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광범위 경색을 동반한 유망의 섬유선종의 압착도말소견 - 1예 보고 -
최석진,이종임,장태정,김기권,김동훈,정병욱,김정란,Choi, Suk-Jin,Lee, Jong-Im,Jang, Tae-Jung,Kim, Ki-Kwon,Kim, Dong-Hoon,Jeoung, Byoung-Ook,Kim, Jung-Ran 대한세포병리학회 1999 대한세포병리학회지 Vol.10 No.2
Spontaneous infarction of fibroadenoma of the breast is very uncommon and may lead to difficulties in clinical and pathological diagnosis. Most reported cases occured in young women during pregnancy or lactation. This report describes imprint cytologic features of an infarcted fibroadenoma in a 19-year-old young woman without evidence of pregnancy. The smears revealed many individually scattered degenerated or necrotic epithelial or spindle stromai cells and naked nuclei on dirty necrotic background. A few sheets of cohesive uniform epithelial cells and a few fragments of stromal cells were also present. Most of the epithelial cells had pyknotic and hyperchromatic nuclei, however, cellular atypism such as pleomorphism, prominent nucleoli or mitosis were not present. Though the necrotic ductular and glandular outline of this case may bear a superficial resemblance to adenocarcinoma, obvious cytologic atypia or mitosis, even in the necrotic areas were not present.
최석진(Suk-Jin Choi),김인호(In-Ho Kim),금지헌(Ji-Hun Kum),조길영(Kil-Young Cho) 한국환경교육학회 2010 環境 敎育 Vol.23 No.3
The purpose of this study was to investigate the perception of designating the environmental education center for researcher, teacher, professor, NGOs. The questionnaire was composed of the introduction of designation, human resources, function, operation, facilities and 131 participated in this survey. According to the results of the study, First, environmental education center is divided into four types(national, municipal A, municipal B, private environmental education center). Second, according to the type, It is necessary to put the difference in each center. Third, the majors and career about environmental education are needed for staff.
Cytologic Evaluation of Adenocarcinoma and its Mimics in Sputum and Bronchial Washings
박인서,최석진,김루시아,한지영,김준미,박정애,주영채,Park, In-Suh,Choi, Suk-Jin,Kim, Lucia,Han, Jee-Young,Kim, Joon-Mee,Park, Jung-Ae,Chu, Young-Chae The Korean Society for Cytopathology 2007 대한세포병리학회지 Vol.18 No.1
Objective : To identify key cytologic features for diagnosis of adenocarcinoma and morphologic differentiation from reactive/reparative respiratory epithelium. Study Design : The cytomorphologic features of 145 pulmonary cytology specimens (sputum and bronchial washing), which included 117 histologically proven adenocarcinomas and 28 non-neoplastic lesions, cytologically diagnosed as atypia and suspicious for malignancy (adenocarcinoma) were reviewed retrospectively. We analyzed 11 morphologic criteria in pulmonary cytologic specimens. Results: Over 110 of 117 cases of adenocarcinomas revealed nuclear membrane irregularities, non-cohesive cells, single atypical cells, moderate to markedly enlarged nuclei and an increased nuclear/cytoplasmic (N/C) ratio. Chromatin clearing, chromatin heterogeneity and hyperchromasia were seen in 102, 99 and 97 cases, respectively. All 28 cases involving non-neoplastic lesions revealed hyperplastic reactive pneumocytes, hyperplastic reactive bronchial epithelium, or degenerating macrophages. The non-neoplastic lesions revealed a small number of atypical cell clusters and paucity or absence of atypical single cells. Conclusion : The most important morphologic features for diagnosis of adenocarcinoma are nuclear membrane irregularities, non-cohesive cells, single atypical cell, moderate to markedly enlarged nuclei and increased N/C ratio. Chromatin clearing, chromatin heterogeneity and hyperchromasia were also helpful features, while pleomorphism and prominent nucleoli were less valuable.
