abstract：:This article provides a summary of acute aortic syndrome (AAS), focusing especially on the multidetector CT technique and findings of AAS, as well as recent concepts regarding the subtypes of AAS, consisting of aortic dissection, intramural hematoma, penetrating atherosclerotic ulcer, and unstable aortic aneurysm. ...

journal_title：Radiologic clinics of North America

authors： Yoo SM,Lee HY,White CS

更新日期：2010-01-01 00:00:00

abstract：:Nephrogenic systemic fibrosis (NSF) is a highly debilitating scleroderma-like disease occurring exclusively in patients with severe or end-stage renal failure. Since the recognition of a link between gadolinium chelates (GCs) used as contrast agents for MR imaging and NSF by two independent European teams in 2006, num...

journal_title：Radiologic clinics of North America

authors： Idée JM,Port M,Dencausse A,Lancelot E,Corot C

更新日期：2009-09-01 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

authors： Sheikh A,Schweitzer M

更新日期：2009-07-01 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

authors： Keen HI,Conaghan PG

更新日期：2009-07-01 00:00:00

abstract：:Thermal ablation of tumors is a rapidly growing field that has found various applications in the musculoskeletal system. Radiofrequency ablation (RFA) has become the reference standard for treatment of most osteoid osteomas. More recently, RFA has been applied to several other forms of primary tumors and in the treatm...

journal_title：Radiologic clinics of North America

authors： Rybak LD

更新日期：2009-05-01 00:00:00

abstract：:Visualization of airways in chronic obstructive pulmonary disease (COPD) patients is important for understanding the disease and therapeutic management. Today a perpendicular visualization and measurement of airway diameter and wall thickness are possible. Postprocessing software allows for the automatic segmentation ...

journal_title：Radiologic clinics of North America

authors： Ley-Zaporozhan J,Kauczor HU

更新日期：2009-03-01 00:00:00

abstract：:Positron emission tomography (PET) and combined PET/CT provide powerful metabolic and anatomical information together in a single exam. This article reviews the fundamentals of PET physics, the state of the art and future directions in PET technology, and the current clinical applications of PET. The latter is quite d...

journal_title：Radiologic clinics of North America

authors： Mittra E,Quon A

更新日期：2009-01-01 00:00:00

abstract：:Sixty-four-slice CT typified the dramatic race in technical development in radiology. Featuring high spatial resolution with 0.5-mm thin slices and 0.3-second gantry revolution times, it has become state-of-the-art technology in CT imaging shortly after its clinical introduction. Three-dimensional tube modulation toge...

journal_title：Radiologic clinics of North America

authors： Rogalla P,Kloeters C,Hein PA

更新日期：2009-01-01 00:00:00

abstract：:A coalition is a congenital bony, cartilaginous, or fibrous connection (called a bar) between two or more bones. Coalitions are clinically significant because they prevent normal joint motion. Tarsal coalition may be difficult to identify on clinical and imaging evaluation. Given the high prevalence of coalition, radi...

journal_title：Radiologic clinics of North America

authors： Crim J

更新日期：2008-11-01 00:00:00

abstract：:Ischemic colitis accounts for more than half of all cases of gastrointestinal ischemia and constitutes between 1 per 2000 and 3 per 1000 acute hospital admission. It typically affects elderly patients, being a frequent cause of rectal bleeding, abdominal pain, and diarrhea. This article describes the epidemiology, phy...

journal_title：Radiologic clinics of North America

authors： Taourel P,Aufort S,Merigeaud S,Doyon FC,Hoquet MD,Delabrousse E

更新日期：2008-09-01 00:00:00

abstract：:Osteoporosis is a serious public health problem. The incidence of osteoporotic fractures increases with age. As life expectancy increases, social costs associated with osteoporotic fractures will multiply exponentially. The early diagnosis of osteoporosis, thanks to evermore precise devices, becomes, therefore, fundam...

journal_title：Radiologic clinics of North America

authors： Guglielmi G,Muscarella S,Leone A,Peh WC

更新日期：2008-07-01 00:00:00

abstract：:Ultrasound scan is an invaluable tool in the diagnosis and treatment of disorders of the musculoskeletal system. Core concepts that are common to most ultrasound-guided procedures are reviewed, including an in-depth discussion regarding the use of injectable corticosteroids. Various aspects of intra-articular, intrate...

journal_title：Radiologic clinics of North America

authors： Louis LJ

更新日期：2008-05-01 00:00:00

abstract：:In patients who have lymphoma, the presence and distribution of thoracic involvement is important in both tumor staging and treatment. Thoracic involvement in Hodgkin lymphoma (HL) is more common than in non-Hodgkin lymphoma (NHL). In HL, mediastinal lymphadenopathy with contiguous spread is a hallmark, and lung paren...

