http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
이종덕,김창근,원종진 圓光大學校 醫科學硏究所 1988 圓光醫科學 Vol.4 No.1-2
There is a variety of imaging modality including radionclide liver scan, hepatic angiography, percutaneous transhepatic cholangiography, ultrasonography, computed tomography(CT), magnetic resonance imaging(MRI) and interventional procedure to radiologic diagnosis of hepatobiliary disorder. Application of new imaging modality is increasing diagnostic precision. To appreciate adequately of CT image after administration of urographic contrast media, pharmacokinetics of contrast media within the normal and abnormal tissue is described Review of various CT examination technique and the accuracy of various imaging modality in detection the intrahepatic focal lesion is described.
유방암 환자에서 Tc-99m Tetrofosmin Scintimammography의 진단적 유용성
이광만,원종진,최시성,박기한,김창근,이종덕,윤권하 대한핵의학회 1999 핵의학 분자영상 Vol.33 No.5
Purpose: The purpose of this study was to evaluate the diagnostic usefulness of scintimammography performed with Tc-99m tetrofosmin in the detection of primary breast cancer. Materials and Methods: Sixty-one patients underwent Tc-99m tetrofosmin scintimammography, plain-filrn mammography and ultrasonography. After intravenous injection of Tc-99m tetrofosmin (740 MBq), prone lateral and anterior scintimammograms were obtained. Scintimammogram was visually interpreted as positive, probably positive, probably negative and negative for malignancy. The tumor to background count ratio (T/B) was measured at 5 minutes and 1 hour. Plain-film mammogram was interprcted as one of 5 categories. Final diagnosis was achieved by surgical histology (58/61) or fine needle aspiration (3/61). Of 61 patients, 44 had cancer and 17 had benign lesion. Tumor size of malignant and benign lesions on ultrasonogram were 2.51 ±1.30 cm (range 1-8 cm), 2.50 ±1.35 cm (range 0.96-6 cm), respectively. Results: The sensitivity of plain-film mammography was 88.6%, specificity 58.8%, positive predictive value 84.7%, and negative predictive value 66.7%. The sensitivity of Tc-99m tetrofosmin scintimammography was 90.9%; specificity, 88.2%; positive predictive value, 94.9%; negative predictive value, 78.9%. Of 25 patients with indeterminate degree of suspicion for malignancy on plain-film mammogram, 23 were correctly diagnosed by scintimamography. The T/B at 5 minutes and 1 hour were 3.78 ±2.21, 3.25 ±1.80 respectively. The T/B was decreased significantly at 1 hour (p$lt;0.001). Conclusion: Tc-99rn tetrofosrnin scintimammography was useful diagnostic procedure in the detection of primary breast cancer, especially in patients with indeterminate degree of suspicion for malignancy on plain-film mammogram. (Korean J Nucl Med 1999;3.3:452-460)
MR Imaging of Intradural Spinal Lipoma : A Case Report 1예 보고
Choi, See-Sung,Lee, Jong-Deuk,Juhng, Seon-Kwan,Roh, Byung-Suk,Kim, Chang-Guhn,Won, Jong-Jin 圓光大學校 醫科學硏究所 1996 圓光醫科學 Vol.12 No.2
아주 드물게 발생하는 경막내 척추 지방종이 흉추부에서 발생한 1예를 보고한다. 자기공명영상은 시상면에서 종양의 상부와 하부 범위를 분명하게 보여 주었으며, 또한 종양과 척수와의 관계도 잘 나타내주었다. A case of intradural spinal lipoma in thoracic region is presented. MR imaging clearly showed the upper and lower extent of the tumor on the sagittal images. The relation of the tumor to the cord was also well shown.
흰쥐에서 Iodine-131-Iododeoxyadenosine 의 생체분포 및 유방암 영상화에 관한 연구
김혜원,원종진,최시성,이현철,김창근,김선구,Yang, David J,이강무,민병철,이종덕,Kim, E Edmund 대한핵의학회 1998 핵의학 분자영상 Vol.32 No.4
Purpose: I-131 labeled (2'-deoxy-2-iodo-β-D-arabinofuranosyl) adenine (IAD) may be involved in DNA synthesis during active proliferation of tumor cells. We conducted this study to find out the biodistribution of IAD and its feasibility for scintigraphic tumor imaging. Materisls and Methods: Tosyl acetyl-adenosine was dissolved in acetonitrile, and I-131-NaI was added and heated to synthesize IAD. Female Fisher 344 rats innoculated with breast tumor cells were injected witb 0.27 MBq of IAD. Rats were sacrificed at 0.5, 1, 2, 4, 24h and the % of injected dose per gram of tissue (%ID/g) was determined. For scintigraphy, rats bearing breast cancer were administered with 1.11 MBq of IAD and imaging was perforrned after 2 and 24h. Then, rat body was fixed and rnicrotomized slice was placed on radiographic film for autoradiography, Results: %ID/g of tumor wa.' 0.74 (0.5h), 0.73 (1h), 0.55 (2h), 0.38 (4h), and 0.05 (24h), respectively. At 1h after injection, %ID/g of tumor was higher than that of heart (0.34), liver (0.42), spleen (0.47), kidney (0,69), muscle (0.14), bone (0.33) and intestine (0.51). However, %1D/g of tumor was lower than blood (1.06), lung (0.77), and thyroid (177.71). At 4h, %ID/g of tumor in comparison with other tissue did not change. Tumor contrast expressed by tumor to blood ratio was 0.69 and tumor to muscle ratio was 5.11 at 1h. However, these ratios did not improve through 24h. On autoradiogram and scintigraphy at 2 and 24 hour, the tumor was well visualized. Conclusion: This results suggest that Ial) may have a potential for tumor scintigraphy. However, further work is needed to improve localization in tumor tissue. (Korean J Nucl Med 1998;32:374-81)