Abstract:
:Magnetic resonance (MR) has become an important tool in the evaluation of the child who has congenital heart disease. Current techniques and applications of MR in the evaluation of great vessels, vascular causes of airway obstruction, and the postoperative patient are discussed.
journal_name
Radiol Clin North Amjournal_title
Radiologic clinics of North Americaauthors
Bank ERsubject
Has Abstractpub_date
1993-05-01 00:00:00pages
553-72issue
3eissn
0033-8389issn
1557-8275journal_volume
31pub_type
杂志文章,评审abstract::Minor trauma to the foot may cause stress fracture, avulsion fracture or ligamentous and tendon injury. Plain radiographs are frequently normal. Radionuclide bone scan is a sensitive detector of early bone injury. A stress fracture may develop focal uptake or diffuse uptake throughout the bone involved. MR imaging is ...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:
更新日期:1990-03-01 00:00:00
abstract::This article discusses two commonly used techniques advocated to improve screening mammography performance: double reading (DR) and computer-aided detection (CAD). Analysis of these methods is incomplete because no randomized controlled trials have been performed to assess changes in survival. Although DR and CAD have...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.rcl.2007.06.004
更新日期:2007-09-01 00:00:00
abstract::Imaging has a key role in the identification of bronchiectasis. Over the years, imaging tests have become increasingly accurate in depicting the features of early bronchiectasis. This article covers the clinical, pathologic, and functional features of bronchiectasis; high-resolution CT scan technique; the signs of bro...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/s0033-8389(05)70009-9
更新日期:1998-01-01 00:00:00
abstract::Congenital nonvascular anomalies of the lung can be subdivided into those affecting the bronchial tree and those affecting parenchymal abnormalities. Embryologic development of the lung is briefly reviewed to facilitate an understanding of developmental pulmonary anomalies. Clinical, radiographic, and therapeutic aspe...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:
更新日期:1991-03-01 00:00:00
abstract::Disease of the thoracic aorta can present with a broad clinical spectrum of symptoms and signs. The accepted diagnostic gold standard, selective digital subtraction angiography, is now being challenged by state-of-the-art CT angiography (CTA) and MR angiography(MRA). Currently, in many centers, cross-sectional imaging...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.rcl.2004.03.005
更新日期:2004-05-01 00:00:00
abstract::In the mid-1980s, the incidence of tuberculosis (TB) in the United States increased. Recently, TB became an index diagnosis for AIDS. Chest radiographs in patients with AIDS and TB may be atypical; various features are addressed in this article. Radiologists should be aware of the possibility of TB because this diseas...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:
更新日期:1995-07-01 00:00:00
abstract::CT currently plays a vital role in pancreatic cancer staging. Continued advancements in computers, scanner technology, and 3D software have improved CT detection of smaller masses and staging. In particular, the introduction of MDCT and real-time 3D volume-rendering software have greatly improved the visualization of ...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/s0033-8389(02)00041-6
更新日期:2002-12-01 00:00:00
abstract::The equipment used in digital subtraction angiography is a combination of x-ray equipment and high-speed image-processing equipment. In this article, the components of a DSA system are described, including the x-ray generator, x-ray tube, image intensifier, television system, analog-to-digital (A-D) convertor, image p...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章
doi:
更新日期:1985-06-01 00:00:00
abstract::Ultrasonography is a dynamic, powerful, and readily available tool in the armamentarium of biliary diagnosis. The use of this modality is indicated in the initial work-up of jaundice since ultrasonography is exquisitely sensitive to the presence of intrahepatic or extrahepatic biliary dilatation. The liver and pancrea...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:
更新日期:1991-11-01 00:00:00
abstract::The excretion urogram-nephrotomogram is the most important imaging study in the diagnosis of renal parenchymal infection in children. If renal parenchymal infections are discovered before significant necrosis has occurred, vigorous treatment with appropriate parenteral antibiotics may result in resolution without the ...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章
doi:
更新日期:1977-04-01 00:00:00
abstract::Neurogenic tumors of the neck occur in children and adults. Important parameters to aid in the differential diagnosis are age at presentation, location, and a history of NF or multiple endocrine neoplasia. Schwannoma is the most common solitary neurogenic tumor in the neck and is usually seen in patients between 20 an...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/s0033-8389(05)70222-0
更新日期:2000-09-01 00:00:00
abstract::Congenital cardiac lesions in the adult have characteristic roentgen patterns that should be recognized by the radiologist. In other instances, abnormalities in the aorta or the position of the organs can indicate the likelihood of associated cardiac anomalies. An increasing number of congenital cardiac patients are s...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/s0033-8389(05)70101-9
更新日期:1999-03-01 00:00:00
abstract::This article presents an update of the field of percutaneous discectomy and a perspective as to where percutaneous discectomy currently fits in the treatment of patients with herniated discs. The future of minimally invasive disc surgery is also entertained, and a novel approach to lumbar disc surgery is presented. ...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/s0033-8389(05)70041-5
更新日期:1998-05-01 00:00:00
abstract::Radiographic imaging of the chest remains one of the most important and most challenging problems in radiology. The wide range of information that results from the great variation of radiation behind the lungs compared with that behind the mediastinum creates a very difficult imaging problem. The introduction and cont...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章
doi:
更新日期:1985-06-01 00:00:00
