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방사선 치료 후 Koebner 현상에 의해 발생한 것으로 사료되는 건선 1예
홍성신,이용주,김홍용 대한피부과학회 2003 大韓皮膚科學會誌 Vol.41 No.2
The Koebner phenomenon is the development of the isomorphic skin lesions in persons with certain skin diseases after an injury occurred on normal-appearing skin. This response can be developed in psoriasis, pityriasis rubra pilaris, verruca etc. Several types of injury can produce the Koebner phenomenon such as irritation, physical injury, surgical wound, and sunburn or radiation therapy. We report a case of psoriasis developed by Koebner phenomenon after radiation therapy and this is the first report in Korea. (Korean J Dermatol 2003;41(2) : 264∼266)
홍성신 ( Seong Sin Hong ),고기봉 ( Gi Bong Ko ),임철완 ( Chull Wan Ihm ) 대한피부과학회 2002 대한피부과학회지 Vol.40 No.4
A nine year old boy presented asymptomatic multiple popular lesions for 6 months. Biopsy revealed typical features of xanthogranuloma with Touton type giant cells. Authors observed natural course of the lesions for about 2 years thereafter, which shoved shrinkage of the existing papules in general in spite of newly appearing lesions. Review of the previous casts reported by the no of juvenile xanthogmnuloma showed that the age of the onset of the most of the casts with multiple lesions was before one Year after birth, but adolescent case, were rare. It was also noted that previous cases with such multiple lesions had a course of spontaneous regression regardless of the onset of its are.
문용주,홍성신,윤석권,원지연 대한피부과학회 2003 大韓皮膚科學會誌 Vol.41 No.8
Median raphe canal is an uncommon disease and represents a defect abnormality of the male genitalia. It occurs along the ventral median raphe from the glans penis to the anus. Histologically the canal is lined by stratified squamous epithelium which dose not communicate with the urethra. Surgical excision is the treatment of choice. Recently we observed a 25-year-old male patient who had had a median raphe canal located in the ventral aspect of penis. (Korean J Dermatol 2003;41(8) : 1097~1099)
한찬훈,홍성신,Haan, Chan-Hoon,Hong, Seong-Shin 한국음향학회 2016 韓國音響學會誌 Vol.35 No.3
공동주택단지 및 학교 및 근린시설의 경계방음벽으로 제시한 식생형 방음벽을 설계하고 소음감쇠성능실험을 실시하였다. 본 논문에서 제시한 식생형 방음벽은 일정한 형태의 유닛을 방음벽 형태의 구조물에 걸이식으로 적층하여 구성된 것으로서, 유닛내부에는 식재 및 토양을 포함하고 있다. 이 방음벽의 음향적인 장점은 토양 및 식재를 이용한 흡음뿐만 아니라 확산형상의 방음벽에서 표면 확산으로 인해 음에너지가 분산되어 소음을 저감할 수 있을 것으로 예상된다. 먼저 1/10 축소모형 실험을 통해 소음감쇠성능에 가장 적합한 방음벽 유닛의 크기를 조사하였으며, 설계된 도면에 따라 1/2축척의 식생형 방음벽을 실제높이 2 m, 길이 5 m로 제작하여 소음감쇠실험을 진행하였다. 식물을 담을 수 있는 총 1,137개의 식생블록은 약 $10{\times}10{\times}9cm$ 크기로 합성목재를 활용해 제작하였으며 이 블록들을 방음벽에 설치하여 자립형 구조를 가진 식생형 방음벽을 완성하였다. 연구결과, 평면형 방음벽보다 블록식 방음벽이 약 7 dB 더 높은 삽입손실을 나타냈으며, 식생블록의 크기는 삽입손실효과가 큰 $20{\times}20cm$의 크기가 적정한 것으로 나타났다. Design of a vegetation type sound barrier was presented as a noise barrier on the boundary of neighborhood facilities including schools, and apartments. The suggested noise barrier is made of unit blocks that are to be formed by stacking over the wall structure containing the plant and soils in the blocks. The advantage of the vegetation noise barrier is to acquire not only sound absorptive effects of plants and soils, but also sound diffusive effect caused by the irregular surface of the barrier which could eventually mitigate the noise. First, the optimum size of the units to obtain the highest noise reduction was investigated using 1/10 scaled model experiment, and sound attenuation experiments were carried out using a 1/2 mock-up model which is 2 m high and 5 m long. Total 1,137 unit blocks were made of synthetic woods with the size of $10{\times}10{\times}9cm$. These unit blocks were installed on the both side of the 1/2 mock-up steel framed noise barrier. As a result, it was revealed that the block typed vegetation noise barrier has 7 dB higher insertion loss in comparison with the general plane noise barrier. Also, it was found that the appropriate size of unit blocks is $20{\times}20cm$ which has large effect of sound insertion loss.
고기봉,홍성신,전택환,윤석권,김홍용 대한피부과학회 2001 大韓皮膚科學會誌 Vol.39 No.9
Sebaceous richofolliculoma, which is a variant of trichofolliculoma, is rare disease that clinically show a centrally depressed lesion usually singly on the nose, and histologically a centrally located cavity, lined by squamous epithelium, with nu sebaceous lobules connected to them. We describe diseribe acase of sebaceous trichofolliculoma in a 27 year-old woman who had several brown papules on the nose. We think that this is the first report of sebaceous trichofolliculloma in Korean literature.