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Computer Diagnosis of Breast Cancer by Mammogram Processing 乳房x光片处理对乳腺癌的计算机诊断
Radiologia diagnostica Pub Date : 1993-01-01 DOI: 10.1007/978-3-642-49351-5_102
H. Kobatake, Hua Jin, Y. Yoshinaga, S. Nawano
{"title":"Computer Diagnosis of Breast Cancer by Mammogram Processing","authors":"H. Kobatake, Hua Jin, Y. Yoshinaga, S. Nawano","doi":"10.1007/978-3-642-49351-5_102","DOIUrl":"https://doi.org/10.1007/978-3-642-49351-5_102","url":null,"abstract":"","PeriodicalId":20972,"journal":{"name":"Radiologia diagnostica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89725596","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: 14
[Acute changes of coronary and global hemodynamics in patients with angina pectoris and arterial hypertension caused by celiprolol and metoprolol]. [塞利洛尔和美托洛尔致心绞痛和动脉高血压患者冠状动脉和全身血流动力学的急性变化]。
Radiologia diagnostica Pub Date : 1990-01-01
N Franz, D Modersohn, G Linss, B Heublein, G Gola, L Bruch, T Walde
{"title":"[Acute changes of coronary and global hemodynamics in patients with angina pectoris and arterial hypertension caused by celiprolol and metoprolol].","authors":"N Franz,&nbsp;D Modersohn,&nbsp;G Linss,&nbsp;B Heublein,&nbsp;G Gola,&nbsp;L Bruch,&nbsp;T Walde","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In 30 hypertensives with angina pectoris the acute action of beta-blockers Celiprolol and Metoprolol on the global and coronary haemodynamics was tested within cardiac catheter diagnostics. In accordance with no long-term effects Metoprolol acts negatively inotrope, chronotrope as well as pre- and post-load increasing. Celiprolol lowered the pre- and postload, and increased the cardiac output, but did not influence the heart rate. Both medicaments increased coronary flow and myocardiac oxygen consumption. From the mentioned effects important conclusions for therapy with both Beta-blockers can be derived.</p>","PeriodicalId":20972,"journal":{"name":"Radiologia diagnostica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13139846","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
[Castaneda-de Leval's modified Fontan operation in complex cyanotic defects with subsequent percutaneous transluminal embolization of systemic pulmonary collaterals]. [Castaneda-de Leval改良Fontan手术治疗复杂紫绀型缺陷并随后经皮腔内栓塞全身肺侧枝]。
Radiologia diagnostica Pub Date : 1990-01-01
B Schubel, V Gliech, H Warnke, B Göldner
{"title":"[Castaneda-de Leval's modified Fontan operation in complex cyanotic defects with subsequent percutaneous transluminal embolization of systemic pulmonary collaterals].","authors":"B Schubel,&nbsp;V Gliech,&nbsp;H Warnke,&nbsp;B Göldner","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The case of a five year old boy with a double-inlet-left-ventricle and the aorta in 1-malposition, large VSD, ASD and pulmonary stenosis is reported, that showed after modified Fontan surgery severe effusions and a severe protein loss syndrome. Aortopulmonary collaterals were detected as the cause of this and successfully treated in several sessions by percutaneous transluminal embolization.</p>","PeriodicalId":20972,"journal":{"name":"Radiologia diagnostica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13250247","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
[The validity of selected nuclear medicine imaging procedures (brain, skeletal, and hepatobiliary diagnosis)]. [选定的核医学成像程序(脑、骨骼和肝胆诊断)的有效性]。
Radiologia diagnostica Pub Date : 1990-01-01
H Deckart, J Franke, B Hassler, K F Pfitzmann, K Zerbes
{"title":"[The validity of selected nuclear medicine imaging procedures (brain, skeletal, and hepatobiliary diagnosis)].","authors":"H Deckart,&nbsp;J Franke,&nbsp;B Hassler,&nbsp;K F Pfitzmann,&nbsp;K Zerbes","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In a retrospective study we tested several scintigraphic investigations for a total of 2,014 patients. As reference we used the results of biopsy, autopsy or the epicritic final diagnosis before emission, summing all clinical signs as well as the results of additional alternative methods and other imaging methods. Criteria of validity (sensitivity, specificity, diagnostic accuracy) are used in a consistent manner. Brain perfusion scintigraphy detected acute cerebral perfusion disorder with a sensitivity of 0.87, differentiating for reversible and irreversible lesions. Carotid angiography had the same diagnostic