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Current opinion in radiology最新文献

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Radiographic diagnosis and treatment of erectile dysfunction. 勃起功能障碍的影像学诊断与治疗。
Current opinion in radiology Pub Date : 1992-04-01
A N Schwartz
{"title":"Radiographic diagnosis and treatment of erectile dysfunction.","authors":"A N Schwartz","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Within the past 10 years, the study of erectile function has witnessed a rapid expansion of knowledge. New anatomic and physiologic theories, diagnostic procedures, and treatments have all been developed. As with all new medical concepts, there is active and healthy controversy. The papers reviewed demonstrate an early consensus of opinion for some ideas and a difference of opinion for others. Published ideas and conclusions have been strongly influenced by the incomplete evolution of the diagnostic methods, by patient psychologic inhibition interfering with objective testing, and by particular perspectives of the investigator biasing the final interpretation. This update of the radiologic assessment and therapy of erectile dysfunction presents recently published works and background related to their development.</p>","PeriodicalId":77090,"journal":{"name":"Current opinion in radiology","volume":"4 2","pages":"39-50"},"PeriodicalIF":0.0,"publicationDate":"1992-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12722501","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
A decade of changes in radiation protection. 辐射防护的十年变化。
Current opinion in radiology Pub Date : 1992-04-01
J E Moulder
{"title":"A decade of changes in radiation protection.","authors":"J E Moulder","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Although radiation protection standards have changed remarkably little over the past decade, there have been changes in our understanding of radiation hazards that may affect the practice of radiation medicine over the next decade. With recognition of indoor radon exposure has come a new focus for public health concerns, because it is now clear that radon rather than medical exposure is the largest controllable source of radiation exposure to the general public. Continued follow-up of irradiated populations has led to an increase in our estimate of the cancer risk for high-dose exposures; this increased risk estimate is, in turn, leading to decreases in radiation exposure limits. Although our concern about the carcinogenic risk for radiation exposure has increased, our concern about genetic consequences has decreased, because no genetic effects have yet been observed in the offspring of atomic bomb survivors. Studies of atomic bomb survivors have also led to a change in the focus of concern over prenatal radiation exposure; the principle risk now appears to be mental retardation rather than childhood cancer.</p>","PeriodicalId":77090,"journal":{"name":"Current opinion in radiology","volume":"4 2","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"1992-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12722605","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
New ultrasound observations of fetal anomalies in the second trimester. 妊娠中期胎儿异常的超声新观察。
Current opinion in radiology Pub Date : 1992-04-01
L M Hill
{"title":"New ultrasound observations of fetal anomalies in the second trimester.","authors":"L M Hill","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Accurate prenatal diagnosis of fetal anomalies is essential for making decisions on pregnancy management options and for the determination of recurrence risk. However, the types of congenital anomalies that should be diagnosed using routine sonography are difficult to define. Factors that can affect the ultrasonographic detection of a particular congenital abnormality include equipment resolution, the time in gestation when the anomaly becomes apparent, and sonographer or sonolist experience. This review outlines the work that has been done over the past year to improve the detection rate of specific second trimester congenital malformations.</p>","PeriodicalId":77090,"journal":{"name":"Current opinion in radiology","volume":"4 2","pages":"93-101"},"PeriodicalIF":0.0,"publicationDate":"1992-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12722508","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
Staging of gynecologic malignancies using cross-sectional imaging. 妇科恶性肿瘤的横断影像分期。
Current opinion in radiology Pub Date : 1992-04-01
D DePaola-Williams, M C Javitt
{"title":"Staging of gynecologic malignancies using cross-sectional imaging.","authors":"D DePaola-Williams,&nbsp;M C Javitt","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Because clinical staging of gynecologic malignancies often underestimates the extent of disease, preoperative and staging work-up has routinely included cross-sectional imaging, usually CT or MR imaging. The use of ultrasound has been primarily for the evaluation of pelvic masses of unknown origin. None of these modalities has proved efficacious for screening patients for malignancy. Rather, the major indication for CT or MR imaging in this setting has been for delineating the extent of disease, and in so doing, tailoring the choice of therapy with accurate pretreatment or preoperative staging.</p>","PeriodicalId":77090,"journal":{"name":"Current opinion in radiology","volume":"4 2","pages":"51-7"},"PeriodicalIF":0.0,"publicationDate":"1992-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12722502","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
Cervical, cerebrovascular, and peripheral vascular ultrasound. 宫颈、脑血管和周围血管超声。
Current opinion in radiology Pub Date : 1992-04-01
G A Gooding
