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피부과로 의뢰된 정신건강의학과 입원환자에 대한 임상양상 분석
황상현 ( Sang Hyeon Hwang ),남재희 ( Jae Hui Nam ),박지혜 ( Ji Hye Park ),이가영 ( Ga Young Lee ),김원석 ( Won Serk Kim ) 대한피부과학회 2015 대한피부과학회지 Vol.53 No.5
Background: Many patients seeking treatment for skin disorders have an underlying psychiatric problem that either causes or exacerbates a skin condition; thus, the demand for dermatologists` expert opinions on such cases is increasing. Objective: The purpose of this study was to analyze and quantify the pattern of dermatologic consultations referred by the department of neuropsychiatry in a tertiary hospital. Methods: We retrospectively studied data from 337 inpatients referred by the department of neuropsychiatry for dermatologic consultation during an 8.5-year period in a tertiary hospital. Results: The percentage of department of neuropsychiatry patients who were referred to the department of dermatology for consultation was 15.3%. The most prevalent age group for referrals was 30∼39 years (26.4%), and the male-to-female ratio was 1:1.6. Bipolar disorder was the most common underlying neuropsychiatric problem (31.1%), and eczema (36.5%) was the most common dermatoses, followed by infectious disease (27.6%). The main reasons for dermatologic consultations were dermatologic disease (71.5%) and treatment-related dermatoses (10.1%). Thirty-five cases were discordant as to the reason for consultation between psychiatrists and dermatologists. Neuropsychiatric medication-related adverse reactions were reported in 9.8% of referred patients. Conclusion: This study revealed the distribution of skin disorders in patients referred by department of neuropsychiatry for dermatologic consultation. We believe its findings could be helpful as educational material to encourage cooperation between the specialties of dermatology and neuropsychiatry. (Korean J Dermatol 2015;53(5): 359∼365)
소세포아형 원발성 피부 CD30 양성 역행성 대세포 림프종
민정 ( Jung Min ),김한샘 ( Han Saem Kim ),황상현 ( Sang Hyeon Hwang ),이현주 ( Heun Joo Lee ),남재희 ( Jae Hui Nam ),정호주 ( Ho-joo Jung ),박지혜 ( Ji-hye Park ),이가영 ( Ga-young Lee ),김원석 ( Won-serk Kim ) 대한피부과학회 2015 대한피부과학회지 Vol.53 No.4
Primary cutaneous anaplastic large cell lymphoma (PCALCL) is a rare cutaneous T-cell lymphoma. Most cases are composed of large anaplastic cells. However, it presents a wide spectrum of histologic patterns. In the small cell variant, a small-sized pleomorphic cell morphology can be seen. A 74-year-old woman presented with an 8-month history of asymptomatic ulcerative plaque and satellite nodule on the right calf. Her past medical history was not specific. The histologic findings on punch biopsy specimens showed a malignant small round cell tumor on both lesions. The tumor cells had large pleomorphic nuclei with multinucleation and some eosinophilic cytoplasm. We performed immunohistochemical staining to rule out neuroectodermal tumor, neuroendocrine tumor, melanoma, lymphoma, and so on. However, the staining results were negative for pancytokeratin, CD3, CD20, CD99, chromogranin A, synaptophysin, CD56, ALK, HMB45, desmin, kappa, lambda, myoglobin, and S-100 protein. CT, MRI, and PET-CT were negative for extracutaneous involvement. Total excision was done, and additional immunohistochemical staining was performed to confirm the origin of the tumor. Staining results for vimentin, LCA, CD4, and CD30 were positive. We c oncluded that these findings were consistent with the small cell variant CD30+PCALCL, which occurs rarely. (Korean J Dermatol 2015;53(4):304∼309)
폐렴구균 예방접종 이후 발생한 국소 및 전신피부이상반응
김한샘 ( Han Saem Kim ),민정 ( Jung Min ),황상현 ( Sang Hyeon Hwang ),이현주 ( Heun Joo Lee ),정호주 ( Ho Joo Jung ),남재희 ( Jae Hui Nam ),박지혜 ( Ji Hye Park ),이가영 ( Ga Young Lee ),김원석 ( Won Serk Kim ) 대한피부과학회 2016 대한피부과학회지 Vol.54 No.2
