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민필기,민용규 충북대학교 농업과학기술연구소 1998 農業科學硏究 Vol.15 No.-
Chlorothalonil, procymidone, deltamethrin and benomyl were selected for this investigation among pesticides, the maximum residue limits of which were already established. Each sample was classified as group A, B, and C, and sprayed with different concentrations. The changes in pesticide residues at different concentrations and with lapse of time were investigated. The results are as follows : 1.The pesticide residues rapidly decreased 5 days after spray but decreased slowly with lapse of time. 2.The residue level of benomyl decreased abruptly from 23.93 to 0.00 ppm with time, whereas those of chlorothalonil, procymidone, and deltamethrin reduced from 16.73 to 0.09 ppm, from 13.23 to 0.15 ppm, and from 7.17 to 0.06 ppm, respectively. 3.Higher levels of pesticide residues were detected in dried red pepper than in unripe-fresh red pepper and more residues were present in sun-dried samples than in oven-dried ones, with the exception of deltamethrin. 4.The periods of time when the residual amounts of chlorothalonil, procymidone, deltamethrin and benomyl were below the respective maximum residue limits (MRL) were 9, 1, 11 and 3 days, respectively, after the spraying of the recommended amount of each chemical. However, the actual amounts of pesticides taken up by humans in daily life would be very small, since about 90% of the residues would probably be removed during the washing process.
심장내로 연장된 정맥내 평활근종증 1예 : 심장내 평활근종증 intracardiac leiomyomatosis-case report and literature review
정재헌,민필기,박소영,변영섭,홍그루,임세중,심원흠 대한내과학회 2003 대한내과학회지 Vol.65 No.2
정맥내 평활근종증은 병리학적으로는 양성 질환이나 진행 양상은 악성으로 모든 종양의 적출술이 시행되어야 하며, 자궁적출술시 병리학적으로 정맥내 평활근종증을 진단받은 경우 정기적인 검사를 통해 종양의 재발이나 하대정맥과 심장내로의 연장을 확인하여야 한다. 우측 심장내 종양이 발견된 경우는 점액종을 포함한 원발성 심내 종양 외에도 다른 원인 질환을 확인하여야 하며, 반드시 정맥내 평활근종증을 감별진단하여야 한다. Intravenous leiomyomatosis is a rare benign vascular tumor defined as the extension into venous channels of a histologically benign smooth muscle tumor arising either from a uterus or from the walls of uterine vessels, and about 10% spread to the heart. The treatment of choice is complete resection of the tumor. Hormonal therapy should be considered in cases of unresectable residual tumor. A 46-year-old woman was admitted for abdominal discomfort and pain. She was found to have intravenous leiomyomatosis of the uterus with extension into inferior vena cava and right atrium. The patient underwent surgery employing simultaneous sternotomy and laparotomy. Radical excision was achieved using cardiopulmonary bypass. We herein describe a patient in whom complete removal of intravenous leiomyomatosis with cardiac extension was successfully performed.