Abstract：
:Valvular heart disease is a common clinical problem. Although echocardiography is the standard technique for the noninvasive evaluation of the valves, cardiac CT has evolved to become a useful tool in the evaluation of the cardiac structures as well. Importantly, CT allows for improved quantification of valvular calcification due to its superior spatial resolution. It may improve the detection of small valvular or perivalvular pathology or the characterization of valvular masses and vegetations. This review describes the assessment of normal and diseased heart valves by cardiac CT and discusses its strengths and weaknesses.
journal_name
Radiol Clin North Amjournal_title
Radiologic clinics of North Americaauthors
Litmanovich DE,Kirsch Jdoi
10.1016/j.rcl.2018.08.011subject
Has Abstractpub_date
2019-01-01 00:00:00pages
141-164issue
1eissn
0033-8389issn
1557-8275pii
S0033-8389(18)30105-2journal_volume
57pub_type
杂志文章,评审abstract：:The frequency and distribution of fractures of the thoracic and lumbar spine are reviewed. Classifications of thoracolumbar spine injuries are considered. Compression or wedge fractures, burst fractures, lap seat-belt-type injuries, and fracture-dislocations are considered with discussion of findings on conventional r...
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：:Advances in high-resolution prenatal ultrasound and fetal magnetic resonance (MR) imaging have changed the practice of obstetrics by allowing better visualization of intrathoracic and neck structures and better estimation of lung volumes. More accurate prenatal diagnosis has increased options for pregnancy management ...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2011.06.005
更新日期：2011-09-01 00:00:00
abstract：:Meniscal injuries are common. Magnetic resonance imaging is considered the imaging modality of choice in diagnosing meniscal pathologic conditions in the nonoperative knee. Meniscal-preserving surgery is becoming more frequent, with a resultant increase in postoperative meniscal imaging, which is particularly challeng...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2012.10.008
更新日期：2013-05-01 00:00:00
abstract：:One of the major strengths of F-18 fluorodeoxyglucose-positron emission tomography (FDG-PET) in breast cancer imaging is in the evaluation of patients who have suspected loco-regional recurrence or distant metastasis. In general, FDG-PET is more sensitive than conventional imaging for the detection of recurrent diseas...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2007.05.005
更新日期：2007-07-01 00:00:00
abstract：:Ultrasound is a valuable diagnostic test throughout the first trimester of pregnancy. Early in this trimester, it is used to distinguish between normal intrauterine, failed intrauterine, and ectopic pregnancies. Later it can be used with maternal blood tests to screen for trisomy 21 and other forms of aneuploidy, and ...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2014.07.004
更新日期：2014-11-01 00:00:00
abstract：:Within the recent years, advances in imaging technology have increased its applicability to diagnose musculoskeletal disease. The modification of imaging techniques and improved image quality has led to increased use of computed tomography and magnetic resonance imaging in the assessment of postoperative complications...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2009.05.001
更新日期：2009-07-01 00:00:00
abstract：:The technical details of producing an NMR image are briefly explained, followed by a discussion of what relaxation times mean and how tissue properties affect the NMR image. The rest of the article is devoted to the NMR imaging of the thorax. ...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章
doi：
更新日期：1983-12-01 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：:Magnetic resonance (MR) imaging of the pancreas is useful as both a problem-solving tool and an initial imaging examination of choice. With newer imaging sequences such as diffusion-weighted imaging, MR offers improved ability to detect and characterize lesions and identify and stage tumors and inflammation. MR cholan...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2014.02.006
更新日期：2014-07-01 00:00:00
abstract：:Breast MR imaging is the most sensitive modality for breast cancer detection. This high sensitivity has led to widespread adoption of this technique, particularly in screening women at elevated risk for breast cancer. Despite its high sensitivity, standard breast MR imaging protocols are limited by moderate specificit...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2016.12.009
更新日期：2017-05-01 00:00:00
abstract：:MRI is a powerful noninvasive imaging tool with high spatial resolution that continues to prove its value in determining atherosclerotic plaque size, volume, and tissue components. Multispectral MRI sequences have been validated to characterize atherosclerotic plaque components in animals; they have recently been appl...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/s0033-8389(02)00019-2
更新日期：2002-07-01 00:00:00
abstract：:An overview of the pathology of extranodal lymphoma is presented. The emphasis of this presentation is on the classification system of extranodal lymphomas, including both B-cell and T-cell lymphomas, based on their morphology, phenotype, and molecular alterations. ...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2016.03.001
更新日期：2016-07-01 00:00:00
abstract：:The sacroiliac joints present unique problems in diagnosis for both the clinician and the radiologist. Each of the imaging modalities presents advantages and problems. The specific clinical problems determine whether advanced imaging modalities such as scintigraphy, CT scan, or magnetic resonance imaging will compleme...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：
