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宋周鎬,李昌岬,洪元杓,孟琦錫,任洪彬,李廷玟,李載元,李來烈,權五憲,金振淳,李文洙 충남대학교 공업교육연구소 1982 論文集 Vol.5 No.1
This paper aims at providing a concrete plan to improve technical and vocational teacher education in the College of Industrial Education of Chungnam National University. It is intended to propose a practical four-year regular and short-term course. Also, the estimated required facilities is included in this study as well as their management. The main conclusions and recommendations are summarized as follows; 1) The numbers of students enrollment should be reduced to 220 students which is the approximate number of future demand. 2) In order to offer to the students a broader education and to cope with the increase/decrease in demand of technical and vocational teacher within a specific field, the 8 department existing at the present (Department of Architecture Engineering Education, Civil Eng. Educ., Metallurgical Eng. Educ., Mechanical Eng. .Educ., Electrical Eng. Educ., Electronic Eng. Educ., Industrial Chemistry Educ. and Industrial Technology Educ.) would be combined into 5 (Department of Construction Engineering Education, Mechanical Eng. Educ., Electrical Eng. Educ., Industrial Chemistry Educ. and Industrial Technology Educ.). 3) The short-term course program is recommened to provide additional training and education to those candidates who already have experience in technical fields to meet an occasional demand. 4) It is necessary to add the Teaching Profession Section in the administrative organization of the College.
[P336] Generalized cutaneous angiosarcoma associated with multiple myeloma
( Jeong Won Jo ),( Young Bin Shin ),( Hae Bong Jeong ),( Yun Sun Moon ),( Do Seon Jeong ),( Eui Chang Jung ),( Chi Yeon Kim ),( Tae Jin Yoon ) 대한피부과학회 2017 대한피부과학회 학술발표대회집 Vol.69 No.1
Cutaneous angiosarcoma is a rare, malignant, vascular neoplasm of the skin commonly diagnosed in the head and neck regions. It arises infrequently in the lower extremity. In most cases, the exact etiology of cutaneous angiosarcoma is unclear. Recently, gene amplifications, especially MYC gene, have been identified as a new etiopathogenesis of angiosarcoma. MYC amplification may induce aberrant angiogenic phenotypes allowing the onset of the malignancy. Meanwhile, in multiple myeloma, MYC is activated and contributes to the malignant phenotype. Therefore, there is a possibility that MYC gene might be the common cause of angiosarcoma and multiple myeloma. Herein, we present the rare case of cutaneous angiosarcoma on lower extremity accompanied by multiple myeloma. An 85-year-old woman visited our department with multiple brownish to black colored nodules with hyperkeratotic crust, which were 0.3 to 0.8 cm in diameter, on the both feet and toes. The excisional biopsy was performed and a diagnosis of cutaneous angiosarcoma was made. At the time of visit, anemia, azotemia, proteinuria and hematuria were found. Immunofixation electrophoresis and bone marrow were performed, so multiple myeloma was diagnosed. We suspected carefully that MYC gene might be the common cause of angiosarcoma and multiple myeloma.
[P046] Erythema multiforme with atypical clinical features
( Jeong Won Jo ),( Young Bin Shin ),( Hae Bong Jeong ),( Yun Sun Moon ),( Do Seon Jeong ),( Eui Chang Jung ),( Chi Yeon Kim ),( Tae Jin Yoon ) 대한피부과학회 2017 대한피부과학회 학술발표대회집 Vol.69 No.1
Erythema multiforme (EM) is a hypersensitivity reaction characterized by targetoid skin lesions with or without erosions of mucosal surfaces. An acute, self-limiting or episodic course and the presence of targetoid lesions, raised atypical papules or mucosal involvement, are the important clues to diagnose with EM. Laboratory studies and skin biopsies are not required in all cases of EM. EM has been classified into a number of variants, mainly minor and major forms. In the case of general EM major, the mucosal lesions as well as the cutaneous lesions are also more severe and cover a wide range of skin surface. However, we examined a case of EM with atypical clinical features. Unlike general EM major, the cutaneous lesions of our patient were mild and limited to hands and feet that uncommonly involved, although the erosive lesions of oral and genital mucosa were severe. This atypical feature caused misdiagnosis to hand, foot and mouth disease and led to delay proper treatment. In conclusion, we should be recognized that there is a case of EM with atypical clinical features and refer to it when diagnosing.
