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Current opinion in radiology最新文献

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Myocardial perfusion imaging in the diagnosis of coronary artery disease. 心肌灌注显像在冠状动脉疾病诊断中的应用。
Current opinion in radiology Pub Date : 1992-08-01
R T Go, W J MacIntyre, S A Cook, D R Neumann
{"title":"Myocardial perfusion imaging in the diagnosis of coronary artery disease.","authors":"R T Go,&nbsp;W J MacIntyre,&nbsp;S A Cook,&nbsp;D R Neumann","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The role of myocardial perfusion imaging has been extended from diagnosis to management and prognosis in patients with coronary artery disease. Great emphasis has been placed on improving the accuracy of the test to better define perfusion, viability, and the extent of damage of the myocardium. To achieve this goal, investigators have focused on several areas including imaging technique, in which the accuracy of single-photon emission CT has been compared with that of positron emission tomography; radiopharmaceuticals, in which 201Tl has been compared with 99mTc-sestamibi and 99mTc-teboroxime; stress modalities, in which dipyridamole and adenosine stress have been compared with exercise; myocardial viability, as determined by delayed and reinjection 201Tl imaging or by measurement of cellular integrity using 82Rb compared with 18fluorodeoxyglucose metabolic PET imaging; and assessment of myocardial salvage and prognosis by exercise or dipyridamole 201Tl imaging in acute myocardial infarction.</p>","PeriodicalId":77090,"journal":{"name":"Current opinion in radiology","volume":"4 4","pages":"23-33"},"PeriodicalIF":0.0,"publicationDate":"1992-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12794086","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Radiographic contrast media. 放射造影剂。
Current opinion in radiology Pub Date : 1992-08-01
M M Mishkin
{"title":"Radiographic contrast media.","authors":"M M Mishkin","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":77090,"journal":{"name":"Current opinion in radiology","volume":"4 4","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"1992-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12793514","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Coronary angiography and interventional cardiology. 冠状动脉造影和介入心脏病学。
Current opinion in radiology Pub Date : 1992-08-01
T A Shapiro, H C Herrmann
{"title":"Coronary angiography and interventional cardiology.","authors":"T A Shapiro,&nbsp;H C Herrmann","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Percutaneous transluminal coronary angioplasty has become the most commonly applied coronary revascularization procedure. Its growth is due to expanding indications and new patient populations including patients with multivessel coronary artery disease, acute myocardial infarction or cardiogenic shock, and elderly patients. Success rates and complications for percutaneous transluminal coronary angioplasty have remained the same or improved despite the expanding indications and the persistent problem of restenosis. Several recent studies have examined new biologic approaches to restenosis. However, the most exciting area of interventional cardiology continues to be the use and development of new mechanical devices including stents, lasers, and atherectomy for unfavorable anatomic lesions, acute occlusion after angioplasty, and to prevent restenosis. The gold standard in the assessment of coronary disease is still angiography, but newer imaging techniques including intravascular ultrasound and angioscopy have added to our understanding of angioplasty, unstable angina, and the use of new devices.</p>","PeriodicalId":77090,"journal":{"name":"Current opinion in radiology","volume":"4 4","pages":"55-64"},"PeriodicalIF":0.0,"publicationDate":"1992-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12794090","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Current status and extended applications of intravascular stents. 血管内支架的现状及扩展应用。
Current opinion in radiology Pub Date : 1992-08-01
M J Hallisey, B C Parker, A van Breda
{"title":"Current status and extended applications of intravascular stents.","authors":"M J Hallisey,&nbsp;B C Parker,&nbsp;A van Breda","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The introduction of several novel techniques and mechanical devices to interventional radiology has expanded the range of therapies for a variety of medical disorders. Intravascular metallic stents have received widespread acclaim and may possess the most potential of all the newest devices available to the interventionist. The addition of metallic stents to the percutaneous therapeutic arsenal provides the interventionist with a device that can resist the elastic recoil of a stenotic vessel or support a newly created vascular tract. Peripheral artery metallic stent placement holds great promise for the treatment of selected patients; other applications of stents, including transjugular intrahepatic portosystemic stent shunts are likely to have a great impact in patient management. We review the techniques, appropriate indications, and recent clinical results of vascular stents for percutaneous intervention and therapy.</p>","PeriodicalId":77090,"journal":{"name":"Current opinion in radiology","volume":"4 4","pages":"7-12"},"PeriodicalIF":0.0,"publicationDate":"1992-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12794016","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Visceral angiography and embolization. 内脏血管造影和栓塞。
Current opinion in radiology Pub Date : 1992-08-01
D M Coldwell