journal_title：Radiologic clinics of North America

authors： Bae YA,Lee KS

更新日期：2008-03-01 00:00:00

abstract：:Imaging of the adrenal gland for characterization of adrenal lesions has made tremendous strides and new technologies continue to evolve. This article highlights the anatomic and physiologic imaging principles that underpin current major adrenal imaging modalities and the new techniques becoming available. This articl...

journal_title：Radiologic clinics of North America

authors： Blake MA,Holalkere NS,Boland GW

更新日期：2008-01-01 00:00:00

abstract：:The anterior and posterior cruciate ligaments are crucial stabilizers of the knee. These ligaments are named by the location of their tibial attachments. Each ligament is composed of separate functional bundles that differ in size but are equally important in function. MR imaging is accurate and sensitive, making it t...

journal_title：Radiologic clinics of North America

authors： Roberts CC,Towers JD,Spangehl MJ,Carrino JA,Morrison WB

更新日期：2007-11-01 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

authors： Helvie M

更新日期：2007-09-01 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

authors： Eubank WB

更新日期：2007-07-01 00:00:00

abstract：:Urinary tract injury occurs in 10% of all abdominal trauma patients, and the kidney is the most commonly injured organ in the urinary tract. CT with contrast enhancement is the modality of choice for cross-sectional imaging of renal trauma because it quickly and accurately can demonstrate injury to the renal parenchym...

journal_title：Radiologic clinics of North America

authors： Lee YJ,Oh SN,Rha SE,Byun JY

更新日期：2007-05-01 00:00:00

abstract：:Appendicitis is the most common cause of acute abdominal pain requiring surgery. Early diagnosis is crucial to the success of therapy. CT and ultrasound are widely recognized as very useful in the timely diagnosis of appendicitis. MR imaging is emerging as an alternative to CT in pregnant patients and in patients who ...

journal_title：Radiologic clinics of North America

authors： Rybkin AV,Thoeni RF

更新日期：2007-05-01 00:00:00

abstract：:Cross-sectional imaging techniques such as CT and MR imaging have advantages over traditional barium fluoroscopic techniques in their ability to visualize superimposed bowel loops better and to improve visualization of extraluminal findings and complications. This article discusses MR imaging of the small bowel with e...

journal_title：Radiologic clinics of North America

authors： Fidler J

更新日期：2007-03-01 00:00:00

abstract：:The role of imaging in the diagnosis and management of prostate is reviewed. Transrectal ultrasonography, which can be used to guide biopsy, is most frequently used imaging technique in cancer detection. For determining the extent of disease, CT and MR imaging are the most commonly used modalities; bone scintigraphy a...

journal_title：Radiologic clinics of North America

authors： Akin O,Hricak H

更新日期：2007-01-01 00:00:00

abstract：:Pelvic pain during the first trimester of pregnancy can pose a challenge to the clinician. The noninvasive nature, safety, and reliability of ultrasonography make it the diagnostic method of choice for pregnant patients who have pelvic pain. Sonography provides information that allows for diagnosis of both pregnancy-r...

journal_title：Radiologic clinics of North America

authors： Eyvazzadeh AD,Levine D

更新日期：2006-11-01 00:00:00

abstract：:Prostate cancer is the most prevalent newly diagnosed noncutaneous malignancy in men. With the continued use of prostate-specific antigen screening, there has been a dramatic rise in the number of prostate biopsied performed. Transrectal ultrasonography (TRUS) is an essential tool used for detecting prostate pathology...

journal_title：Radiologic clinics of North America

authors： Boczko J,Messing E,Dogra V

更新日期：2006-09-01 00:00:00

abstract：:MR imaging is widely used in the evaluation of internal derangement of joints. In the past, the use of hand and wrist MR imaging lagged behind imaging of larger joints,largely because of technical limitations of spatial resolution and signal-to-noise ratio when imaging the small anatomic structures. However, with rece...

journal_title：Radiologic clinics of North America

authors： Yu JS,Habib PA

更新日期：2006-07-01 00:00:00

abstract：:Infectious disease complicating surgery involving the musculoskeletal system is one of the most important causes of postoperative morbidity and mortality. Timely detection and accurate localization of infectious processes have important clinical implications and are critical to appropriate patient management. Imaging ...

journal_title：Radiologic clinics of North America

authors： Peterson JJ

更新日期：2006-05-01 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

authors： Waite S,Jeudy J,White CS

更新日期：2006-03-01 00:00:00

abstract：:Traumatic injury to the major vessels of the head and neck can result in potentially devastating neurologic sequelae. Until recently, conventional angiography was the primary imaging modality used to evaluate these often challenging patients. Advances in cross-sectional imaging have improved the ability to screen for ...

journal_title：Radiologic clinics of North America

authors： Stallmeyer MJ,Morales RE,Flanders AE

更新日期：2006-01-01 00:00:00

abstract：:Multidetector row CT is the most recent advance in CT technology. An increased number of detector rows and more powerful x-ray tubes result in faster scanning time, increased volume coverage, and improved spatial and temporal resolution. MDCT technology allows superior image quality, decreased examination time, and th...

