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RISS 인기검색어
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- 저자 : 성규보 (검색결과 142 건)
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성규보 대한영상의학회 1983 대한영상의학회지 Vol.19 No.3
Since calcification or ossification of the posterior longitudinal ligament of the spine was first described in Japan in 1960 by Tsukimoto, Teryama used the term of OPLL (Ossification of Posterior Longitudinal Ligament) in 1964 and mainly reported in Japanes. But recently, the incidence of the OPLL has been reported increasing among the non-Japanese. Because of the OPLL may be associated with severe neurologic symptoms, which need to have surgical decompression, exact diagnosis and analysis are necessary. The OPLL can be diagnosed by simple spine, conventional tomography, myelography and CT. Authors analysed radiologic findings of the OPLL in 8 patients, who were diagnosed by simple spine, conventional tomography, myelography and CT, and then performed spinal operation, at Hanyang University Hospital from March 1980 to June 1983. The results were as followings : 1. The age range was between 45 and 63 years and most prevalent age was 6th decades (63%). 2. All of the patients were male. 3. All of the OPLL occurred in the cervical spine and predominant at the level of C3,4 (48%). 4. The most common length of the OPLL was 2 vertebral level. 5. Except one, which was discontinuous at the level of disc space, all of the OPLL were continuous in length. 6. 7 of 8 OPLL were located in the midine, but one was in right. 7. The OPLL seemed to correlate with spondylotic changes. 8. Of all diagnostic procedure, CT provided better and exact visualization of the lesion with axial scan and sagittal reconstruction.
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돼지에서 새로운 액상 색전물질(Embol-78-12)을 이용한 문맥색전술의 효과와 안전성에 대한 연구
성규보 대한영상의학회 1999 대한영상의학회지 Vol.40 No.2
Purpose : To evaluate the effectiveness and safety of a new liquid embolic material, Embol-78-12, in portalvein embolization (PVE) in pigs. Materials and Methods : A total of 13 pigs were used in this study. The testmaterial, Embol-78-12, was obtained by hydrolysis of polyvinyl acetate (PVAc) and dissolved in a mixture of 45%ethanol and 55% nonionic water-soluble contrast medium (Ultravist 370) (v/v). Its radioopacity was good. PVEinvolved the use of 5cc of Embol-78-12 in the left lobe (left and left paramedian segments) of the liver ; toprevent reflux of the embolic material through the percutaneous transhepatic route, an oclusion balloon catheterwas used. Six pigs were sacrified immediately after PVE and formed a normal control group, used to determine theaverage volume ratio of the right and left lobe of the pig. Follow up study was performed in the other seven pigs; changes in body temperature and liver function test (GOT, GPT, and total bilirubin) at 0, 3, 6, 10, 14 daysafter PVE were recorded. Four pigs were sacrificed at 2 weeks, and three at 4 weeks. The embolization rate,changes in the volume ratio of the right and left lobe, the atrophy ratio of the embolized lobe and regenerationrate of the non-embolized lobe were evaluated. Results : In the left lobe, PVE was successfully completed in allpigs. Follow-up study revealed evidence of increased body temperature in only one of six pigs and virtually nochange in GOT, GPT, and bilirubin levels. In the control group, average liver volume was 511+43 cm3 ; volumepercentage of the right and left lobe of the liver was 55+2% and 45+1, respectively. The embolization rate in thisstudy was 45+1%. When the animals were sacrificed at 2 and 4 weeks, embolized left portal vein showed completeocclusion. Volume percentage of the right and left lobe of the liver was 71+3 and 29+3 at 2 weeks, and 84+3 and16+3% at 4 weeks. The atrophy ratio of the embolized lobe was 22% at 2 weeks (average decrease : 51cm3) and 49% at4 weeks (average decrease : 114 cm3). The regeneration rate of non-embolized lobe was 12.6 cm3/day (176 cm3 for 2weeks) during the first 2 weeks and 8.9 cm3/day (125 cm3 for 2 weeks) during the next 2 weeks. Conclusion : Innormal pig liver, embol-78-12 used with occlusion balloon catheter is an effective and safe material for PVE. Webelive it is suitable for PVE in the clinical field and will be used in many clinical applications in the field ofinterventional radiology.
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성규보 대한영상의학회 1987 대한영상의학회지 Vol.23 No.3
Percutaneous ureteral dilatation was done with balloon catheter and ureteral stent. A 40 year old woman had a pelvic surgery due to inflammatory cyst and this surgery was complicated by incidental cutting of right ureter and ureteroureteral anastomosis was done. After 1 month, she was suffered from severe right flank pain, nausea and vomiting, and showed delayed visualization of pelvocalyceal system with dilatation in intraveneous pyelography. Percutaneous nephrostomy was done and complete obstruction at lower ureter was seen in antegrade pyelography. 4 mm balloon catheter was introduced through the nephrostomy tract and dilatation was done with a pressure of 5 atm. for 1 minute duration for 4 times and #7 F double J ureteral stent was left across the lesion for prevention of restenosis. Ureteral stent was removed after 2 months, and successful dilatation was seen and no evidence of restenosis in 5 weaks follow up.
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문맥을 이환한 간담도암수술시 정정맥우회술의 임상적용 - 정정맥우회술을 이용한 장시간의 문맥혈류차단
성규보(Kyoo Bo sung),김명환(Myung Hwan Kim),이승규(Sung Gyu Lee),민병철(Pyung Chul Min),황신(Shin Hwang),박광민(Kwang Min Park),이영주(Young Joo Lee),최건무(Kun Moo Choi),이성구(Sung Goo Lee) 대한소화기학회 1997 대한소화기학회지 Vol.30 No.2
Background/Aims: Portal vein involvement in advanced hepatobiliary cancers has precluded their resection. Recently extensive surgery including combined portal vein resection has been reported to show a better prognosis than non-resectional surgery. However, only limited duration of portal flow occlusion is permitted to prevent splanchnic venous congestion. Authors performed veno- venous bypass to prolong portal flow occlusion when extensive surgery with combined portal vein resection was undertaken. The type of surgery in which bypass was applied, duration of portal flow occlusion, and physiologic changes occurred during bypass were evaluated in this study. Methods: Three cases of passive bypass were performed, and an Anthron tube was connected between superior mesenteric vein and femoral vein. Active bypass was performed in 2 cases with BioPump which bypassed visceral venous flow to axillary vein or femoral vein. Results: Portal flow was occluded as long as up to 6 hours in passive bypass and 8 hours 33 minutes in active type without gross bowel congestion and metabolic derangements. Conclusions: Veno-venous bypass can be applicable with safety to operative situations in which portal flow occlusion should be prolonged as the portal vein is involved in advanced hepatobiliary cancers. (Korean J Gastroenterol 1997; 30:236 - 246)
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