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Diagnostic imaging in clinical medicine最新文献

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Uncommon sonographic appearance of an obstructed uterus. A case report. 子宫梗阻的罕见超声表现。一份病例报告。
Diagnostic imaging in clinical medicine Pub Date : 1986-01-01
W J van Rooij, N J Smits, M Heidendal-Jeune
{"title":"Uncommon sonographic appearance of an obstructed uterus. A case report.","authors":"W J van Rooij,&nbsp;N J Smits,&nbsp;M Heidendal-Jeune","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A case of obstruction of the uterus caused by recurrent cervical carcinoma is presented. The ultrasonic appearance of the obstructed uterus changed into a very unusual picture due to rapid tumor infiltration in a short period of time.</p>","PeriodicalId":77706,"journal":{"name":"Diagnostic imaging in clinical medicine","volume":"55 3","pages":"161-3"},"PeriodicalIF":0.0,"publicationDate":"1986-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14645239","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
Graft-versus-host disease of the gastrointestinal tract. 胃肠道移植物抗宿主病。
Diagnostic imaging in clinical medicine Pub Date : 1986-01-01
H M Schuttevaer, H M Kroon, P Chandie Shaw
{"title":"Graft-versus-host disease of the gastrointestinal tract.","authors":"H M Schuttevaer,&nbsp;H M Kroon,&nbsp;P Chandie Shaw","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Forty-two gastrointestinal examinations performed in 24 patients with a history of bone marrow transplantation were analyzed retrospectively. All patients were clinically suspected of a graft-versus-host disease (GVHD) involving the alimentary tract. No specific abnormalities were found in the esophagus or the stomach. Radiographic features of a GVHD of the small bowel are: edema of mucosal folds in ileum and jejunum; effacement of folds towards the ileum; thickening of the bowel wall, and spasms and stenosis with prestenotic dilatation. In the active phase the bowel appears to be shortened. A short transit time was not a specific finding. Follow-up examinations showed partial regression of these findings. Radiological findings in the colon consisted of loss of haustration, thumbprinting, spasms and ulcerations.</p>","PeriodicalId":77706,"journal":{"name":"Diagnostic imaging in clinical medicine","volume":"55 4-5","pages":"254-61"},"PeriodicalIF":0.0,"publicationDate":"1986-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14655746","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
Description of flow phenomena in magnetic resonance imaging. 磁共振成像中流动现象的描述。
Diagnostic imaging in clinical medicine Pub Date : 1986-01-01
M Deimling, E Mueller, G Lenz, K Barth, P Fritschy, M Seiderer, E R Reinhardt
{"title":"Description of flow phenomena in magnetic resonance imaging.","authors":"M Deimling,&nbsp;E Mueller,&nbsp;G Lenz,&nbsp;K Barth,&nbsp;P Fritschy,&nbsp;M Seiderer,&nbsp;E R Reinhardt","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The magnetic resonance (MR) signal from the hydrogen nuclei of blood is not only determined by the MR parameters T1, T2 and proton density, but is strongly dependent on the movement of the protons. Magnetic resonance imaging (MRI) offers therefore the possibility to visualize the distribution of moving spins, especially blood flow, noninvasively and without contrast agents; moreover, the velocity of the moving spins can be quantified. Flow phenomena in MRI are a pretentious field because the complicated hydrodynamics of the living system is coded in the MR signal; therefore, an understanding of the underlying physical principle of the MR signal is required to interpret and extract flow information from the image. However, rather simple theoretical and experimental models of fluid transport in vessels allow to explain the main features of various effects observed in images.</p>","PeriodicalId":77706,"journal":{"name":"Diagnostic imaging in clinical medicine","volume":"55 1-2","pages":"37-51"},"PeriodicalIF":0.0,"publicationDate":"1986-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14753878","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
CT demonstration of calcified post-thrombotic inferior vena cava. 血栓形成后下腔静脉钙化的CT表现。
Diagnostic imaging in clinical medicine Pub Date : 1986-01-01
M A Feldberg, H J Staverman
