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뇌하수체경을 침범한 Histiocytosis X : 증례 보고 Case Report
조병규,왕규창,양세원,지제근,김인원,최길수 대한신경외과학회 1989 Journal of Korean neurosurgical society Vol.18 No.7-12
A case of histiocytosis X with the involvement of pituitary stalk in a 5 year old boy was described. He presented with diabetes insipidus and the endocrinological study showed growth hormone deficiency. On computerized tomography and magnetic resonance imaging, the pituitary stalk was abnormally thick. Overlooking of the skull lesion on plain X-ray film led to an erroneous diagnosis of 'germ cell tumor'. Gross total removal of the lesion and chemotherapy were performed. In the differential diagnosis of suprasellar masses, this disease entity should be included. The importance of histological diagnosis of the infundibular lesion in cases of central diabetes insipidus is also emphasized.
18MeV 선형가속기의 ARC Therapy에 관한 고찰
신세원,김명세,김성규 영남대학교 의과대학 1988 Yeungnam University Journal of Medicine Vol.5 No.2
회전조사시 회전각도에 따른 계산치와 측정치를 비교, 검토하여 다음과 같은 결과를 얻었다. 90°회전시에는 계산치와 측정치와는 4.5%의 차이를 나타내었고, 120°회전시에는 4.4%, 180°회전시에는 3.9%, 240°회전시에는 2.9%, 360°회전시에는 2.1%의 차이를 나타내어 회전각도가 클수록 계산치와 측정치와의 차이는 적은 것으로 나타났다. 또한 회전각도에 따라 최고선량지점이 상부로 이동하는 정도는 90°에서 240°까지 회전할 때 tumor depth가 4.5㎝일 경우에는 1.67㎝에서 1.10㎝정도 상부로 이동하였으며, tumor depth가 8㎝일 경우에는 2.45㎝에서 1.40㎝정도 상부로 이동하는 것으로 나타났다. In recent years there has been a growing interest in all forms of rotational therapy and many different types of therapy machines designed for this kind of treatment have become available. To the medical radiation physicist, the dosimetry of rotation therapy has presented a number of interesting problems, and much useful work has been published on the basic data of dose distribution and dosage calculation. The setting dose for ARC therapy were obtained by computer calculation and measurement with cylindrical phantom. Authors compared computer calculation with measured value. And in ARC therapy, the region of maximum dose is shifted from the tumor center. The extent of shift was analyzed by isodose distribution for ARC therapy techniques.
디지탈 處理에 의한 Baseband CATV 受信器의 遠隔 同調 制御器 說計에 관한 硏究
李世圭,김용득 亞洲大學校 1986 論文集 Vol.9 No.-
In this paper, we deal with the design for the main controller of addressable converter in the CATV Encryptic Encoding System and implement the system with a function of volume control. Digital synthesis method is used to satisfy the NTSC output bandwidth. If the CATV system is operated in KOREA, in the near future, the converter system implmented in this paper will be applied to the CATV terminal unit.
홍의실,나병규,김민옥,유일영,채지영,채희복,윤세진,이상전,송형근,박길선,정현용 충남대학교 의과대학 의학연구소 2002 충남의대잡지 Vol.29 No.2
대장 지방종은 주로 우측 결장에 호발하고 특히 회맹판 부위와 맹장 부위에 호발한다. 또한 50~60대에 빈도가 높고 증상이 있는 환자에서 장중첩증이 높게는 40~50%에서 보고되고 있어 성인 장중첩증의 원인으로 중요한 비중을 차지한다. 특히 성인 장중첩증 및 장폐쇄의 중요 원인인 악성 종양과 임상 양상이 유사하여 감별진단이 중요하다. 저자들은 반복적인 복통을 주소로 내원한 환자에서 맹장의 4×5㎝의 점막하 지방종이 말단 회장부위와 반복적인 장중첩중이 발생했던 1례를 부분 절제술로 치료하여 양호한 임상 경과를 경험하였기에 문헌 고찰과 함께 보고하는 바이다. Lipomas are one of the most common benign nonepithelial tumors of the colon which are often detected incidentally by radiologic investigation or on operation. These tumors are usually without specific symptoms. Colonic lipomas occur most often in the right colon, particularly in the ileocecal valve and the cecum. Most patients are asymptomatic. but tumors larger than 2 cm tend to produce a change in bowel habit. abdominal pain. rectorrhagia and complications including luminal obstruction or intestinal intussusception. Diagnosis can be made by colonoscopy abdominal CT. MRI, or barium enema. We report a case of lipoma of the cecum that originated in the submucosa and presented as a intussusception in a 50-year-old woman with a brief review of the literature.