validity. Because there is no loss of brain substance, the validity of CT and static brain scintigraphy was lower. Skeletal scintigraphy was highly sensitive for the detection of primary and secondary bone tumours as well as for the detection of inflammations and occult fracture. RHS-scintigraphy of the liver, presently used for tumour and metastasis diagnostics after sonography and CT, had a sensitivity of 0.79. It was more sensitive for detecting inflammatory RHS-liver disease (sensitivity 0.95). Biliary scintigraphy was seen under the surgical aspect only for selected questions. It was sensitive for the detection of biliary cyst disorder and the elucidation of complaints after biliary tract sanitation (sensitivities 0.92 and 0.84) and for the detection of duodenogastric reflux (0.7), but was of limited diagnostic value for the differentiation of hepatocellular and obturation icterus with a sensitivity of 0.5.</p>","PeriodicalId":20972,"journal":{"name":"Radiologia diagnostica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13342675","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
[Kniest's dysplasia]. [克奈斯特发育不良]。
Radiologia diagnostica Pub Date : 1990-01-01
S Tscherninkov, A Alexandrov
{"title":"[Kniest's dysplasia].","authors":"S Tscherninkov,&nbsp;A Alexandrov","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Three women with dwarfism and skeletal defects characteristic for Kniest's dysplasia are described. In two of the patients (from two generations of one family) there are only skeletal defects. In the third patient they are combined with other symptoms pertaining to the tendons, the sclerae, the eye lenses, the retinal vessels and loss of hearing. This allows the conclusion of genetic variations of the disease--such pertaining to the skeleton and others, where the inferiority of collagen is not limited to the skeleton.</p>","PeriodicalId":20972,"journal":{"name":"Radiologia diagnostica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13516217","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
[Magnet systems for magnetic resonance tomography]. [用于磁共振断层成像的磁体系统]。
Radiologia diagnostica Pub Date : 1990-01-01
W H Müller
{"title":"[Magnet systems for magnetic resonance tomography].","authors":"W H Müller","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In the past fifteen years, Magnetic Resonance Tomography (MRT) has become a valuable tool for medical diagnostics. At the same time, Magnetic Resonance Spectroscopy (MRS) has attracted more and more attention in medical and other related areas of investigations. For both methods it is necessary to provide a magnetic field, which can be generated by resistive magnets, by permanent magnets as well as by superconducting magnets. These three concepts are described and compared together with the advantages of each design and the considerations that must be addressed regarding the planned use and the availability of a suitable site. In addition to the main magnet important additions like gradient and shim coils, aspects of site planning and future problems are discussed.</p>","PeriodicalId":20972,"journal":{"name":"Radiologia diagnostica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13389192","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
[Difficulty in determining ultrasonic attenuation values from selective echograms]. [从选择性超声图中确定超声衰减值的困难]。
Radiologia diagnostica Pub Date : 1990-01-01
M Petzold, K Gräfenstein, K V Jenderka, K P Richter
{"title":"[Difficulty in determining ultrasonic attenuation values from selective echograms].","authors":"M Petzold,&nbsp;K Gräfenstein,&nbsp;K V Jenderka,&nbsp;K P Richter","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The value of tomography is beyond all doubt. Custom systems allow the quantitative assessment of topographic and kinetic parameters of various organs and the blood. The assessment of tissue, however, is still qualitative and experimental methods for quantitative tissue characteristics are still expensive. We propose a method, that allows the determination of attenuation coefficients with little technical expense.</p>","PeriodicalId":20972,"journal":{"name":"Radiologia diagnostica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13389194","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
[The determination of the density of the tissue in selected muscles of normal subjects--a prerequisite to the computed tomographic diagnosis of myopathies]. [正常受试者选定肌肉组织密度的测定——肌病计算机断层扫描诊断的先决条件]。
