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- 저자 : 전재두(Jea Doo Jeon) (검색결과 3 건)
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MDCT를 이용한 경부동맥 촬영에서 IV 선택위치에 따른 영상 비교
전재두(Jea Doo Jeon),노지숙(Ji Sook Noh) 대한CT영상기술학회 2007 대한CT영상기술학회지 Vol.9 No.1
Purpose The MDCT images in Angiography for shoulder lateral and subclavian and brachiocephalic vein always hae been resulted poor image qulities due to the high concentration of contrast medium using rapid bolus injector. Materials and Methods We sampled 413 people from January to December, 2006 who had been executed Neck-Brain Angiography who took IV routes on upper and lower extremities in C University Hospital and evaluated 100 people randomly among each of them. The program which We used for this research is CARE dose Program used as a real time dose modulation program of SIE!\1ENS Sensation 16 MIXT apparatus. Results By executing 2 examinations of both Neck-Brain Angiography at one time injection, we could give patients more economical and time saving advantages due to the reduction of contrast medium and could execute two examinations simultaneously and offer their diagnostic results faster. By the same reason -we could get both individual images of Neck Angiography and Brain Angiography and get higher diagnostic valuable images by taking IV route on lower extremities rather than upper extremities. Conclusion By executing 2 examinations of both Neck-Brain Angiography simultaneously during only one time injection of contrast medium, we could not only offer patients less exposed dose and more economical and time saving advantages, but also found that we could get higher diagnastic valuable images at the time of lower extremity IV site angiography rather than the one of upper extremity and finally that will be considered as a more useful technique in the future Angiography examinations.
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측두골 질환의 진단을 위한 검사 추이분석 : 일반촬영, CT촬영과의 비교
차장원(Jang Won Cha),전진만(Jin Man Jeon),전재두(Jea doo Jeon),노지숙(Ji sook Noh) 대한전산화단층기술학회 2007 대한CT영상기술학회지 Vol.9 No.1
Purpose As there is to a disease of temporal bone, will recognize a tendency recent of an inspection for a diagnosis of a comparative analysis temporal bone disease to the patient who executed the Temporal bone CT which used CT equipment and the pati-ent who executed a general radiography inspection. Materials and methods Investigated the patient who executed a patient, general radiography inspection and the Temporal bone CT inspection that executed a Temporal bone CT inspection within a period like the patient who executed a general radiography inspection of mastoid general of mastoid at the same time by the inspection number of cases by diseases to the objects for three years until 2006 August from 2003 August. Also, general radiography inspector and CT thread inspector executed was Moniter-ing the 30 people of 155 people who inspected Temporal bone CT in the times like the general radiography 10 people who inspected of mastoid during patients until August from 2006 January. The Monitering is Investigated whether or not there was inconvenience of a inspector after inspection time an inspection, inspections whether or not there was image acquisition time, inconvenience of a patient. Results Showed the results compared with the patient 200 people who inspected general radiography of total Mastoid series to 32 people in 2005 years at 82 people in 2003 years during general radiography inspections of Mastoid series inspection case number decrease, and the annual increasing Temporal bone CT inspections of inspection case number that compared with the total 648 people who inspected Temporal bone CT to 233 people in 2005 at 96 people in 2003, and to increase. Also, Answered that were inconvenient, and general radiography than CT, patients and inspector too. and general radiography was over the 10 minutes but CT appeared to inspection time of the 10 minutes under and the time that it takes in an inspection is in an inconvenience matter in case of an inspection answered. Conclusion Inspection time is short, and there is not inconvenience and the CT inspection a patient or a inspector are increasing every year compare with general radiography inspections as accuracy of an inspection is high. Think that it must be improved in the trend that an CT inspection is enlarged to have a lot of regulation of insurance application in order to let you reduce an economic burden of a patient. As there are more advantages CT than general radiography in spite of these economic burdens recent and to diagnosis a disease of a temporal bone CT inspections than be used so as to be useful
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외상에 의한 흉곽 골절에 유용한 다절편 CT의 재구성 영상
김승국(Seung Kook Kim),노지숙(Ji Sook Noh),전재두(Jea Doo Jeon),전진만(Jin Man Jeon),김동훈(Dong Hoon Kim) 대한CT영상기술학회 2007 대한CT영상기술학회지 Vol.9 No.1
Purpose This article evaluate the usefulness of three-dimensional reconstructive images using multi detector computed tomography (MDCT) in thoracic traumatic patients visiting emergency room clinics for out-patients. Materials and methods 76 patients with fractures of 105 patients who visited our emergency room complaining of thoracic trauma were analyzed retrospectively. All patients performed thoracic MDCT and three-dimensional reconstructive images were taken. Fractures were confirmed by axial CT, clinical information, whole body bone scan, and multi planar reformation images. Plain x-ray was analyzed by fractured sites in a blind comparison of two radiologists’ readings, and then that finding was compared with them of axial CT scans and three-dimensional reconstructive images. Results The fracture sites were rib (n=68), sternum (n=14), clavicle (n=6), scapula (n=3), spine (n=5) and combined fractures (n=14). Plain x-ray and axial CT scans had correspondency of 0.555 for rib fractures. Axial CT scans and three-dimensional reconstructive images had 0.952. For sternal fracture, those were 0.692 and 0.928 each. Axial CT scans and three-dimensional reconstructive images showed sensitivities for rib and other fractures, 94 % and 91 % and for sternal fracture, 93 % and 100 % each. Three-dimensional reconstructive image had high sensitivity in the diagnosis of sternal fracture especially. Conclusion While evaluating thoracic trauma at emergency room, three-dimensional reconstructive image was useful to diagnose extent of fracture easily and very sensitive to detect sternal fracture.
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