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폭발사고 환자의 안구 전산화단층 촬영(금속성 이물질의 발견 및 위치결정을 중심으로)
임효근 대한영상의학회 1988 대한영상의학회지 Vol.24 No.3
폭팔사고로 인해 안구손상을 받은 환자에 있어서 금속성 이물질의 발견 및 정확한 위치결정은 치료방향 및 예후에 매우 중요한 것으로 알려져 있다. 저자는 폭발사고로 인해 안구손상을 받은 10명의 환자의 전산화단층 촬영소견을 분석하여 안구내 금속성 이물질의 발견 및 위치선정에 있어서 전산화단층 촬영의 유용성과 문제점 및 그 해결방안에 대해서 문헌고찰과 함께 보고하는 바이다. It is realized that the detection and accurate localization of metallic foreign bodies within the orbit in the blast injured pacient is essential in the- treatment plan and prognosis. The author has experienced 10 cases of orbital computed tomography(CT) of the blast injury. Therefore, the author report the usefulness and problems of orbital CT for the detection and localization of metallic foreign bodies.
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임효근 대한영상의학회 1987 대한영상의학회지 Vol.23 No.6
CT of 10 calcified herniated lumber discs among 46 operated cases were analysed at the aspects of incidence, location, shape, etc. RESULTS : 1. The incidence of calcificaton is 22%. 2. Among 10 cases, 3 cases are at the level of L4-5 disc space and 7 cases are at the level of L5-S1 disc space. 3. Central harniation are more common than posterolateral herniation. 4. Linear or band-like calcifications in the periphery of herniated disc are 6 cases and dense patchy calcification in the central portion of herniated disc are 4 cases. 5. Two cases of 4 cases with nucleus pulposus type calcification were found to be rupture. 6. Because more wide operation field and invasive exploration were required in calcified cases than non-calcified cases, it is suggested to evaluate the presence, location, and type of calcification in herniated disc in detail.
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Ultrasound Contrast Agent Imaging in Liver Tumors
임효근 대한소화기학회 2002 대한소화기학회 세미나집 Vol.2002 No.-
There has been increasing consensus that the addition of contrast agents has significantly expanded the current role of US into diagnostic territories where CT and MRI have been dominant. Although the results of the recent reports are preliminary and further studies with a large population of patients are needed to clarify the definite role of contrast-enhanced US, current results are considered to provide a great potential in the detection, and characterization of hepatic tumors and evaluation of therapeutic response to local ablation therapy. Contrast-enhanced US studies are used in selected cases in which conventional ultrasound examinations are incomplete or difficult to perform. Wider use of contrast agents in ultrasound examinations will depend on diagnostic accuracy, patient outcomes, and cost-benefit effect. Even if the use of contrast agents needs more cost, they can be effective if they can improve the results of inadequate US studies or decrease the use of more expensive and invasive methods.
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임효근 대한영상의학회 1990 대한영상의학회지 Vol.26 No.3
CT scans of one hundred-three children with cerebral palsy were analized retrospeotively and correlated with various clinical assessment. Incidence of pathologic CT scans was 71%and most common pathology was brain atrophy (45%). Other pathology consisted of brain anomaly (13%), infarction (11%), hydrocephalus(6%), porencephalic cyst (6%), diffuse periventricular low density (5%) and pathologic calcification (4%). No statistically significant correlation could be found between the types of cerebral palsy and incidence of pathologic CT findings. Higher incidence of pathologic CT sacns could be shown in the group that physical handicap was severe and etiological factor was prenatal or postnatal and in the patients with seizure.
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임효근 대한영상의학회 1989 대한영상의학회지 Vol.25 No.2
The ultrasonography is very useful in evaluation of small amount of effusion in hip joint and has several advantages such as noninvasiveness easiness accuracy and no radiation hazard. The data of normal hip joint space and capsule is very important in ultrasonographic evaluation of inflammatory hip joint disease. However normal ultrasonographic data of hip joint has not been reported except in pediatric age. The purpose of this study was to evaluate and measure normal hip joint space and capsule and to provide the basic data for the clinical application, Healthy 70 males and 70 females who have had no past history and present clinical symptom of hip joint were examined with real time sector scanner (5MHz transducer) Width of hip joint spaces and thickness of joint capsule were obtained and analysed by statistical analysis. The results were as follows; 1. The average width of the hip joint space were 2.6$\pm$ 0.6mm(left) in females. There was no significant difference by sex. 2. The widths of the hip joint space were increased with aging and decreased after 6th decade(male) and 5 th decade(female). 3. The maximal difference of both hip joint spaces was 1.2mm and there was no significant difference in both side by sex and age. 4. The average thicknesses of hip joint capsule were 1.9$\pm$0,3mm(right) 1.7$\pm$0,2mm(left) in females. There wan no significant difference by sex. 5. The thicknesses of the hip joint capsule were increased with aging and were in plateau after 5th decade(male and female). 6. The maximal difference of both hip joint capsules was 0.9mm and there was no significant difference in both sides by sex and age. It is therefore considered that ultrasonography could be a very useful modality in diagnosis of hip joint disease in which the hip space and the hip joint capsule are changed by various etilolgies.
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임효근 대한영상의학회 1983 대한영상의학회지 Vol.19 No.1
A case of a pleomorphic giant cell tumor of the pancreas in a 54 year old man is presented. It produced huge cystic mass in the pancreatic area ultrasonographically. Also multiple loculated pancreatic pseudocyst and multiple low densities in liver were presented in computerized tomography. Pathologically this case was a form of giant cell carcinoma which was called epulis-osteoid type, but the osteoid component in this case was not conspicuous.
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임효근 대한영상의학회 1984 대한영상의학회지 Vol.20 No.1
Transcatheter embolization was done in 15 patients with various diseases at department of radiology, Seoul National University Hospital from September 1978 to July 1983 using absolute ethanol, autologous blood clots and gelfoam particles as embolic agents. The results were as follows; 1. Successful embolizations were done in 14 of 15 cases. (Success rate :93%). 2. Most of complication was postembolization syndrome such as fever, nausea, pain but minimal serious complication was very little. 3. Transcatheter embolization appears to be highly valuable adjuvant therapy in debulking of preoperative and inoperable hypervascular mass or treatment of bleeding from various etiology.
KISS
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