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일광 비노출 부위에 발생한 Papular Elastolytic Giant Cell Granuloma
임원석 ( Won Suk Lim ),김도훈 ( Do Hun Kim ),진상윤 ( Sang Yun Jin ),최윤석 ( Yun Seok Chol ),이애영 ( Ai Young Lee ),노지현 ( Ji Hyeon Rho ),이승호 ( Seung Ho Lee ) 대한피부과학회 2012 대한피부과학회지 Vol.50 No.8
Papular elastolytic giant cell granuloma is an unusual variant of annular elastolytic giant cell granuloma, characterized by the development of asymptomatic, multiple, small erythematous papules on both sun-exposed and non-sun-exposed area. Histopathologically, it shows a granulomatous infiltration, accompanied by the absence of the elastic tissue and phagocytosis of elastic fibers by multinucleated giant cell. An 83-year-old man was presented with a 1 year history of multiple erythematous papules on his abdomen and lower legs. Histopathologic finding showed a non-palisading granulomatous infiltration with multinucleated giant cells and engulfing elastic fibers. We, herein, report an unusual case of papular elastolytic giant cell granuloma, which occurred on non-sun-exposed skin.
(Bi_xSb_1-x)NbO₄Ceramic System의 소결온도에 따른 Raman Spectrum
유윤식,배일환,장민수,노지현 동의대학교 기초과학연구소 1991 基礎科學硏究論文集 Vol.1 No.1
Raman spectra for the sintering temperature variation of BiNbO₄ceramics and SbNbO₄ceramics were investigated. As a result, Raman spectra of BiNbO₄ceramics were very stable in the range 900℃-1000℃ and 1100℃-1190℃, Raman spectra of SbNbO₄ceramics were stable in the range 975℃-1000℃. On the bases of the results, Raman spectra for the sintering temperature variation of (Bi_xSb_1-x)NbO₄ceramic systems (0.1≤x≤0.9) were examined.