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이승동 ( Seung Dong Lee ),이지현 ( Ji Hyun Lee ),김경문 ( Kyoung Moon Kim ),유동수 ( Dong Soo Yu ),박철종 ( Chul Jong Park ),박영민 ( Young Min Park ),조상현 ( Sang Hyun Cho ),이준영 ( Jun Young Lee ),강훈 ( Hoon Kang ) 대한피부과학회 2008 대한피부과학회지 Vol.46 No.8
Background: Pyoderma gangrenosum (PG) is a rare noninfectious skin disorder characterized by chronic recurrent painful ulcers. Because of its low incidence and diagnostic difficulty, there were few comprehensive studies of the clinical features of PG in Korea. Objective: Our purpose was to delineate the clinical features of PG. Methods: 22 patients who presented with PG at 6 hospitals of Catholic Medical Center over ten years were enrolled in this study. We reviewed all medical records of the patients. Results: The mean age was 47.9 years. The male to female ratio was 1:1.4. Cases in children account for 2 out of twenty two. Sixty-one percent of the patients had lesions on their lower legs. The typical ulcerative variant was found in 19 patients, bullous PG in 3 patients. An association with other internal diseases was noted in 9 patients. Two cases were developed in heavy alcoholics. 15 patients were treated with systemic corticosteroid, 12 cases with systemic corticosteroid only, one case with systemic corticosteroid and cyclosporine, one case with systemic corticosteroid and dapsone, one case with systemic corticosteroid, cyclosporine and colchicine. 1 patient was treated with cyclosporine and colchicine, 1 patient with colchcine, rifampicin and antibiotics. Five cases were treated with antibiotics only. In the only systemic corticosteroid therapeutic group, the response rate was 83%. 3 patients experienced recurrence and 3 patients showed positive pathergy reactions. Conclusion: PG is a rare disease with the ulcerative variant being most frequent. The lower legs were the most commonly affected sites. PG was accompanied with systemic disease in 46% of the cases. Comparing with foreign literature, the response rate of treatments was generally fine and the recurrence rate was low. (Korean J Dermatol 2008;46(8):1028~1035)
Hinged Turnover Flap을 이용한 비익부 결손의 재건
권현조 ( Hyun Jo Kwon ),유동수 ( Dong Soo Yu ),김진우 ( Jin Wou Kim ) 대한피부과학회 2006 대한피부과학회지 Vol.44 No.5
Surgical remedy of nasal ala present a challenge to the reconstructive surgeon. As ala have anatomic complexity and a paired structure, reconstruction must be precise and aesthetically acceptable. The reconstruction of full-thickness ala defects often require staged surgical procedures, and they can introduce operational risks and consume extraordinary time and cost. However, a hinged turnover flap can offer a one-stage repair of full-thickness ala defects. With this procedure, satisfactory ala reconstruction was achieved in one step, and good aesthetic and functional results were obtained. (Korean J Dermatol 2006;44(5):593~596)
한국인 소아기 및 성인기 아토피피부염 역학조사를 위한 진단적 설문지
임희진 ( Hee Jin Lim ),유동수 ( Dong Soo Yu ),김진우 ( Jin Wou Kim ) 대한피부과학회 2008 대한피부과학회지 Vol.46 No.11
Background: Atopic dermatitis is reported to have recently increased, but it is difficult to systematically perform epidemiologic studies of atopic dermatitis. Objective: The purpose of the present study was to create a diagnostic questionnaire for epidemiologic studies of childhood and adult atopic dermatitis in Korea. Methods: We made up the items that were necessary for the diagnosis of atopic dermatitis in Korea on the basis of Hanifin and Rajka`s guidelines and the published Korean journals. We established the diagnostic questionnaire for the epidemiologic studies of childhood and adult atopic dermatitis in Korea. Results: A total of 19 questions were selected for the diagnostic questionnaire. Among them, 4 questions are related to the major diagnostic criteria for atopic dermatitis, and 15 questions are related to the minor diagnostic criteria for atopic dermatitis. Conclusion: We propose that this diagnostic questionnaire would be an efficient and convenient method to perform epidemiologic studies on childhood and adult atopic dermatitis in Korea. (Korean J Dermatol 2008; 46(11): 1495∼ 1499)