{"title":"Visceral angiography and embolization.","authors":"D M Coldwell","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>New aspects of both diagnostic and therapeutic angiography are reviewed in the context of tumor therapy, trauma, and portal hypertension. The use of intra-arterial administration of calcium gluconate as a diagnostic challenge for insulinomas, tumor embolization, and chemoembolization are reviewed. The use of angiography for proximity injuries and the therapeutic aspects of embolization in blunt hepatic, pelvic, and splenic trauma are also noted. Angiography in portal hypertension is emphasized as an adjunct to surgery. The use of the transjugular intrahepatic portosystemic shunt is reviewed and is noted to be of great promise.</p>","PeriodicalId":77090,"journal":{"name":"Current opinion in radiology","volume":"4 4","pages":"97-101"},"PeriodicalIF":0.0,"publicationDate":"1992-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12794019","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Radiology of the pancreas. 胰腺放射学。
Current opinion in radiology Pub Date : 1992-06-01
P C Freeny
{"title":"Radiology of the pancreas.","authors":"P C Freeny","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The techniques and applications of pancreatic imaging and interventional pancreatic radiology continued to expand in 1991. The most notable progress was the use of MR imaging for evaluation of the pancreas, particularly the investigation of contrast agents to produce enhancement of the pancreatic parenchyma. These agents offer considerable promise for the future of pancreatic MR imaging. The use of CT for detection and evaluation of complications of pancreatitis continued to grow and new investigations appeared that attempted to define the role of surgery vis-à-vis percutaneous and endoscopic interventional techniques. Finally, further understanding of cystic pancreatic neoplasms developed as the result of new investigations.</p>","PeriodicalId":77090,"journal":{"name":"Current opinion in radiology","volume":"4 3","pages":"54-61"},"PeriodicalIF":0.0,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12748435","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Imaging of the stomach and duodenum. 胃和十二指肠的显像。
Current opinion in radiology Pub Date : 1992-06-01
C I Bartram
{"title":"Imaging of the stomach and duodenum.","authors":"C I Bartram","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Problems in the distinction between gastritis and gastric cancer on CT and the evaluation of cancer on endoscopic ultrasonography have been highlighted. Four cases of gastric cancer in Crohn's disease draw attention to this as a disease-related complication. Patient preference for barium upper gastrointestinal study compared with endoscopy has been challenged, as has the reliability of the radiologic diagnosis of duodenitis. CT in peptic ulcer disease is evaluated and there is continued interest for interventional feeding techniques, with two papers on the fluoroscopic placement of nasoenteric tubes.</p>","PeriodicalId":77090,"journal":{"name":"Current opinion in radiology","volume":"4 3","pages":"26-31"},"PeriodicalIF":0.0,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12749164","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Imaging of the colon. 结肠成像。
Current opinion in radiology Pub Date : 1992-06-01
D W Gelfand
{"title":"Imaging of the colon.","authors":"D W Gelfand","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Once again, the past year produced many papers on diagnostic imaging of the colon. The most widely publicized development affecting performance of barium enemas was the recall of enema tips equipped with latex balloons because of fatal anaphylactic reactions to latex. Using barium enema examinations to screen for colorectal cancer continued to receive attention. Papers were also published on transrectal ultrasound of colorectal tumors and the staging of colon cancer using nuclear medicine.</p>","PeriodicalId":77090,"journal":{"name":"Current opinion in radiology","volume":"4 3","pages":"39-43"},"PeriodicalIF":0.0,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12749166","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Gastrointestinal radiology. 肠胃放射学。
Current opinion in radiology Pub Date : 1992-06-01
{"title":"Gastrointestinal radiology.","authors":"","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":77090,"journal":{"name":"Current opinion in radiology","volume":"4 3","pages":"129-48"},"PeriodicalIF":0.0,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12749162","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Imaging of the liver. 肝脏影像学。
Current opinion in radiology Pub Date : 1992-06-01
R F Thoeni
{"title":"Imaging of the liver.","authors":"R F Thoeni","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The liver continues to be a focus for various imaging methods, but MR imaging received most of the attention with new sequences or modifications of older techniques. Primary and secondary focal liver lesions were studied using various techniques, and most researchers agreed that characterization of lesions is the domain of MR imaging. For actual detection of lesions, particularly for number and size of lesions, CT, especially CT during arterial portography, was still considered the methods of choice. Innovative approaches included three-dimensional image analysis of metastases for segmental localization and fusion of images from several cross-sectional studies for improved characterization of lesions. Assessment of fatty infiltration in the liver was investigated using both CT and MR imaging, but the definitive role of cross-sectional imaging for this purpose is not yet established. Evaluation of venous vascular systems was also investigated using both color Doppler ultrasound and MR imaging, but the role of these techniques vis-á-vis each other needs further definition. Spectroscopy continued to advance but current limitations in localization and processing techniques prevented an enthusiastic endorsement by clinicians. Its potential for assessment of tumor response to chemotherapy is substantial.</p>","PeriodicalId":77090,"journal":{"name":"Current opinion in radiology","volume":"4 3","pages":"44-53"},"PeriodicalIF":0.0,"publicationDate":"1992-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12748434","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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