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Ovarian cancer in a former asbestos textile factory worker
Sunwook Park,Jaechan Park,Eunsoo Lee,Huisu Eom,Mu Young Shin,Jungwon Kim,Dongmug Kang,Sanggil Lee 대한직업환경의학회 2018 대한직업환경의학회지 Vol.30 No.-
Background: The International Agency for Research on Cancer (IARC) defined that asbestos is a group 1 substance that causes lung cancer, mesothelioma (pleura and peritoneum), laryngeal cancer, and ovarian cancer in humans. Many studies on lung cancer, and mesothelioma caused by asbestos exposure have been conducted, but there was no case report of ovarian cancer due to asbestos exposure in Korea. We describe a case of ovarian cancer caused by asbestos exposure in a worker who worked at an asbestos textile factory for 3 years and 7 months in the late 1970s. Case presentation: A 57-year-old woman visited the hospital because she had difficulty urinating. Ovarian cancer was suspected in radiologic examination, and exploratory laparotomy was performed. She was diagnosed with epithelial ovarian cancer. The patient did not undergo postoperative chemotherapy and recovered. She joined the asbestos factory in March 1976 and engaged in asbestos textile twisting and spinning for 1 year, 2 years and 7 months respectively. In addition, she lived near the asbestos factory for more than 20 years. There was no other specificity or family history. Conclusion: Considering the patient’s occupational and environmental history, it is estimated that she had been exposed to asbestos significantly, so we determined that ovarian cancer in the patient is highly correlated with the occupational exposure of asbestos and environmental exposure is a possible cause as well. Social devices are needed to prevent further exposure to asbestos. It is also necessary to recognize that ovarian cancer can occur in workers who have previously been exposed to asbestos, and the education and social compensation for those workers are needed.
Sunwook Park,Jungwon Kim 대한직업환경의학회 2019 대한직업환경의학회지 Vol.31 No.-
Background: We report a case of extensor pollicis longus (EPL) tendon rupture caused by repetitive motions and awkward posture on hand and wrist joints. Case presentation: A 47-year-old right-handed man who worked for 15 years in an assembly line at an automotive manufacturing company has been diagnosed with a complete tear of right EPL tendon. We investigated the patient"s occupational history in detail and evaluated the tasks ergonomically through musculoskeletal risk factors survey and job strain index (JSI) using the 22 task-related videos recorded by the patient. Three out of the 12 tasks (25%) were identified as high-risk work on the hand and wrist in the musculoskeletal risk factors survey in 2016. Among the 22 tasks analyzed by JSI, 11 tasks (50%) were evaluated as probably hazardous. In addition, he used localized vibration tools in 19 (86.4%) out of 22 tasks. Conclusion: We concluded the patient"s disease was probably caused by repetitive motion and improper posture of the hand and wrist, and the hand-arm vibration is a possible cause as well.
항공기 보조동력장치 입구안내익 구동기어의 품질개선에 관한 연구
박성제(Sungjae Park),박선욱(Sunwook Park),서재경(Jaekyoung Suh) 한국항공우주학회 2016 韓國航空宇宙學會誌 Vol.44 No.6
FA-50 항공기 보조동력장치는 추력을 제외한 항공기의 동력을 생성하는 장치로 항공기 감항성 유지를 위해 매우 중요한 요소이다. 또한, 보조동력장치의 입구안내익은 로드압축기로 유입되는 공기 유량을 조절하여 적절한 공기량이 보조동력장치 내부로 공급되도록 유도하는 장치이다. 본 논문에서는 FA-50 항공기 보조동력장치 입구안내익 구동기어에서 발생한 문제점을 바탕으로, 발생원인, 고장탐구결과, 설계개선 내용을 기술하였으며, 개선된 연구에 대해 비행시험검증 결과를 함께 소개한다. Auxiliary Power Unit of FA-50 which provides energy other than propulsion is an important element to maintain airworthiness on aircraft. Also Inlet Guide Vane of Auxiliary Power Unit is a device that supplies appropriate airflow into the Auxiliary Power Unit after adjusting influent airflow into the load compressor. This report, based on the problems occurred the driving gears of Inlet Guide Vane, deals with cause of occurrence, troubleshooting, design improvement and result of test flight verification for FA-50 aircraft Auxiliary Power Unit lifespan.
