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정형세(Hyeong Se, Jeung),오호엽(Oh, Ho-Yeop),최동호(Choi, Dong-Ho),이부용(Lee, Bu-Yong) 한국태양에너지학회 2013 한국태양에너지학회 학술대회논문집 Vol.2013 No.4
The objective of this study was to compare and analyze for seasonal long·short-wave radiation characteristics between downtown area and suburban area in Daegu through field observations. This study was confirmed the regional and seasonal radiation environments and it can utilize as basic data for the analysis of the urban radiation environment and the effects of urbanization. The followings are main results from this study. 1) The downward shortwave radiation showed the similar value of the radiation generally in the downtown area and the suburban area of the city during the winter and summer season. 2) The longwave radiation showed that the value of the radiation in the downtown area of the city was higher than that in the suburban area of the city during the winter and summer season. 3) The downward total radiation from the upper atmosphere to the floor in downtown area was higher than that in suburbs area during the winter; however, it was not different trends of the two observation points during the summer.
( Hyeong Rae Kim ),( Myung Im ),( Young Lee ),( Chang Deok Kim ),( Jeung Hoon Lee ),( Young Joon Seo ) 대한피부과학회 2013 대한피부과학회 학술발표대회집 Vol.65 No.2
Background: Red light and blue light have been used for the treatment of acne vulgaris alone or with photosensitizer. The effect of both light alone or combination has been evaluated, but there is no comparison study of red and blue light alone, so far. Objectives: To assess the efficacy of red and blue light phototherapy alone in acne vulgaris, respectively. Methods: Twenty patients with mild to moderated facial acne were treated with red light on the one side and blue light on the other side. The treatment was performed twice a week for 4weeks. Clinical photographs, lesion count were used to assess each side of the face at baseline, 2 and 4 weeks after initial treatment. Results: After 4 weeks treatment of phototherapy, clinical improvement was observed in both inflammatory and non-inflammatory acne lesions compared with baseline. No significant difference was found in between red and blue light. Conclusion: Phototherapy with red or blue light alone appeared to be effective for the treatment of acne vulgaris and there was no significant differences in the efficacy and between both sources.
( Hyeong Rae Kim ),( Hae Eul Lee ),( Myung Im ),( Young Lee ),( Jeung Hoon Lee ),( Young Joon Seo ) 대한피부과학회 2015 대한피부과학회 학술발표대회집 Vol.67 No.1
Kissing nevus or devided nevus is a type of congenital nevus, which is characterized by two adjacent but split nevi due to abnormal melanoblast migration during embryogenesis. At first, kissing nevus of the eyelids was described in 1908 and more than 40 cases have been reported. Kissing nevus of the penis was first reported in 1998 and only 15 cases have been described until today. We here report a case kissing nevus of the penis. A 12-year-old male presented with two asymptomatic pigmented penile lesions which was discovered incidentally a month before. Physical examination showed two hyperpigmented patches on the dorsolateral glans of penis and on the inner surface of prepuce, respectively. Histopathologic examination showed nest of nevus cells in dermoepidermal junction and in the upper dermis. After diagnosis was made, we recommended surgical treatment of those lesions, but patient refused further treatment and follow-up. So far, there is no case report of kissing nevus of the penis in Korean dermatologic literature, so here we report the case.