[P044] A case of pretibial thyroid dermopathy
( Jeong Won Jo ),( Young Bin Shin ),( Hae Bong Jeong ),( Yun Sun Moon ),( Do Seon Jeong ),( Eui Chang Jung ),( Chi Yeon Kim ),( Tae Jin Yoon ) 대한피부과학회 2017 대한피부과학회 학술발표대회집 Vol.69 No.1
Pretibial myxedema(PM) is a dermatological manifestation of Graves` disease, which commonly presents as diffuse, non-pitting edema of shins and less often as plaques, nodules, or elephantiasis lesions mimicking lymphedema. Most common site is pretibial area and localized thickening of the pretibial skin causes deposition of acid mucopolysaccharides. There are 7 cases of pretibial myxedema reported in domestic dermatology literature. The only four of cases occurred after treatment of hyperthyroidism like that our case. Herein, we report a case of pretibial myxedema with Grave`s disease and Grave`s ophthalmopathy. A 51-year-old male visited our department with multiple erythematous patches and nodules on Lt. pretibial area. He had been diagnosed with Grave`s disease 6 months ago and Grave`s ophthalmopathy 3 months ago. The incisional biopsy on Lt. pretibial area showed mucinosis in dermis with perivascular lymphocytic infiltration. The lesions improved after steroid intralesional injection. For persisted local lesions despite improvement of systemic symptoms, we propose that the steroid intralesional injection may be an alternative to treatment.
Moon, Jeong Hyun,Eom, Da Il,No, Sang Yong,Song, Ho Keun,Yim, Jeong Hyuk,Na, Hoon Joo,Lee, Jae Bin,Kim, Hyeong Joon Trans Tech Publications, Ltd. 2006 Materials science forum Vol.527 No.-
<P>The La2O3 and Al2O3/La2O3 layers were grown on 4H-SiC by atomic layer deposition (ALD) method. The electrical properties of La2O3 on 4H-SiC were examined using metal-insulator-semiconductor (MIS) structures of Pt/La2O3(18nm)/4H-SiC and Pt/Al2O3(10nm)/La2O3(5nm)/4H-SiC. For the Pt/La2O3(18nm)/4H-SiC structure, even though the leakage current density was slightly reduced after the rapid thermal annealing at 500 oC, accumulation capacitance was gradually increased with increasing bias voltage due to a high leakage current. On the other hand, since the leakage current in the accumulation regime was decreased for the Pt/Al2O3/La2O3/4H-SiC MIS structure owing to the capped Al2O3 layer, the capacitance was saturated. But the saturation capacitance was strongly dependent on frequency, indicating a leaky interfacial layer formed between the La2O3 and SiC during the fabrication process of Pt/Al2O3(10nm)/ La2O3(5nm)/ 4H-SiC structure.</P>
A survey of knowledge and behavior regarding self examination of skin cancer
( Jeong Won Jo ),( Young Bin Shin ),( Hae Bong Jeong ),( Yun Sun Moon ),( Do Seon Jeong ),( Chi Yeon Kim ),( Tae Jin Yoon ) 대한피부과학회 2017 대한피부과학회 학술발표대회집 Vol.69 No.2
Background: The recognition of self examination of cancer has increased more than before. Although skin cancers are almost always curable when found and removed early, most patients are little known about general awareness of skin cancer. Objectives: In this study, we survey on satisfaction of clinic education to the 40 patients treated with skin cancer and affection to behavioral change. Methods: We reviewed a written questionnaire and patients’ self-examination records including patients’ age, method of self-examination, and skin check point. Results: The most patients replay (90%, 36/40) and want to know the warning signs of skin cancer and what to look for during the self-examination (88%, 32/36). The results show the most of patients want to help you make the next your dermatologist’s appointment (81%, 29/36). At time of check self-examination, the patients use the record paper prepared from our clinic (69.4%, 25/36). Conclusion: Although the patients treated with precancer and cancer area aware that the risk of skin cancer and they want to know about self-examination of skin cancer. Therefore, most popular skin cancer education and prevention program include self-skin examination is more required and dermatologist should play a major role in this action.
