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이후근(Hoo Geun Lee),조종민(Jong Min Cho) 대한CT영상기술학회 2010 대한CT영상기술학회지 Vol.12 No.1
Purpose Intervertebral foramina disc disease and it’s degeneration cause myelopathy or radiculopathy with lumbar back pain. These makes stenosis or obstruction of nerve root pad1way. It is in1portant structure for the decompression during minimal invasive surgery or surgical operation. We used to two dimensional(2D) sagittal reformation of multi-detector computed tomography(MDCT) helical scan in foraminal stenosis or foraminal disc cases. At this time, We obtain derail informations of intervertebral foramina(IVF) with spine disease and study IVF images by reformation angle. Materials and methods We studied lumbar spine CT(men: 20 cases, average age: 33.8 years) with helical scan using Philips Brilliance 16 channel MDCT, from Jun 2009 to Aug 2009. We examined helical scan and performed 2D sagittal reformation. At this time, We established six reformation angle techniques; midsagittal plane(MSP), L4 pedicle, L4-5 facet, L5 pedicle, L5-S1 facet, S1 pedicle. And we established L4-5, L5-S1 IVF and tested both them with comparison. Image analysis was measured three portions of IVF. We measured superior inferior dimension; length of straight line from upper margin to lower margin in IVF, superior anterior posterior; length of distance in straight line at facet joint level and inferior anterior posterior; length of distance in straight line at posterior body margin. Results As results, 2D sagittal reformation with six reformation angle techniques, case of parallel L5-S1 facer was measured right 41.6, left 42.9° mostly and case of parallel L4 pedicle was measured right 12.2, left 13.7° to bottom. As results, measuring three portions of IVF, in L4-5 IVF, case of parallel L4-5 facet was measured increasing superior to inferior dimension measurement(SID; right 21.86, left 21.61 mm) and case of parallel L5-S1 facet was measured increasing SID(right 22.34, left 22.26 mm) with comparison of parallel midsagittal plane. As results, measuring three portions of IVF, in L5-S1 IVF, case of parallel L4-5 facet was measured increasing SID(right 21.71, left 20.67 mm) and case of parallel L5-S1 facet was measured increasing SID(right 21.66, left 21.00 mm) with comparison of parallel midsagittal plane. Superior anterior-posterior measurement(SAP), inferior anterior-posterior measurement(IAP) of IVF in L4-5, L5-S1 are unremarkable. Conclusion Cases of parallel facet joint are checked increasing SID with comparison other conditions. So we established useful reformation angle techniques that these increased diameter of upper-lower structure of IVF and expanded space of passing nerve root.
신경섬유종증을 동반한 중증 경흉추 측후만증 소아 환자의 O-arm Navigation System을 이용한 전방 경추체 융합술 및후방 후두-경흉추 고정술: 증례보고
이후근(Hoo-Geun Lee),조종민(Jong-Min Cho),엄무용(Mu-Yong Um),이중호(Jung-Ho Lee),송응석(Eung-Seok Song),송승욱(Seung-Woock Song) 대한영상의학기술학회 2013 대한영상의학기술학회 논문지 Vol.2013 No.-
신경섬유종증을 동반한 중증 경흉추 측후만증 소아 환자의 전방 경추체 융합술 및 후방 후두-경흉추 고정술을 함에 있어 O-arm Navigation System을 사용하는 영상 추적 항법은 수술 중해당 병소의 영상을 정확하게 제공하여 보다 안전하고 수술시간의 단축이 가능하다. 저자들은 O-arm 장비를 이용, 수술 중 영상을 집도의에게 효과적으로 제공하고 있음을 보고하는 바이다. Through the use of image guided navigation with O-arm Navigation System, for the anterior cervical corpectomy fusion and posterior occipito-cervicothoracic of severe cervicothoracic kyphoscoliosis pediatric patient associated with neurofibromatosis, it was possible to accomplish more safer and reducing operation time because it was provided accurately images of target lesion. We report a case of using O-arm which effectively supplies intraoperative images to surgeon.
광범위 후종인대 골화증 환자의 O-arm Navigation System을 이용한 다구간 경사 추체 제거술: 증례보고
이후근(Hoo-Geun Lee),조종민(Jong-Min Cho),엄무용(Mu-Yong Um),이중호(Jung-Ho Lee),송응석(Eung-Seok Song) 대한영상의학기술학회 2012 대한영상의학기술학회 논문지 Vol.2012 No.-
후종인대 골화증은 경추체 후연의 후종인대를 따라서 발생되는 경추 척수증을 유발하는 비정 상적인 골화현상으로 O-arm Navigation System을 사용, 영상 추적 항법을 통한 다구간 경사 추체 제거술로 해당 병소의 정확한 제거와 수술 시간의 단축이 가능하다. 저자들은 O-arm 장비를 이용, 수술 중 영상을 집도의에게 효과적으로 제공하고 있음을 보고하는 바이다. Ossification of posterior longitudinal ligament is an uncommon disorder causing cervical spondylotic myelopathy. Through the use of image guided navigation with O-arm Imaging System, it was possible to accomplish faster and more complete multilevel oblique corpectomy. We report the case that we have effectively provided intraoperative images using O-arm Navigation System to surgeon. Key words: multilevel oblique corpectomy, ossification of posterior longitudinal ligament, O-arm Navigation System.
경남지역 가금류 도축장 신선육에서 분리한 Salmonella spp.와 Enterococcus faecalis의 독성인자 보유 패턴 분석
하도윤 ( Do-yun Hah ),차휘근 ( Hwi-geun Cha ),한권식 ( Kwon-seek Han ),장은희 ( Eun-hee Jang ),박하영 ( Ha-yeong Park ),배민진 ( Min-jin Bae ),조아름송이 ( Ah Reum-song I Cho ),이후근 ( Hoo-geun Lee ),고병효 ( Byeong-hyo Ko ),김도경 한국동물위생학회 2018 한국동물위생학회지 (KOJVS) Vol.41 No.3
In order for monitoring of pathogenic bacterial contamination in the freshly slaughtered poultry meats produced in Gyeong-Nam province, we first isolated 4 strains of Salmonella spp. and 32 strains of Enterococcus faecalis from the total 164 samples, then we analyzed potential virulence gene profiles of the bacterial isolates by PCR using species-specific primer. The potential virulence genes we selected in this study were stn, invA, fimA, spvR, and spvC for the isolates of Salmonella spp. and those of esp, cylM, cylA, cylB, gelE, fsrA, fsrB, and fsrC were for the isolates of E. faecalis. The PCR results showed that all 5 virulence genes were detected simultaneously in the all isolates of Salmonella spp. However, there was a diverse occurrence pattern of the virulence genes in the case of E. faecalis. The gene for enterococcal surface protein (esp) was not detected among the isolates (0/32), and the haemolysin gene prevalence rate of cylA, cylB, and cylM were 3.1% (1/32), 9.3% (3/32), and 9.3% (3/32), respectively. Moreover, the genes of gelE, fsrA, fsrB, and fsrC that associated with gelatinase activity were detected in the rate of 53.1% (17/32), 53.1% (17/32), 53.1% (17/32), and 53.1% (17/32), respectively. In conclusion, in the isolates of Salmonella spp., all possessed 5 virulence genes tested, suggesting that they are all related with each other clonally. However, in the case of E. faecalis isolates, the occurrence of the haemolysin genes (cylM, cylA, cylB) and the gelatinase genes (gelE, fsrABC) was highly variable among the isolates.