更新日期：1990-09-01 00:00:00
abstract：:This article has sought to clarify the problems that beset the histologic classification of the numerous forms of breast cancer. Not only is classification itself difficult, but our lack of complete understanding of breast cancer often leaves us without criteria sufficiently clear to establish definite categories. Any...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章
doi：
更新日期：1983-03-01 00:00:00
abstract：:The current prostate cancer management paradigm has been criticized in recent years for contributing to the overdiagnosis and overtreatment of the disease. Active surveillance is an avenue by which to reduce overtreatment, but patient selection and monitoring remain a challenge. The use of prostate MR imaging has been...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2017.10.006
更新日期：2018-03-01 00:00:00
abstract：:Fibrous lesions of bone include entities with a wide range of radiographic appearance and clinical behavior. Many benign fibrous lesions, such as medial supracondylar defects, fibrous cortical defects, and nonossifying fibromas have typical radiographic appearances and usually are self-limited. Desmoplastic fibromas a...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：
更新日期：1993-03-01 00:00:00
abstract：:The inherited cystic diseases of the kidney represent a diverse group of diseases. Recent advantages in molecular medicine have greatly enhanced the presymptomatic detection of these entities. To data, however, genetic tests cannot determine the severity of the disease or prevent complications. Therefore, imaging will...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：
更新日期：1996-09-01 00:00:00
abstract：:It should be clear that there is no prescription for an ideal picture terminal or for an ideal image work station. Image informativeness, the ability to transmit the relevant diagnostic information to the viewer, is the most important medical consideration that has an impact on the individual patient, but short of doi...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章
doi：
更新日期：1986-03-01 00:00:00
abstract：:The presence of multiple intestinal air-fluid levels and the distention of jejunum and colon are common and expected sequelae of small bowel bypass procedures for morbid obesity. The radiologist must be familiar with these findings in order to avoid the misdiagnosis of bowel obstruction. ...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章
doi：
更新日期：1976-12-01 00:00:00
abstract：:Multidetector computed tomography (MDCT) offers an important noninvasive imaging modality for confirmation and further characterization of primary lung and large airway neoplasms encountered in pediatric patients. Children represent a unique challenge in imaging, not only because of unique patient factors (eg, inabili...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2013.04.005
更新日期：2013-07-01 00:00:00
abstract：:This article considers the significance and role of classic barium radiology in the diagnosis of gastric carcinoma and correlates it with endoscopy and other diagnostic modalities. Technical considerations for demonstrating optimum radiographic images of gastric carcinoma in terms of location, control of lumen distent...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：
更新日期：1994-11-01 00:00:00
abstract：:Malignant uveal melanomas are the most common primary intraocular malignant tumors in adults. Choroidal hemangiomas are congenital, benign, vascular lesions that may be confused with malignant uveal melanomas on clinical examination. The MR imaging characteristics of uveal melanomas and choroidal hemangiomas are diffe...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/s0033-8389(05)70233-5
更新日期：1998-11-01 00:00:00
abstract：:With technologic advances and the availability of sophisticated computer software and analytical strategies, imaging plays an increasingly important role in understanding the disease process of osteoarthritis (OA). Radiography has limitations in that it can visualize only limited features of OA, such as osteophytes an...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2017.04.012
更新日期：2017-09-01 00:00:00
abstract：:Sarcoidosis, a systemic disease of unknown cause, frequently involves the eye, orbit, and central nervous system. The MR imaging findings of orbital and optic pathway sarcoidosis may closely resemble several other orbital and intracranial diseases. This article reviews MR imaging findings of sarcoidosis when it involv...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/s0033-8389(05)70079-8
更新日期：1999-01-01 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：:The soft tissue anatomy of the nasopharynx is presented in terms of deglutitional and masticatory muscle layers. Within this framework of analysis, computed tomography can detect relatively early soft tissue changes of nasopharyngeal carcinoma. ...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章
doi：
更新日期：1984-03-01 00:00:00
abstract：:Head and neck imaging studies frequently encompass the oral cavity and human dentition. Given the relatively wide prevalence of dental disease, the likelihood of detecting incidental dental pathology is high. This article provides an overview of dental terminology, anatomy, restorations, and associated computed tomogr...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2017.08.001
更新日期：2018-01-01 00:00:00
abstract：:The upper gastrointestinal series traditionally includes fluoroscopy and filming of the esophagus, stomach, and duodenum. Optimal use of each of the available examination techniques in these regions is discussed in this article. ...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：
更新日期：1994-11-01 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：: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