국부 감육과 균열이 발생한 TP316 스테인리스강 배관의 파괴거동에 관한 실험적 연구
정진환,김인태,최석진,최형석,김희성,Cheung, Jin Hwan,Kim, In Tae,Choi, Seock Jin,Choi, Hyung Suk,Kim, Hee Sung 한국강구조학회 2012 韓國鋼構造學會 論文集 Vol.24 No.6
원자력 배관 시스템은 엄격한 설계기준에 따라 제작 되었음에도 불구하고, 장기 사용에 따라 발생하는 감육 및 균열에 의한 파손 사례가 보고되고 있다. 이에 본 연구에서는 스테인리스강 배관 시험체의 단조하중 및 반복하중 재하실험을 실시하여 국부 감육과 균열의 손상유무 및 0%, 35%, 75%의 손상정도가 배관의 파괴거동에 미치는 영향을 실험적으로 검토하였다. 본 실험에서는 실제 원자력 발전소에서 사용되고 있는 직경 3인치 TP316 스테인리스강 엘보우와 직관 배관을 대상으로 하여, 인위적으로 곡관부와 용접부에 0%, 35%, 75%의 국부적인 감육과 균열을 도입하고 20MPa의 내압을 가한 후 재하실험을 실시하였다. 그 결과, 국부 감육 및 균열의 손상정도가 파괴모드, 최대하중, 반복회수 및 에너지흡수율에 미치는 영향을 정량적으로 평가하였다. 그리고 휨 모멘트를 이용하여 ASME의 결함 허용기준을 평가하였다. Although nuclear power plant piping system is designed conforming to design specifications, the piping systems are deteriorated with increase in service life. In this study, monotonic and cyclic loading tests were carried out on TP316 stainless steel pipe specimens, and the effect of local wall thinning and cracking on failure behavior was investigated. In the tests, 0%, 35% and 75% wall thinning and cracking of initial thickness were artificially introduced to inside elbow and straight pipe specimens, and internal pressures of 20MPa were applied to simulate real operation condition. From the test results, the effect of local wall thinning and cracking on failure mode, ultimate load, number of cycle and strain energy was presented, and maximum bending moment was compared with allowable bending moment calculated by ASME code.
일점전개함수에 의한 수소분자의 Force Constants 의 계산
김호징,조웅인,최석진,Kim, Ho-Jing,Choi, Ung-In,Choi, Suk-Jin 대한화학회 1970 대한화학회지 Vol.14 No.1
The quadratic and cubic force constants of hydrogen molecule are calculated by use of the one center function of Bishop. The master formula on which the computation is based was suggested by the previous work of one of the present authors. The results are in good agreement with the experimental values.
박인서,김루시아,최석진,한지영,주영채,최선근,김준미,Park, In-Suh,Kim, Lucia,Choi, Suk-Jin,Han, Jee-Young,Chu, Young-Chae,Choi, Sun-Geun,Kim, Joon-Mee 대한세포병리학회 2005 대한세포병리학회지 Vol.16 No.1
Fibromatosis colli is a benign fibrous tissue proliferation of sternocleidomastoid muscle, which is usually observed during the first month of life, often associated with congenital torticollis. It should be differentiated from other neck masses in infants because the usual initial treatment of fibromatosis celli is conservative management and invasive therapy should be avoided. Fine needle aspiration cytology provides an excellent minimally invasive diagnostic way for evaluation of infantile neck masses. We describe three cases of fibromatosis colli diagnosed by fine needle aspiration cytology. All of them were younger than one month and presented as a neck mass. Clinical impressions were malignant tumors in two cases and fibromatosis colli in one case. Fine needle aspiration cytology revealed benign and mature fibroblasts and atrophic striated muscle fibers. The cytologic diagnosis was fibromatosis colli or benign fibous lesion.
김루시아,한지영,박인서,최석진,김준미,주영채,Kim, Lucia,Han, Jee-Young,Park, In-Suh,Choi, Suk-Jin,Kim, Joon-Mee,Chu, Young-Chae 대한세포병리학회 2007 대한세포병리학회지 Vol.18 No.1
Parathyroid tumors may be difficult to distinguish from thyroid follicular lesions, especially when a tumor is nonfunctioning. We report here two cases of asymptomatic parathyroid carcinoma preoperatively misdiagnosed as thyroid follicular lesions, and one case of parathyroid adenoma showing hyperparathyroidism, and review the cytologic features favoring the diagnosis of parathyroid neoplasm. The cytologic findings that are characterized by clean background, monomorphic small cells, cohesive three-dimensional papillary clusters, small tight clusters with scattered naked nuclei, and well-defined clear cytoplasm favor a diagnosis for the parathyroid lesions. Cytologic findings such as macrofollicular structure, presence of colloid and macrophages, and presence of perivacuolar cytoplasmic granules on May-Grunwald-Giemsa stain support a diagnosis of a thyroid follicular lesion. The cytomorphology of parathyroid tumors is so variable that the distinction from a thyroid lesion cannot be based on the presence or absence of a single feature only but on the cytologic features as a whole.