유화정 ( Hwa Jung Ryu ),유동수 ( Dong Soo Yu ),오칠환 ( Chil Hwan Oh ) 대한피부과학회 2003 대한피부과학회지 Vol.41 No.4
N/A Background : In September 2002, typhoon RUSA brought heavy rains to pans of Kangwondo province. The river rose above the flood stage, and muddy water covered many houses. Along the damaged infrastructures, there were many patients who needed medical care. Among them, a significant portion had dermatologic problems. Objective : The aim of this study was to find out the relationship between the floods and skin diseases. The other purpese was to evaluate how the floods can affect the distribution of dermatoses. Methods : The 177 dermatology Patients who were flood victims were analyzed according to their sexs, age, and their diseases. Results : The results can be summarized as follows. Among 757 patients who were registered to special clinic for flood victims, 177 were seen in dermatology department. Although dermatology Patients increased compared to ordinary times, the proportion of them decreased compared to that of flood victims in northern Kyonggi-do in 1998. In the second group of patients who were seen from September 11th to 13th , the proportion of dermatology patients were increased to 23.0% compared to the first group of Patients who were seen from September 4th to 6th(12.6%). In age distribution, the most frequent age groups were 3rd decade(24.3%), 4th decade(35.9%), 5th decade(25.4%) amounting to 85.6% of the total dermatology patients. The ratio of male to female was 1:2.1. The four most common dermatoses were eczematous dermatoses, superficial fungal infections, pruritus & urticaria, and infectious dermatoses. The most commonly used medications were oral antihistamines and topical steroids. Conclusion : The most common skin diseases among flood victims were eczematous dermatoses. It was contradictory finding compared to the victims of northern Kyunggido floods in 1998 who showed superficial fungal infection most commonly. (Korean J Dermatol 2003;41(4) : 461~465)
홍성욱 ( Sung-uk Hong ),유태규 ( Tae-gyu Yoo ),정진헌 ( Jin-heon Jeong ),유동수 ( Dong-soo Yu ) 한국정보처리학회 2017 한국정보처리학회 학술대회논문집 Vol.24 No.2
얼굴인식을 통한 통합 교통관리 시스템은 현재 횡단보도 신호등에 대한 단점을 보완하여 보행자와 차량 양측의 대기시간을 최소화 함을 목적으로 한다. 주된 기술은 영상처리이며 얼굴인식을 위해 사용된다. 또한 중앙서버를 구축하여 각 교차로나 신호등간의 정보를 취합 할 수 있으며 이를 활용하여 차량통행 및 보행자의 통행이 원활하게 할 수 있다.
우상혁 ( Sang Hyuk Woo ),황을상 ( Eul Sang Hwang ),김상백 ( Sang Baik Kim ),유동수 ( Dong Soo Yu ),김일환 ( Il Hwan Kim ) 대한피부과학회 2003 대한피부과학회지 Vol.41 No.3
A bolster, simply defined, is any device used to support or cushion. In surgery, bolsters have been used under sutures to reduce skin and subcutaneous tension. Bolsters function to reduce the potential for necrosis and laceration by distributing the wound
Tenzel 피판을 이용한 아랫눈꺼풀의 전층 결손 복원 1예
배정민 ( Jung Min Bae ),김진우 ( Jin Wou Kim ),유동수 ( Dong Soo Yu ) 대한피부과학회 2008 대한피부과학회지 Vol.46 No.12
Because the width of the intact eyelid is narrow, tumor removal with a 5 mm or greater margin is not amenable to direct closure. A semicircular flap, first described by Tenzel in 1975, has been widely used for eyelid reconstruction, although it may be unfamiliar to dermatologists. The flap is made by creating a semicircular skin-muscle flap laterally, performing a lateral canthotomy and inferior cantholysis, cutting the lateral attachments of the septum and then advancing the flap medially to close the defect. The advantage of the semicircular flap is that defect closure is possible while maintaining the lid and its lashes. In addition, it is a one-step procedure, which is simple and efficient. We present a case of basal cell carcinoma that involved the skin of the left lower eyelid. The defect measured 0.9 cm in breadth. After a wide excision, it was successfully managed using a Tenzel flap with excellent cosmetic and functional results. (Korean J Dermatol 2008;46(12):1667∼1669)