journal_title：Radiologic clinics of North America

authors： Kocakoc E,Bhatt S,Dogra VS

更新日期：2005-11-01 00:00:00

abstract：:The role of MR imaging as a noninvasive technique in the detection and evaluation of musculoskeletal diseases is unquestionable. Most of the studies reported in the literature are based on high-field MR imaging. Initial studies performed with low-field-strength have reported unsatisfactory results in the assessment of...

journal_title：Radiologic clinics of North America

authors： Tavernier T,Cotten A

更新日期：2005-07-01 00:00:00

abstract：:The solitary pulmonary nodule (SPN) is a common radiologic finding. There are different management approaches and the work-up often requires evaluation over a long period of time to establish a benign or malignant diagnosis. Comparison with old examinations and morphologic evaluation of the size, margins, and internal...

journal_title：Radiologic clinics of North America

authors： Hartman TE

更新日期：2005-05-01 00:00:00

abstract：:The main role of the esophagus is to facilitate passage of food from the mouth to the stomach. A number of conditions can alter esophageal structure or function including congenital anomalies, trauma, infection, and neoplasm. This article reviews the anatomy, imaging evaluation, and common problems seen in the pediatr...

journal_title：Radiologic clinics of North America

authors： Fordham LA

更新日期：2005-03-01 00:00:00

abstract：:FD-PET has proved to be an extremely useful technique for the noninvasive evaluation of nigrostriatal pathophysiology in patients with PD and other movement disorders. The development of ratio methods for image analysis has greatly reduced the complexity of these PET studies and has facilitated data analysis. With the...

journal_title：Radiologic clinics of North America

authors： Fischman AJ

更新日期：2005-01-01 00:00:00

abstract：:PET with [(18)F]-fluorodeoxyglucose (FDG) has been accepted as a useful imaging modality for the diagnosis of a variety of malignancies. This article discusses the use of FDG-PET in the management of patients with thyroid and head or neck cancers. ...

journal_title：Radiologic clinics of North America

authors： Zhuang H,Kumar R,Mandel S,Alavi A

更新日期：2004-11-01 00:00:00

abstract：:In single-center trials across 42,838 examinations, 150 (0.35%) cancers were identified only sonographically in average-risk women. Over 90% of the 126 women with sonographically depicted cancers had dense or heterogeneously dense parenchyma. Of the 150 cancers, 141 (94%) were invasive, with a mean size of 9 to 11 mm ...

journal_title：Radiologic clinics of North America

authors： Berg WA

更新日期：2004-09-01 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

authors： Tatli S,Yucel EK,Lipton MJ

更新日期：2004-05-01 00:00:00

abstract：:In a pregnant woman who presents with acute pelvic pain and an adnexal mass, pregnancy-related etiologies, such as ectopic pregnancy or ovarian torsion, are typically the first diagnoses to be considered. Many other causes of pelvic pain associated with an adnexal mass can occur in pregnant patients, however. Some cau...

journal_title：Radiologic clinics of North America

authors： Webb EM,Green GE,Scoutt LM

更新日期：2004-03-01 00:00:00

abstract：:Gout is a group of diseases characterized by arthritis and results from a disturbance of urate metabolism with the deposition of monosodium urate crystals in the joints and soft tissues. Often, but not invariably, the serum urate levels are elevated as a result of overproduction or underexcretion of uric acid. Clinica...

journal_title：Radiologic clinics of North America

authors： Monu JU,Pope TL Jr

更新日期：2004-01-01 00:00:00

abstract：:Osteoarthritis is a disease affecting all joint structures, not just hyaline articular cartilage. It develops as a consequence of injurious activities acting on a vulnerable joint. The correlation between structural changes of the disease and joint symptoms is poor. Risk factors include age, obesity, and joint injury....

journal_title：Radiologic clinics of North America

authors： Felson DT

更新日期：2004-01-01 00:00:00

abstract：:The imaging evaluation of the acute abdomen has clearly evolved with the introduction of high-resolution imaging techniques, such as CT, US, and MR imaging, leaving scintigraphic examinations an important, though selective, role based on their noninvasive, physiologic, and functional nature. Proper use of these examin...

journal_title：Radiologic clinics of North America

authors： Zuckier LS,Freeman LM

更新日期：2003-11-01 00:00:00

abstract：:Perforations of the gastrointestinal tract have many causes. Holes in the wall of gastrointestinal organs can be created by blunt or penetrating trauma, iatrogenic injury, inflammatory conditions that penetrate the serosa or adventitia, extrinsic neoplasms that invade the gastrointestinal tract, or primary neoplasms t...

journal_title：Radiologic clinics of North America

authors： Rubesin SE,Levine MS

更新日期：2003-11-01 00:00:00