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이철민,신연명,Lee, Chul-Min,Shin, Yeon-Myung 대한위암학회 2008 대한위암학회지 Vol.8 No.4
목적: 위에 발생하는 신경내분비 종양은 국내에서도 그 보고가 드문 매우 독특한 조직형인데, 이 종양의 임상병리학적 특징들에 대해 알아보고자 하였다. 대상 및 방법: 1999년 1월부터 2007년 8월까지 고신대학교 의과대학 외과학교실에서 위암으로 수술받은 4,159예 중 신경내분비 종양으로 진단받은 13예를 대상으로 의무기록 및 조직 표본을 후향적으로 분석하였다. 결과: 위 신경내분비 종양은 남자 11예, 여자 2예였고, 평균나이는 54.9세(42~72)였으며, 주증상은 상복부 통증과 속쓰림이 많았다. 점막 또는 점막하 종양 2예를 제외하고 나머지 9예는 모두 근육층 이상을 침범한 진행성이었고, 종양의 평균 크기는 7.0 cm (0.7~15)였다. WHO 분류법에 의한 내분비 종양의 유형은 제 3형이 8예, 제 4형이 4예, 제 1형이 1예였다. 림프절 전이는 11예에서 있었고, 추적 기간내 재발한 4명의 환자 모두 제 3형과 제 4형이었고, 재발한 장기는 간이 2예, 다장기(복막, 폐) 1예, 다장기(간, 췌장, 십이지장) 1예였고, 생존 기간은 평균 12.8개월이었다. 결론: 위에 발생하는 신경내분비 종양은 진단 당시 진행된 경우가 많았고 간 전이를 잘 하였으며 예후가 나쁜 독특한 조직형이다. Purpose: The goal of this study was to review the clinicopathologic characteristics of neuroendocrine tumor (NET) of the stomach. Materials and Methods: We retrospectively reviewed the medical records of 13 patients who were diagnosed with neuroendocrine tumor from January 1999 to August 2007 at Kosin Medical Center; 4,159 gastric cancer patients were treated surgically during the same time. The average follow up period was 14.3 months. Results: The majority of 13 patients were men (male-female ratio: 11:2) and the average age of patients with NET was 59.4 years (range: 42~72 years). The presenting symptoms were mostly epigastric pain and soreness. The tumor was limited to the mucosa or submucosa in two cases, and the tumor extended beyond the muscle layer in 11 cases. The mean size of the tumor was 7.0 cm, ranging from 0.7 cm to 15 cm. The type of the NEC (according to the WHO classification) was type 3 for eight patients, type 4 for four patients and type 1 for one patient. Regional lymph node metastasis was noted in 11 patients. Four cases showed recurrence of disease and the site of recurrence included liver in two patients, multiple organs (including the peritoneum and lung) in one patient and multiple organs (including liver, pancreas and duodenum) in one patient. The recurrent cases were type 3 and type 4 and the average survival period of the recurrent patients was 12.8 months. Conclusion: The majority of neuroendocrine tumors of the stomach were at an advanced stage at the time of diagnosis. These tumors frequently recurred in the liver and they have a poor prognosis.
이철민(Chul Min Lee),최재영(Jae Young Choi),김정훈(Jung Hoon Kim) 대한외과학회 2008 Annals of Surgical Treatment and Research(ASRT) Vol.74 No.2
Anisakiasis occurs after ingestion of raw marine fish or inadequately cooked saltwater fish or squid containing nematode larvae of the Anisakis genus. Ingested larvae invade the gastrointestinal wall and cause clinical symptoms, including cramping, abdominal pain, nausea, vomiting, and various gastrointestinal lesions. Although enteric Anisakiasis is extremely rare, it can induce intestinal obstruction. Here, we report a case of intestinal obstruction caused by Anisakiasis, along with a brief review of the relevant literature.
이철민(LEE Chul min) 한국구석기학회 2011 한국구석기학보 Vol.- No.24
본 연구의 주요한 목적은 금파리 구석기 유적의 문화층별 박편의 박리기법 분석을 통해 석기제작기술의 시간적 변화상을 확인하는 것이다. 이를 위해 금파리 유적의 퇴적층의 형성과정과 연대에 대해 검토하고, 박편 등의 석기를 지점별ㆍ층서별로 구분하여 분석하였다. 금파리 유적의 경우 AㆍB지구와 C지구는 퇴적층에서는 시간적인 차이가 확인되었지만, 문화층 간 박리기법에서 뚜렷한 변화는 관찰되지 않았다. 또한 C지구에서 발견된 소위 ‘종장박편’으로 지칭된 박편들의 경우에도 기술적 변화 보다는 박편제작과정에서 생성된 것으로 판단된다. 따라서 AㆍB지구 1문화층과 C지구 문화층의 박리기법은 큰 차이가 없으며, 이러한 문화층 간의 박리기법 상의 차이가 없는 양상은 임진-한탄강 유역에서 나타나는 지역적 성향으로 판단되며, 추후 석핵을 포함하는 종합적인 연구가 필요할 것으로 판단된다. This study aims to see whether the flaking techniques are altered according to its cultural layers through flaking techniques on each cultural layer of Kumpari paleolithic site. The procedure of examination includes reviews on a formation process and the chronology of Kumpari paleolithic site, the establishment of cultural layers by sedimentary strata and artifacts; to define that section AㆍB cultural layer 1, 2 is yellowish-brown clay layer and reddish-brown of section AㆍB, section C cultural layer is reddish-brown clay layer of section C. Flakes the analysis of the flaking technique, and quantitative analysis of several properties by adding of section AㆍB and C flakes of cultural layer seen for flaking techniques in Kumpari paleolithic site. The results of cultural layer AㆍB 1 and the cultural layer C on the flaking technique does not resolve significant differences, such as principally raw material is quartz and quartzite, and it is not appear raw material of homogeneous (or crystalloid) in the late Paleolithic period. In addition, the end struck flake in section C of Kumpari paleolithic site, if for acquiring certain flakes, flakes core tools to get, not the center of the flakes core more difficult to get a higher percentage core abandoned will have to be confirmed. However, these aspects have not been confirmed, the presence of a specific and flakes are the difference between the flaking technique is difficult to regulations. Therefore, a cultural layer C and AㆍB is not a big difference in the flaking technique, on the difference is between cultural layer aspects appears in the regional personality to determine in paleolithic sites of Imjin-Hantan river basin.
이철민 ( Chul-min Lee ),정덕호 ( Duk-ho Chung ) 전북대학교 과학교육연구소 2016 과학과 과학교육 논문지 Vol.41 No.1
The purpose of this study was to analyze the contents about friction force in Earth Science Ⅱ textbooks. For the purpose, we analyze the contents in 「Chapter Ⅲ. Interaction between atmosphere and ocean」 of textbooks match the 2009 revised Earth Science curriculum on a case by case basis, and investigate whether textbooks were described influence of molecular viscosity and turbulent flow on atmosphere and ocean or not. As a result, contents were described friction surface in case of friction force on atmosphere, while in case of Ekman motion, there were difference of description for each textbook. Therefore, we recommend that we need to consider the molecular viscosity and turbulent flow when describing the friction force in Earth Science Ⅱ textbooks.