Cubital Tunnel Syndrome Caused by Anconeus Epitrochlearis Muscle
Park, Il-Jung,Kim, Hyoung-Min,Lee, Jae-Young,Jeong, Changhoon,Kang, Younghoon,Hwang, Sunwook,Sung, Byung-Yoon,Kang, Soo-Hwan The Korean Neurosurgical Society 2018 Journal of Korean neurosurgical society Vol.61 No.5
Objective : We evaluated the clinical manifestation and surgical results following operative treatment of cubital tunnel syndrome (CuTS) caused by anconeus epitrochlearis (AE) muscle. Methods : Among 142 patients who underwent surgery for CuTS from November 2007 to October 2015, 12 were assigned to the AE group based on discovery of AE muscle; 130 patients were assigned to the other group. We analyzed retrospectively; age, sex, dominant hand, symptom duration, and weakness in hand. Severity of the disease was evaluated using the Dellon classification and postoperative symptom were evaluated using disability of arm shoulder and hand (DASH) and visual analogue scale (VAS) scores. Surgery consisted of subfascial anterior transposition following excision of AE muscle. Results : AE muscle was present in 8.5% of all patients, and was more common in patients who were younger and with involvement of their dominant hand; the duration of symptom was shorter in patients with AE muscle. All patients showed postoperative improvement in symptoms according to DASH and VAS scores. Conclusion : The possibility of CuTS caused by AE muscle should be considered when younger patients have rapidly aggravated and activity-related cubital tunnel symptoms with a palpable mass in the cubital tunnel area. Excision of AE muscle and anterior ulnar nerve transposition may be considered effective surgical treatment.
박선욱 디자인 여성학회 2006 디자인여성학연구 Vol.2 No.1
물리 공간과 전자 공간의 한계를 동시에 극복하여 이전과는 다른 환경을 제공하게 될 유비쿼터스 혁명은 이미 각 분야로부터 미래의 새로운 패러다임으로 주목받고 있다. 이는 디자인에 있어서도 다양한 물리적 변화를 예고함은 물론 개념의 전환으로 이전 시대의 한계를 극복하고 새로운 가능성을 시사할 것으로 기대되는 바이다. 그러므로 유비쿼터스 시대의 디자인에 대한 다각적인 입장에서의 검토와 연구 또한 시급히 요청된다. 본 연구는 유비쿼터스 시대의 디자인을 여성의 입장에서 전망해보고자 한다. 이미 여성은 소비재 뿐 아니라 산업재까지 거의 모든 종류의 구매에서 유일하고 주도적인 의사결정자로 주목받고 있다. 그러나 여전히 성적 차이에 기인하는 고정관념으로 인해 디자인과 여성을 둘러싼 다양한 문제들이 제기되고 있다. 이러한 현실의 대안적 측면에서 유비쿼터스 시대의 특성과 여성 디자인의 가능성을 고찰하고자 한다. 유비쿼터스 시대에서 여성은 테크놀로지에 대한 컴플렉스를 극복하고 여성의 관계지향적 성향을 활용하고, 실천적 아이디어 제공자로서 역할하게 될 것이다. 이는 비단 디자인과 여성의 한계를 극복하기 위한 대안으로서 뿐 아니라, 유비쿼터스 디자인의 개념 정립에도 기여하게 될 것이다. 본 연구에서는 담론의 제안을 주목적으로 하고 있기 때문에 향후 연구에서 구체적인 실천방안의 모색을 시도해야 할 것이다. The ubiquitous revolution is drawing attentions as a new paradigm for the future in very field, which can provide new environments and overcome the limit of physical space and cyber space. This predicts various formal changes in design as well as new conceptual change which overcome the limit of old ages, and provides new opportunity, therefore consideration and research from diverse perspectivesin the design of ubiquitous era are strongly required. This paper tries to outlook the design in ubiquitous era from women's standpoint. Women are already regarded as dominant decision makers in even' decision making for the purchase of consumer goods as well as industry goods. However, many issues are put forward regarding the design and women due to old view regarding the gender difference, I consider the characteristics or ubiquitous era and possibility of female design as a alternatives of current methodologies. Women in ubiquitous age will overcome the complex to the technologies, make use of female relation-oriented attitude, and serve as providers of practical ideas, In this way, we can provide alternative to overcome the limit of women and design, and contribute to the formation of ubiquitous design concept. We also need to pursue concrete action items in the following research, since proposal of new issue is primer concern in this paper.