abstract::Technical advances in high-resolution ultrasound have brought ultrasound to the forefront of thyroid imaging. Despite the seeming similarity in the imaging appearance of diffuse thyroid diseases, the radiologist should be able to identify patients with diffuse thyroid abnormality, be aware of the spectrum of the imagi...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.rcl.2011.02.002
更新日期:2011-05-01 00:00:00
abstract::Pulmonary infections are among the most common causes of morbidity and mortality worldwide, and contribute substantially to annual medical expenditures in the United States. Despite the availability of antimicrobial agents, pneumonia constitutes the sixth most common cause of death and the number one cause of death fr...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.rcl.2005.10.009
更新日期:2006-03-01 00:00:00
abstract::Adrenal tumors include those of neural and cortical origin. Although most neuroblastomas present as abdominal masses, pheochromocytomas and cortical tumors usually present with endocrine dysfunction. Although imaging may not be able to differentiate benign lesions from malignant tumors, or whether they arise in the ad...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.rcl.2011.05.001
更新日期:2011-07-01 00:00:00
abstract::Evolution in computed tomography technology and image reconstruction have significantly changed practice. Dual energy computed tomography is being increasingly adopted owing to benefits of material separation, quantification, and improved contrast-to-noise ratio. The radiation dose can match that from single energy co...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.rcl.2018.03.002
更新日期:2018-07-01 00:00:00
abstract::Pediatric head and neck neuroradiology is a broad and complex topic. This article focuses on several of the common and sometimes challenging pediatric head and neck congenital/developmental anomalies physicians may encounter in clinical practice. Although some diagnoses may be evident on physical examination, others m...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.rcl.2014.09.006
更新日期:2015-01-01 00:00:00
abstract::The past decade has brought rapid advances in CT technology, which allows increasingly precise application to the study of coronary arteries and acute chest pain. The literature has expanded to lend quantifiable justification to the intuitive appeal of a rapid, reproducible, 3D study of the heart and vasculature. More...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.rcl.2010.05.003
更新日期:2010-07-01 00:00:00
abstract::The number of pancreas transplants performed and the success rate have increased significantly since the first segmental pancreas transplant was performed in 1966. Since 1977, 716 pancreas transplants have been performed in 670 patients at 69 institutions. Currently 230 grafts (32 per cent) are listed as functioning (...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:
更新日期:1987-03-01 00:00:00
abstract::Nuclear medicine imaging of the breast is a US Food and Drug Administration-approved imaging modality that is being integrated into clinical practice to increase the armamentarium of tools available to diagnose breast cancer. The authors' practice, and others that have integrated nuclear medicine imaging of the breast...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.rcl.2010.06.008
更新日期:2010-09-01 00:00:00
abstract::Detection of muscle invasion is a critical aspect in management of urinary bladder cancer. MR imaging has the potential and promise of delivering this premise noninvasively. This article reviews the current status of MR imaging in evaluation of bladder cancer. Also discussed are other important neoplastic and nonneopl...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.rcl.2012.08.011
更新日期:2012-11-01 00:00:00
abstract::Posttreatment imaging is important to ensure early detection of oncological complications, and appropriate timing and frequency is an important consideration, especially in high-risk patients. Focused magnetic resonance (MR) imaging is the preferred modality for detection of local recurrence of soft tissue tumors and ...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.rcl.2011.07.011
更新日期:2011-11-01 00:00:00
abstract::Improvements in scan speed and resolution are changing the role of the pulmonary imager. An understanding of airway mechanics and blood flow physiology is required to take full advantage of the new technology. Assessment of regional airflow and blood flow provides information that is currently unavailable from clinica...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:
更新日期:1994-07-01 00:00:00
abstract::Each of the various techniques used for the diagnosis and staging of lung cancer has its advantages and limitations (Table 1). Imaging has a major role in guiding these procedures and deciding which of them is most appropriate in a given clinical setting. A CT examination by which the size and location of the parenchy...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/s0033-8389(05)70183-4
更新日期:2000-05-01 00:00:00
abstract::With the widespread acceptance of ultrasonography and computed tomography for the evaluation of renal masses, the role of guided renal cyst puncture in the evaluation of a suspected renal cyst has undergone revision in recent years. In this article, the authors review the technique, interpretation, and complications o...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章
doi:
更新日期:1986-12-01 00:00:00
abstract::In this article, the numerous proven applications of diagnostic ultrasound to the assessment of disease processes affecting the popliteal fossa and lower extremities have been discussed. Popliteal cysts and aneurysms, hematomas, cellulitis, abscesses, soft tissue neoplasms, and other space-occupying fluid collections ...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:
更新日期:1988-01-01 00:00:00
abstract::The screening controversy arose from inappropriate and scientifically insupportable data analysis of the early results from the randomized, controlled trials of screening. Data were used that were inadequate for making medical recommendations by using subgroup analyses from trials that were not designed to permit subg...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:
更新日期:1995-11-01 00:00:00
abstract::This article outlines the benefits of imaging osteoarthritis with ultrasonography and some of the limitations. Pathologic structures able to be identified in osteoarthritis with ultrasonography are reviewed, with a focus on the validity of the technique. Common ultrasonographic abnormalities seen in osteoarthritis in ...
journal_title:Radiologic clinics of North America
pub_type: 杂志文章,评审
doi:10.1016/j.rcl.2009.04.007
更新日期:2009-07-01 00:00:00