[P337] Multiple skin tumors arising from a lesion of disseminated superficial actinic porokeratosis
( Young Bin Shin ),( Jeong Won Jo ),( Hae Bong Jeong ),( Yun Sun Moon ),( Do Seon Jeong ),( Eui Chang Jung ),( Chi Yeon Kim ),( Tae Jin Yoon ) 대한피부과학회 2017 대한피부과학회 학술발표대회집 Vol.69 No.1
Porokeratosis (PK) is a clonal epidermal disorder of keratinization characterized by annular lesions with an atrophic center and a hyperkeratotic edge. Six clinical variants are recognized. Among them, disseminated superficial actinic porokeratosis (DSAP) is characterized by the presence of multiple ring-shaped, keratotic and anhidrotic lesions of 0.5-1 cm in size, symmetrically distributed in light-exposed areas. A relationship between these lesions and malignancy was established by Taylor, who found a chromosomal instability in fibroblast cultures from PK lesions. The incidence of malignant degeneration in PK is approximately 7%, with large lesions, longstanding duration, the linear type and previous ionizing radiation being the greatest risk factors. We herein report a case of multiple skin tumors arising from a lesion of DSAP. A 78-year-old female presented with multiple brownish to black colored annular patches which began about 20 years previously and multiple black colored hyperkeratotic papules which began about 2 years ago. The histopathological findings of several biopsies had the characteristics of squamous cell carcinoma, squamous cell papilloma, keratoacanthoma including DSAP. We thought the long duration and large size of the DSAP lesions could be the risk factor of malignant degeneration.
[P509] Lichen planus pigmentosus presenting with flexural area
( Young Bin Shin ),( Jeong Won Jo ),( Hae Bong Jeong ),( Yun Sun Moon ),( Do Seon Jeong ),( Eui Chang Jung ),( Chi Yeon Kim ),( Tae Jin Yoon ) 대한피부과학회 2017 대한피부과학회 학술발표대회집 Vol.69 No.1
Lichen planus pigmentosus (LPP) is an uncommon variant of lichen planus that tends to occur in middle-aged individuals with darker pigmented skin. Clinical findings include hyperpigmented, brown to gray-brown macules and patches on sun-exposed areas and, in the rare inversus variant, on the flexural areas and intertriginous zones. The pattern of pigmentation is generally diffuse, although follicular, reticular, and unilateral linear variants have been described. We recently encountered a rare case of LPP developed in flexural area, not in sun-exposed area. A 58-year-old male patient presented with brown macules on the inguinal area for 6 months. One or two dark brown macules first appeared and spread gradually. A physical examination showed multiple, ill-defined, dark brown macules on inguinal area. The dermoscopic finding showed mottled pattern and elevated margin. The incisional biopsy was performed and a diagnosis of LPP was made. The fact that LPP can develop in non-sun-exposed areas as well as sun-exposed ones requires a new hypothesis for the pathogenesis of LPP.
A survey of knowledge and behavior regarding skin cancer.
( Young Bin Shin ),( Jeong Won Jo ),( Hae Bong Jeong ),( Yun Sun Moon ),( Do Seon Jeong ),( Chi Yeon Kim ),( Tae Jin Yoon ) 대한피부과학회 2017 대한피부과학회 학술발표대회집 Vol.69 No.2
Background: The recognition of prevention and early detection of skin cancer has been increased more than before. Although skin cancer is not rare, most patients are little known about general awareness of skin cancer. Objectives: In this study, we survey the awareness and knowledge of skin cancer and sun protection behavior among South-Gyeongnam province. Methods: We reviewed a written questionnaire and patients’ self-checked records including patients’ basic medical information and knowledge of skin cancer protective modalities. Results: In total 284 subjects (94.7%(284/300), 67%(190/284) females, mean age 57.4 years) completed the survey. Most people (77.5%, 220/284) knew that the sun was most dangerous for their skin but relatively large portion of them (42.7%, 94/220) had no action to protective attitude like sun screen, large hat and gloves. Conclusion: The results show that many participants had known necessity of skin cancer prevention and importance of early detection, but didn’t have had any protective action. Therefore, a more effective skin cancer education and prevention program is needed. We suggest that the measurement of effects of a multimodal educational intervention on knowledge of sun protection practices and engagement in self sun-protection behaviors also need to be check.