Radiologia diagnostica Pub Date : 1990-01-01
I Gellerich, H Beyer, U Schmidt
{"title":"[The determination of the density of the tissue in selected muscles of normal subjects--a prerequisite to the computed tomographic diagnosis of myopathies].","authors":"I Gellerich,&nbsp;H Beyer,&nbsp;U Schmidt","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Radio-density analysis of selected muscles of normal probands exhibited differences in dependence on age and sex of the probands. Men have a higher muscle density than women. With increasing age muscle densities decrease but with different extent for various muscles. The main value for the decreasing muscle density is 2 HE in 10 years. Well trained sportsmen exhibit slightly increased densities with a significant decreased range of derivations from the mean values. That means their muscles show a more homogeneous density distribution than the controls.</p>","PeriodicalId":20972,"journal":{"name":"Radiologia diagnostica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13428333","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
[Radiogenic pneumopathy in irradiated breast cancer--a follow-up assessment based on chest radiographs]. [放疗乳腺癌的放射源性肺病——基于胸部x线片的随访评估]。
Radiologia diagnostica Pub Date : 1990-01-01
H Tellkamp, J Schorcht, U Roy, C Winkler
{"title":"[Radiogenic pneumopathy in irradiated breast cancer--a follow-up assessment based on chest radiographs].","authors":"H Tellkamp,&nbsp;J Schorcht,&nbsp;U Roy,&nbsp;C Winkler","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In 232 surgically treated and irradiated patients with breast carcinoma 27 cases of radiogeneous pneumopathia were found and analyzed in the chest radiograph. Special attention was given to the evaluation of the stage and the course of the radiation pneumonitis. No correlation between clinical results and x-ray symptoms was seen. Not every roentgenologically diagnosed pneumonitis is seen in the late follow-up as a fibrosis. The reasons for this are discussed. For the improved detectability of pneumonitic changes in the p.a. or lateral image no significant differences were found and no general rules. Additional CT-investigations of the chest demonstrated the radiogeneous lung changes more clearly and more exactly in its depths. Therefore an exact use of CT in the diagnostics of pneumonitis can be useful, but must be seen under the aspects of relevant therapy the availability of methods and economy.</p>","PeriodicalId":20972,"journal":{"name":"Radiologia diagnostica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13430673","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
[Computer-aided image processing of digital subtraction angiographs of the pelvis-leg region]. 骨盆-腿部区域数字减影血管造影的计算机辅助图像处理。
Radiologia diagnostica Pub Date : 1990-01-01
C Rühlmann, K Kriesel, B Kuklinski, W Kriesel, K Freyer, M Steinert, H C Treutler
{"title":"[Computer-aided image processing of digital subtraction angiographs of the pelvis-leg region].","authors":"C Rühlmann,&nbsp;K Kriesel,&nbsp;B Kuklinski,&nbsp;W Kriesel,&nbsp;K Freyer,&nbsp;M Steinert,&nbsp;H C Treutler","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Within a clinical study on possible regression of arteriosclerotic processes in humans i.v. DSA-images were made and objectively evaluated. For the first time the digital system Densitron 4 was used for this. The image processing nodes of contrast enhancement, gray-scale and color conversion and stenosis evaluation by density sums are demonstrated for two selected cases from 52 intravenous digital subtraction angiographies of the pelvis-leg region. The results show, that digital image processing can enhance information-relevant detail. The preprocessing of densitometric values accounts for the third dimension of the vessel in its morphologic description. Compared with subjective visual evaluation the digital image interpretation facilitates a much higher degree of detectability of small detail located near the vessel walls and a more objective and reproducible evaluation of the degree of stenosis.</p>","PeriodicalId":20972,"journal":{"name":"Radiologia diagnostica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13491715","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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