Pneumococcus is the most frequently encountered causative pathogen in community-acquired pneumonia in elderly patients. The pneumococcal polysaccharide vaccine (PPV23) is widely used for preventing pneumococcal diseases in adults. PPV23 is relatively safe; however, some cutaneous adverse reactions, including localized mild inflammation associated with erythema, a sensation of heat, and tenderness, have been reported. Systemic reactions such as myalgia, arthralgia, and headache have also been reported, though severe adverse reactions are rare. In the Korean literature, a case of localized toxic reaction near the injection site after pneumococcal conjugate vaccine (PCV13) administration was previously reported. However, there are no published reports of a generalized skin rash after PPV23. Herein, we report a case of PPV23-induced generalized skin rash on the face, neck, upper trunk, and both arms with a local adverse reaction at the injection site after vaccination. (Korean J Dermatol 2016;54(2):129∼132)
전기로 산화슬래그 콘크리트의 물-시멘트비에 따른 굳지 않은 콘크리트의 기계적 성능
임희섭 ( Lim Hee Seob ),권성준 ( Kwon Seung Jun ),윤용식 ( Yoon Yong Sik ),황상현 ( Hwang Sang Hyeon ),조성준 ( Cho Sung Jun ) 한국구조물진단유지관리공학회 2018 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.22 No.1
In this paper, the mechanical properties of fresh concrete were evaluated by using electric arc furnace oxidizing slag(EOS) aggregate. Water-Cement(W/C) ratio was selected as 0.45 and 0.30, and the mixing amount of EOS aggregate as 0%, 50%, 100%. Experimental items of fresh concrete were slump, flow, air content, unit volume weight. As a results, As the mixing amount of EOS aggregate increased, the slump and flow increased but the air content decreased.
전기로 산화슬래그 잔골재 치환율에 따른 GGBFS 혼입 콘크리트의 기계적 성능에 관한 연구
임희섭 ( Lim Hee Seob ),권성준 ( Kwon Seung Jun ),윤용식 ( Yoon Yong Sik ),황상현 ( Hwang Sang Hyeon ),조성준 ( Cho Sung Jun ) 한국구조물진단유지관리공학회 2018 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.22 No.2
In this paper, the mechanical properties of GGBFS concrete according to the replacement ratio of electric arc furnace oxidizing slag fine aggregate was evaluated. As the replacement rate of EOS fine aggregate increased, the amount of slump and air content decreased. In addition, EOS concrete increased the initial compressive strength, but, it tended to decrease at 28 days.
내구성 설계 변수의 변화에 따른 목표내구수명을 위한 최적 고로슬래그 미분말 치환률의 도출
장승엽 ( Jang Seung Yup ),윤용식 ( Yoon Yong Sik ),이학수 ( Lee Hak Soo ),황상현 ( Hwang Sang Hyeon ),권성준 ( Kwon Seung Jun ) 한국구조물진단유지관리공학회 2018 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.22 No.1
In this paper, the changing of durability design variables such as cover depth, surface chloride content, and replacement ratio of GGBFS are considered, and optimum substitution ratio of GGBFS are derived with intended service life. With increasing cover depth, service life increased by 2.78~3.21 times. Cover depth is the most influencing parameters of those in this study. For reasonable durability design of concrete, quantitative exterior condition and critical chloride content should be determined.
전기로 산화슬래그 혼입 콘크리트의 물-시멘트비에 따른 경화 콘크리트의 기계적 성능
임희섭 ( Lim Hee Seob ),권성준 ( Kwon Seung Jun ),윤용식 ( Yoon Yong Sik ),황상현 ( Hwang Sang Hyeon ),조성준 ( Cho Sung Jun ) 한국구조물진단유지관리공학회 2018 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.22 No.1
In this paper, the mechanical properties of hardened concrete were evaluated by using electric arc furnace oxidizing slag(EOS) aggregate. Water-Cement(W/C) ratio was selected as 0.45 and 0.30, and the mixing amount of EOS aggregate as 0%, 50%, 100%. Experiments were carried out to compare the unit volume weights by concrete mixing, and the compressive strength test was carried out at 28 days of age. The unit volume weight and compressive strength of the EOS aggregate increased as the amount of the mixture increased. It also shows the difference according to the W/C ratio.