or glandular formation in the dermis and subcutaneous fat tissue. Material in the lumen showed diastase resistant and PAS positive, and alcian blue positive at pH 2.4, but negative pH 0.4. So it represented sialomucin. We did not find primary site of malignant tumor. In view of clinical and histopathological findings, it was considered to be originated from the large intestine.
Hwang, Kae Soon,Gong, Seong Yong,Lee, Won Kook 한국화학공학회 1991 Korean Journal of Chemical Engineering Vol.8 No.3
Equilibrium data for the adsorption of hydrogen, carbon dioxide, and binary mixture of both gases on activated carbon were determined experimentally. Pure component isotherms were presented along with pressures up to 30 atm at 301 K, 323 K and 348 K. Also, the binary equilibria were obtained at various temperatures same above for pressure of 1.5, 10 and 20 atm, respectively. For the pure component system, Freundlich isotherm was shown to be fitted best to the experimental results. However, in the binary system, the ideal adsorption solution (IAS) theory gave good representation of the binary experimental data in high pressure range.
Kae Soon Hwang,Seong Yong Gong,Won Kook Lee 한국화학공학회 1991 화학공업과 기술 Vol.9 No.5
N/A Equilibrium data for the adsorption of hydrogen, carbon dioxide, and binary mixture of both gases on activated carbon were determined experimentally. Pure component isotherms were presented along with pressures up to 30 atm at 301 K. 323 K and 348 K. Also, the binary equilibria were obtained a various temperatures same above for pressure of 1.5, 10 and 20 atm, respectively For the pure component system. Freundlich isotherm was shown to be fitted best to the experimental results. However, in the binary system, the ideal adsorption solution (IAS) theory gave good representation of the binary experimental data in high pressure range.
Lee, Won Kook,Hwang, Kae Soon,Gong, Seong Yong 한국화학공학회 1991 NICE Vol.9 No.5
Equilibrium data for the adsorption of hydrogen, carbon dioxide, and binary mixture of both gases on activated carbon were determined experimentally. Pure component isotherms were presented along with pressures up to 30 atm at 301 K. 323 K and 348 K. Also, the binary equilibria were obtained a various temperatures same above for pressure of 1.5, 10 and 20 atm, respectively For the pure component system. Freundlich isotherm was shown to be fitted best to the experimental results. However, in the binary system, the ideal adsorption solution (IAS) theory gave good representation of the binary experimental data in high pressure range.
Behcet병 환자의 Pathergy 검사 부위에 대한 임상 및 병리조직학적 관찰
이원우(Won Woo Lee),황계영(Kae Yong Hwang),김덕하(Duck Ha Kim) 대한피부과학회 1992 大韓皮膚科學會誌 Vol.30 No.2
Through the clinicopathologic study of pathergy test sites of 16 patients with Behrets disease in the active or inactive stage, the following results were obtained; 1. In the active stage, six of 16 patients (37.5%) showed positive reactions in clinical pathergy tests, which are much higher than that in the inactive stage when only one patient showed a positive reaction. The severity of the ciniral pathergy reaction was directly related to the activity of the disease. 2. The characteristic histopathologic finding in the active stag was a dermal inflammatory cellular infiltration composed mainly of polymorphonuclear lukocytes and of lymphomononuclear cells accompanied by leukoctocylasia. Two of 16 patients showed true leukocytoclastic vasculitis. 3. Although the type of disease and the reactivity of the clinical pathergy test were related in terms of the severity of the histopathologic findings, there were some notible histopathologic changes even in the cases with negative clinical pathergy reactions. We concluded that the histopathologic findings of the pathergy test sites were more reliable for the diagnosis of Behcet's disease than the clinical findinigs. (Kor J Dermatol 1992;30(2): 145-154)
이현철(Hyun Cheol Lee),황계영(Kae Yong Hwang) 대한피부과학회 1994 대한피부과학회지 Vol.32 No.1
We are reporting a case of multiple dermatofibromas which occuired during the treatment of systemic lupus erythematous with prednisolone for 3 years in a 30-yenr-old woman, All of the 26 lesions were 0.5-2cm sized. and had the same appearanes ad usual dermatofibromas coccurring singly. Histopathologic examination showed typical findings of dermatofibroma which were characterized hy proliferation of fibroblasts intermingled with collagen in irregular arrangement and proliferation of small vessels and endothelial cells. (Kor J Dermatol 1994; 32(1): 193-197)
문병천(Byung Chun Mun),황계영(Kae Yong Hwang),최종수(Jong Soo Choi),김기홍(Ki Hong Kim) 대한피부과학회 1987 대한피부과학회지 Vol.25 No.3
We report a case of trichorrhexis nodosa in 16-year-old male. Multiple broken hair patches were seen on the both eyebrows. Scanning electron micrascopic findings revealed typical trichorrhexis nodosa; nodular swelling of hair shaft, loss of hair cuticle, longitudinal fissuring and fracture of hair cortex, and paintbrush effect on the side of fracture. Simple avoidance of trauma gave some regrowth of hair. Intralesinional administration of triamcinolone acetonide was not to be effective.