{"title":"CT demonstration of calcified post-thrombotic inferior vena cava.","authors":"M A Feldberg,&nbsp;H J Staverman","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A calcified thrombus in the inferior vena cava is imaged and exactly located by computed tomography in an adult presenting with acute phlebitis complicating deep venous thrombosis. It is the purpose of this case report to discuss the rare finding of inferior vena caval (IVC) calcification and to demonstrate the computed tomographic (CT) findings of a calcified post-thrombotic inferior vena cava.</p>","PeriodicalId":77706,"journal":{"name":"Diagnostic imaging in clinical medicine","volume":"55 3","pages":"164-7"},"PeriodicalIF":0.0,"publicationDate":"1986-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14756329","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
Cortical hyperostosis and enthesopathy due to long-term etretinate administration. 长期给药引起的皮质骨质增生和神经衰弱。
Diagnostic imaging in clinical medicine Pub Date : 1986-01-01
G L Guit, W R Obermann, J G van der Schroeff, H J Sillevis-Smitt
{"title":"Cortical hyperostosis and enthesopathy due to long-term etretinate administration.","authors":"G L Guit,&nbsp;W R Obermann,&nbsp;J G van der Schroeff,&nbsp;H J Sillevis-Smitt","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Two cases are presented which show a severe ossification disorder that we observed during long-term administration of a synthetic vitamin A analogue (etretinate). The radiologic findings are discussed in relation to the skeletal abnormalities, which occur in chronic vitamin A intoxication and retinoid hyperostosis, which has been recently described in the literature as a side effect of another retinoid (isotretinoin).</p>","PeriodicalId":77706,"journal":{"name":"Diagnostic imaging in clinical medicine","volume":"55 4-5","pages":"214-8"},"PeriodicalIF":0.0,"publicationDate":"1986-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14226903","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
Incidence of fibrillation with isotonic contrast media for intra-arterial coronary digital subtraction angiography. 等张造影剂在冠状动脉内数字减影造影中的纤颤发生率。
Diagnostic imaging in clinical medicine Pub Date : 1986-01-01
T W Morris, K Hayakawa, L G Sahler, S Ekholm
{"title":"Incidence of fibrillation with isotonic contrast media for intra-arterial coronary digital subtraction angiography.","authors":"T W Morris,&nbsp;K Hayakawa,&nbsp;L G Sahler,&nbsp;S Ekholm","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Intra-arterial digital subtraction angiography (DSA) can produce coronary artery opacification with isotonic contrast media. In this study we have examined the importance of electrolyte composition in isotonic formulations on the incidence of fibrillation. Right coronary injections of media were made for 25 s in anesthetized dogs. Isotonic meglumine diatrizoate and iohexol produced fibrillation in more than 68% of the injections, while sodium diatrizoate, saline, meglumine/sodium ioxaglate and iohexol with added sodium diatrizoate never produced fibrillation. These animal studies demonstrate a significantly higher risk of fibrillation (p less than 0.005) with isotonic nonionic and ionic media not containing sodium ions.</p>","PeriodicalId":77706,"journal":{"name":"Diagnostic imaging in clinical medicine","volume":"55 3","pages":"109-13"},"PeriodicalIF":0.0,"publicationDate":"1986-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14645234","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
Iohexol 240 mgr I/ml and metrizamide 240 mgr I/ml in lumbar myelography. Report from a randomized double blind study. Iohexol 240 mgr I/ml和metrizamide 240 mgr I/ml用于腰椎造影。一项随机双盲研究报告。
Diagnostic imaging in clinical medicine Pub Date : 1986-01-01
J Valk, G J Hazenberg, H van Duijn, F Crezee, R Olislagers-De Slegte
{"title":"Iohexol 240 mgr I/ml and metrizamide 240 mgr I/ml in lumbar myelography. Report from a randomized double blind study.","authors":"J Valk,&nbsp;G J Hazenberg,&nbsp;H van Duijn,&nbsp;F Crezee,&nbsp;R Olislagers-De Slegte","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A parallel, double blind, randomized study, comparing iohexol 240 mg I/ml and metrizamide 240 mg I/ml in lumbar myelography was carried out. Fifty patients were admitted to the study, and 1 patient was excluded after entry. Of the 49 patients included, 28 were males and 21 females, aged between 18 and 72 years. A dose of 10.5 ml of contrast medium was administered. A detailed neurological examination, and measurement of blood pressure and heart rate were performed before and 24 h after myelography. EEG was recorded in 37 patients. All patients were observed for adverse reactions for 48 h. Adverse reactions were reported in 14 of 26 patients examined with iohexol, and in 13 of 23 patients examined with metrizamide. EEG changes were observed in 7 patients examined with metrizamide, no changes were observed in patients examined with iohexol. The image quality was judged good or excellent in all cases, with the upper level of contrast medium brought to the level of L1 in the majority of cases.</p>","PeriodicalId":77706,"journal":{"name":"Diagnostic imaging in clinical medicine","volume":"55 3","pages":"114-20"},"PeriodicalIF":0.0,"publicationDate":"1986-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14645235","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
