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전신 침범 없이 피부 소견만을 보인 탄력섬유 거짓황색종
장민수 ( Min Soo Jang ),강동영 ( Dong Young Kang ),강진석 ( Jin Seuk Kang ),백재우 ( Jae Woo Baek ),김상태 ( Sang Tae Kim ),서기석 ( Kee Suck Suh ) 대한피부과학회 2011 대한피부과학회지 Vol.49 No.1
Pseudoxanthoma elasticum (PXE) is a heritable disorder of elastic tissue and it has many systemic manifestations. PXE is a systemic disorder that most markedly affects the elastic tissues in the skin, retina and blood vessels. Defects in the ABCC6 gene lead to calcification of elastic tissue. We herein report on two cases of pseudoxanthoma elasticum that presented with focal involvement on the skin of the neck without marked wrinkling. (Korean J Dermatol 2011;49(1):53~57)
얼굴의 다발성 경화 섬유종을 동반한 Cowden 증후군
김상태 ( Sang Tae Kim ),강동영 ( Dong Young Kang ),강진석 ( Jin Seuk Kang ),백재우 ( Jae Woo Baek ),전영승 ( Young Seung Jeon ),서기석 ( Kee Suck Suh ) 대한피부과학회 2010 大韓皮膚科學會誌 Vol.48 No.12
Cowden syndrome (CS) is a rare genodermatosis that is characterized by multiple hamartomatous tumors of an ectodermal, mesodermal and endodermal origin. CS is associated with an increased risk of malignancy and especially breast cancer, thyroid cancer, uterine cancer and renal cell carcinoma. The characteristic features of the disease are mucocutaneous findings, including multiple facial trichilemmomas, oral mucosal papillomatosis and acral keratoses. Multiple sclerotic fibroma is also known to be a clue to diagnose CS. We herein emphasize that multiple sclerotic fibromas of the skin are an important marker of CS, which may also be helpful for making an early diagnosis. (Korean J Dermatol 2010;48(12):1136∼1139)
만성 습진 환자의 찰과상 병변에서 발생한 Botryomycosis
김상태 ( Sang Tae Kim ),강동영 ( Dong Young Kang ),강진석 ( Jin Seuk Kang ),백재우 ( Jae Woo Baek ),전영승 ( Young Seung Jeon ),서기석 ( Kee Suck Suh ) 대한피부과학회 2010 大韓皮膚科學會誌 Vol.48 No.11
Botryomycosis is a chronic, granulomatous and suppurative infection. The skin is the most frequently affected organ. The most common species is Staphylococcus aureus, followed by Pseudomonas aeruginosa. Clinically, the skin lesions most commonly affect the hands and feet and they can appear as nodules, ulcers, sinuses, fistulae and verrucous plaques. Histopathologic examination reveals grains with surrounding eosinophilic material and inflammatory cells. We report here on a case of botryomycosis at the excoriation site in a 90-year-old female patient with chronic eczema. (Korean J Dermatol 2010;48(11):1041∼1043)
전동식 조향 장치용 ECU 의 환경 내구 시험 시간 단축을 위한 설계 검증 시험 사양 변경 사례
김태훈(Tae-Hun Kim),강동영(Dong-Young Kang),정인승(In-Seung Chung) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.11
This paper suggests an example of modification of the durability test specifications of electronic control unit for an automotive system in phase of design validation. The basic concept to redefine the specifications of durability test is based on the Arrhenius relationship for accelerated temperature test and the modified Coffin-Manson model for temperature cycle test. The ambient temperature of the powered-event durability test is increased to reduce the required test time of the current specification. Furthermore, the holding time between the events to cool down the temperature of the components is shortened and the resultant temperature rise affects the durability of the components. Thus, the acceleration factor due to the increased temperature range of temperature cycle is also estimated by the modified Coffin-Manson model.
거동이 불편한 환자에서 발생한 Acute Edema Blisters
김상태 ( Sang Tae Kim ),강동영 ( Dong Young Kang ),강진석 ( Jin Seuk Kang ),백재우 ( Jae Woo Baek ),전영승 ( Young Seung Jeon ),서기석 ( Kee Suck Suh ) 대한피부과학회 2010 대한피부과학회지 Vol.48 No.12
Edema blisters is an acute bullous disease that occurs following acute lower leg edema in patients with heart, renal and liver disease. Most of the affected patients are elderly, immobile and have been hospitalized for a long time. These clinical situations are commonly observed, but this can be misdiagnosed as other bullous diseases, especially friction blisters and bullous pemphigoid. We herein report a case of acute edema blisters in a 74-year-old female who presented with a tense bullae based on an edematous lower leg. (Korean J Dermatol 2010;48(12):1094∼1096)