{"title":"Cervical, cerebrovascular, and peripheral vascular ultrasound.","authors":"G A Gooding","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Refinements in the sonographic diagnosis of cerebrovascular disease and transcranial applications, which continue to expand, are detailed. Peripheral arterial and cervical indications for ultrasound are also included.</p>","PeriodicalId":77090,"journal":{"name":"Current opinion in radiology","volume":"4 2","pages":"61-8"},"PeriodicalIF":0.0,"publicationDate":"1992-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12722503","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
Ultrasound of gynecologic pathologies. 妇科病理超声诊断。
Current opinion in radiology Pub Date : 1992-04-01
F C Laing
{"title":"Ultrasound of gynecologic pathologies.","authors":"F C Laing","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Since the introduction of vaginal transducers and color Doppler ultrasound, there has been renewed interest in evaluating the female pelvis. Several recently published manuscripts presented convincing material that suggests benign and malignant ovarian and uterine pathologies can be distinguished from each other on the basis of their vascularity. Duplex Doppler signals obtained from malignant tumors tend to demonstrate a low resistance pattern with continuous blood flow throughout the cardiac cycle. Benign lesions, in contrast, tend to display a more resistive pattern. The role of ultrasound in pediatric gynecologic conditions has also been nicely summarized in several recent papers. These are also discussed.</p>","PeriodicalId":77090,"journal":{"name":"Current opinion in radiology","volume":"4 2","pages":"78-84"},"PeriodicalIF":0.0,"publicationDate":"1992-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12722505","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
Color Doppler ultrasound of the genitourinary tract. 泌尿生殖道彩色多普勒超声检查。
Current opinion in radiology Pub Date : 1992-04-01
S Z Jafri, B L Madrazo, J H Miller
{"title":"Color Doppler ultrasound of the genitourinary tract.","authors":"S Z Jafri,&nbsp;B L Madrazo,&nbsp;J H Miller","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>This paper discusses the role of color Doppler ultrasonography (CDU) as it applies to the genitourinary tract. CDU is beneficial in evaluating both the native and allograft kidney in the diagnosis of renal arterial and venous stenosis, arteriovenous fistulas, pseudoaneurysms, arterial and venous thrombosis, and in the characterization and staging of renal masses. CDU has redefined the role of ultrasonography in the evaluation of the scrotum as it relates to testicular torsion, inflammatory disorders and varicoceles. Early results of CDU in prostate carcinoma and benign prostate hypertrophy have shown limited success. Identifying and assessing the neurovascular bundle may have an impact on the staging of prostate carcinoma. It is hoped that the future addition of ultrasound contrast agents will further establish the role of color Doppler in the diagnosis of a variety of genitourinary diseases and disorders.</p>","PeriodicalId":77090,"journal":{"name":"Current opinion in radiology","volume":"4 2","pages":"16-23"},"PeriodicalIF":0.0,"publicationDate":"1992-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12722610","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
Temporomandibular joint imaging. 颞下颌关节成像。
Current opinion in radiology Pub Date : 1992-02-01
R Hermans, J L Termote, G Marchal, A L Baert
{"title":"Temporomandibular joint imaging.","authors":"R Hermans,&nbsp;J L Termote,&nbsp;G Marchal,&nbsp;A L Baert","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Pain and discomfort caused by internal derangement of the temporomandibular joint are frequent in our society. Patients can present with very divergent complaints, not always clearly related to the temporomandibular joint. Good imaging studies of the temporomandibular joint that can show the presence or absence of a problem and give an idea as to type of disease and its seriousness are, therefore, necessary. The choice of which imaging study to use largely depends on whether MR imaging is easily available. Ongoing investigations show that MR imaging of the temporomandibular joint not only depicts the soft tissue derangements very well, but also shows the associated bony changes. However, the exact significance of disk displacement is not always clear because anterior displacement is also seen in asymptomatic volunteers and after clinically successful treatment.</p>","PeriodicalId":77090,"journal":{"name":"Current opinion in radiology","volume":"4 1","pages":"141-7"},"PeriodicalIF":0.0,"publicationDate":"1992-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12902263","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 degenerative processes of the spine. 脊柱退行性突起的影像学。
Current opinion in radiology Pub Date : 1992-02-01
C Manelfe
{"title":"Imaging of degenerative processes of the spine.","authors":"C Manelfe","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Because MR imaging provides accurate, clear, and noninvasive imaging for diseases of the spine and spinal cord, it has become the primary imaging modality in patients with spinal pathology. Degenerative processes of the spine are frequent, including disk degeneration and herniations, spondylosis, spinal canal stenoses, calcifications, and ossifications of the spinal ligaments. Several papers have been published recently on MR imaging in degenerative processes of the spine.</p>","PeriodicalId":77090,"journal":{"name":"Current opinion in radiology","volume":"4 1","pages":"63-70"},"PeriodicalIF":0.0,"publicationDate":"1992-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12903002","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
Head and neck. 头和脖子。
Current opinion in radiology Pub Date : 1992-02-01
{"title":"Head and neck.","authors":"","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":77090,"journal":{"name":"Current opinion in radiology","volume":"4 1","pages":"166-70"},"PeriodicalIF":0.0,"publicationDate":"1992-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12902995","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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