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윤엽,이춘근,이동호,고영태,임재훈,Yoon, Yup,Lee, Choon-Keun,Lee, Dong-Ho,Ko, Young-Tae,Lim, Jae-Hoon 대한영상의학회 1990 대한영상의학회지 Vol.26 No.2
Percutaneous cholecystostomy is regarded as a new method of treatment in patients with acute cholecystitis, especially patients with empyema who are considered unsuitable for cholecystectomy. In recent 2 years, authors performed percutaneous cholecystostomy for drainage purpose in 10 patients with poor surgical candidate. Under the guidance of real time ultrasound or fluoroscope, transhepatic access route for gallbladder intervention were chosen in all cases. successful decompression were obtained in 7 cases (70%; 6 patients with acute cholecystitis had decompression of gallbladder and 1 patient with common bile duct stone had biliary decompression. In three patient with cholecystitis, who had severe liver cirrhosis (N=1) or sepsis (N=2) as underlying condition, gallbladder drainage was not effective. Neither bile peritonitis nor hypotension occurred in any of these 10 cases. Percutaneous cholecystostomy has proved to be safe and effective treatment for patients with gallbladd r disease who are poor surgical candiate.
윤엽,성동욱,최우석,이동호,고영태,이선화,임재훈,Yoon, Yup,Sung, Dong-Wook,Choi, Woo-Suk,Lee, Dong-Ho,Ko, Young-Tae,Lee, Sun-Wha,Lim, Jae-Hoon 대한영상의학회 1990 대한영상의학회지 Vol.26 No.5
Percutaneous ureteral stent insertion is a treatment of permanent or temporary urinary diversion to maintain continuity and function of the obstructed and injured ureter. We performed 31 cases of percutaneous double pig tail ureteral stent insertion in 21 patients, included 13 patients with malignant ureteral obstruction and eight patients with injured ureter as well as benign inflammatory stricture. Satisfactory result was obtained in all patients but one, who need percutaneous nephrostomy one week later for urinary diversion. no significant complication was encountered. the authors conclude that percutaneous ureteral stent insertion, an interventional procedure alternative to urologic retrograde method, is an effective method for urinary diversion.
윤엽,Yoon, Yup 대한영상의학회 1975 대한영상의학회지 Vol.11 No.3
The classical roentgenographic features of tuberculosis of the spine (narrowing of the intervertebral disc, collapse of the vertebral bodies, with or without the shadow of a cold abscess) presents as specific picture of the actual pathological process. However the diagnosis of tuberculosis is not positive unless confirmed by biopsy, or the finding of the tubercle bacillus. 151 cases of spinal tuberculosis, proved at Seoul National University Hospital during the periods from June 1969 through June 1975, were studied and analysed. The result were as follows: 1. The ratio of male to female was 1.1:1. The age preference was under 10 years old (28%). 2. The most frequent site of involvement of the spinal tuberculosis was thoracic spine (38%), the next was lumbar (30%). 3. The incidence of lytic type is 56%, mixed type in 36%, and sclerotic type in 5%, respectively. 4. Ventral type wedging or collapse of vertebral body, is more predominant in younger age group and intervertebral art cular type in older age. 5. The incidences of typical radiologic finding were narrowings of intervertebral space (93%), collapse of vertebral body (74%), and cold abscess (52%), respectively.
Kimray-Greenfield 대정맥 필터의 경피적 설치술
윤엽,오주형,최우석,임재훈,김진우,Yoon, Yup,Oh, Joo-Hyeong,Choi, Woo-Suk,Lim, Jae-Hoon,Kim, Jin-Woo 대한영상의학회 1989 대한영상의학회지 Vol.25 No.3
transvenous plcement of vena caval filtration devices has become more effective alterna-tive in the management of patients in whom anticoagulation is contraindicated or thromboem-bolism recurs despite anticoagulation. Percutaneous transjugular placement of the Kimary-Greenfield filter in the suprarenal in-ferior vena cava was successfully accomplished in 34-year-old female patient with recurrent pulmonary embolism who had suffered from bilateral deep vein thrombosis.
In Vivo Efficacy of Recombinant Leukotactin-1 against Cyclophosphamide
윤엽,김동일,박두홍,Gue-Wha Lee,Kong Ju Lee,Eun Young Chun,In Whan Lim,Eun Kyoung Lee,Mu Rim Choi 한국생물공학회 2004 Biotechnology and Bioprocess Engineering Vol.9 No.1
Leukotactin-1 (Lkn-1), a human CC chemokine, has been demonstrated to induce chemotaxis of neutrophils, monocytes, eosinophils and lymphocytes and has been shown to suppress colony formation of hematopoietic stem and progenitor cells (HSPC) in vitro and in vivo. The temporal suppression of HSPC by chemokines could potentially be applicable for various indications, such as the protection of HSPC from the several anti-proliferating chemotherapeutics in cancer treatments. In order to evaluate the protective effects on myeloid progenitor cells, the recombinant Lkn-1 was produced by Pichia pastoris and tested with cyclophosphamide, cytotoxic chemotherapeutics. The pretreatment of Lkn-1 increased the number of HSPC in bone marrow as well as the potency of resulting progenitor cells after the treatment of cyclophosphamide. After the first cycle of cyclophosphamide treatment these protections of HSPC correlated with the increased number of white blood cells and neutrophils in the peripheral blood. In lethal conditions created by the repeated administration of cyclophosphamide, the treatment of Lkn-1 enhanced the survival of mice, suggesting the potential use of Lkn-1 as the protective agent for HSPC from various cytotoxic insults.