Percutaneous transluminal angioplasty during operation. 术中经皮腔内血管成形术。
Diagnostic imaging in clinical medicine Pub Date : 1986-01-01
G C Meijenhorst, F Linnebank, F W Smit, P J van Elk, L P Driessen
{"title":"Percutaneous transluminal angioplasty during operation.","authors":"G C Meijenhorst,&nbsp;F Linnebank,&nbsp;F W Smit,&nbsp;P J van Elk,&nbsp;L P Driessen","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In certain cases it can be useful to perform percutaneous transluminal angioplasty (PTA) and vascular surgery in the same session. The PTA procedure has to be performed by the radiologist through an artery that has been prepared and visualized by the vascular surgeon. This combined procedure usually lessens the number of hospitalization days and offers the patient the advantage of being cured in one session.</p>","PeriodicalId":77706,"journal":{"name":"Diagnostic imaging in clinical medicine","volume":"55 4-5","pages":"266-9"},"PeriodicalIF":0.0,"publicationDate":"1986-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14080530","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
In vivo tissue analysis by NMR spectroscopy. 体内组织核磁共振光谱分析。
Diagnostic imaging in clinical medicine Pub Date : 1986-01-01
J A den Hollander
{"title":"In vivo tissue analysis by NMR spectroscopy.","authors":"J A den Hollander","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Nuclear magnetic resonance (NMR) spectroscopy can be applied to study metabolism and physiology in living tissues and organisms. It is based upon the ability to identify a number of important metabolites in the NMR spectra. Limiting factors are sensitivity and resolution. Concentrations of small metabolites are 4 orders of magnitude lower than those of tissue water and lipids. The consequent reduction in signal intensity leads to the need of signal averaging, the use of surface coils, and large volumes of interest. High magnetic fields are necessary, both to improve spectral resolution and sensitivity. 31P NMR allows one to measure various phosphate metabolites, such as ATP, phosphocreatine (PCr), and inorganic phosphate (Pi). From the chemical shift of the P1 resonance it is possible to determine the intracellular pH value. 31P NMR is therefore particularly suited to follow energy metabolism. 1H NMR spectroscopy can also be used to measure small metabolites. To do this it is necessary to implement techniques for suppression of the intense water and lipid signals. It has been possible to measure various metabolites, such as lactate, N-acetylaspartate, and amino acids in the brains of laboratory animals. 13C NMR spectroscopy can be used to measure and characterize high-concentration components such as lipids and glycogen. The introduction of 13C-labeled substrates allows one to follow metabolism by the 13C NMR method.</p>","PeriodicalId":77706,"journal":{"name":"Diagnostic imaging in clinical medicine","volume":"55 1-2","pages":"9-19"},"PeriodicalIF":0.0,"publicationDate":"1986-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14144388","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
Functional analysis of magnetic resonance studies of the heart. 心脏磁共振研究的功能分析。
Diagnostic imaging in clinical medicine Pub Date : 1986-01-01
U Buschsieweke, C Prömper, J Smolorz, H Kutzim
{"title":"Functional analysis of magnetic resonance studies of the heart.","authors":"U Buschsieweke,&nbsp;C Prömper,&nbsp;J Smolorz,&nbsp;H Kutzim","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>To calculate left ventricle volumes and ejection fraction, magnetic resonance images (MRI) were acquired in an oblique position in end-diastole and end-systole. The ejection fraction values were compared with results of gated blood pool studies with 99mTc-labelled erythrocytes (correlation coefficient 0.8). Determination of regional wall motion was also possible. A method for acquiring sequences of 16 images per heartbeat was developed. It allows the detection of disturbances of wall motion by using Fourier analysis.</p>","PeriodicalId":77706,"journal":{"name":"Diagnostic imaging in clinical medicine","volume":"55 1-2","pages":"72-6"},"PeriodicalIF":0.0,"publicationDate":"1986-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14753884","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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