Abstract：
:Osteoporosis, a condition of decreased bone tissue that increases the likelihood of fracture, places a significant burden on our society in terms of health cost and morbidity. The most common type of osteoporosis is involutional, and two subtypes are recognized: type 1 and type 2. Type 1, or postmenopausal, osteoporosis is most commonly seen in perimenopausal and postmenopausal women from ages 51 to 75. Estrogen deficiency is the most dominant factor in the pathogenesis of this disorder. Type 2, or aging related, osteoporosis is seen in elderly women and men aged 70 or more. Bone loss in this group is related to aging, estrogen deficiency, negative calcium balance, and a variety of environmental and genetic factors. The best approach to the management of osteoporosis is to develop a lifelong strategy that maximizes peak bone mass and minimizes aging-related and postmenopausal bone loss. Estrogen is the only medication approved for the prevention of bone loss that is in general use. Other strategies to prevent bone loss (and maximize peak bone mass) include adequate calcium intake, adequate exercise, and avoidance of excess alcohol, tobacco, and caffeine use.
journal_name
Radiol Clin North Amjournal_title
Radiologic clinics of North Americaauthors
Gillespy T 3rd,Gillespy MPsubject
Has Abstractpub_date
1991-01-01 00:00:00pages
77-84issue
1eissn
0033-8389issn
1557-8275journal_volume
29pub_type
杂志文章,评审abstract：:The updated American College of Radiology (ACR) Breast Imaging Reporting and Data System (BI-RADS) has been newly released. This article summarizes the changes and updates that have been made to BI-RADS. The goal of the revised edition continues to be the same: to improve clarification in image interpretation, maintai...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2014.02.008
更新日期：2014-05-01 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：:One of the single most important considerations in clinical management of the patient with prostate cancer is whether or not metastatic disease is present. The identification of metastatic disease in a patient with newly diagnosed prostate cancer represents an absolute contraindication to definitive local therapies su...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/s0033-8389(05)70153-6
更新日期：2000-01-01 00:00:00
abstract：:In the chest, the indications for nuclear medicine studies are broader and more varied in children than in adults. In children, nuclear medicine studies are used to evaluate congenital and developmental disorders of the chest, as well as diseases more typical of adults. In the chest, pediatric nuclear medicine uses th...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2011.06.012
更新日期：2011-09-01 00:00:00
abstract：:Paired inspiratory and dynamic expiratory multislice CT imaging is a promising method for diagnosing TBM. A low-dose technique should be considered for the dynamic portion to reduce radiation exposure. Visual and quantitative analysis of the central airways provide a comprehensive assessment by allowing for the accura...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/s0033-8389(03)00023-x
更新日期：2003-05-01 00:00:00
abstract：:The prevalence of adult congenital heart disease (ACHD) is increasing due to advances in surgical techniques, anesthesia, and perioperative care. Imaging plays an important role, not only in the surveillance of ACHD, but also in the initial evaluation of cases that have escaped detection early in life and present with...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2018.08.013
更新日期：2019-01-01 00:00:00
abstract：:The history of mammography can be arbitrarily subdivided into three periods: The Age of Pioneers highlights the work of Salomon, Kleinschmidt, Warren, Vogel, Seabold, Gershon-Cohen, Leborgne, Egan, Gallager, Martin, Dodd, Strax and their colleagues; The Age of Technical Progress adds the names of Gould, Wolfe, and Gro...
journal_title：Radiologic clinics of North America
pub_type： 历史文章,杂志文章
doi：
更新日期：1992-01-01 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：:Osteonecrosis is the devitalization of bone and consequent lytic changes. In the jaws, osteonecrosis is a pathologic consequence of prior radiation therapy (osteoradionecrosis) or certain antiresorptive medications. Herein, we review the pathogenesis and clinical manifestations of these lesions, and describe the spect...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2017.08.006
更新日期：2018-01-01 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
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2008.03.006
更新日期：2008-03-01 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
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2006.10.008
更新日期：2007-01-01 00:00:00
abstract：:The historical, epidemiologic, clinical, and pathologic features of the phakomatoses are briefly reviewed in this article. The central nervous system manifestations of the phakomatoses on MR also are illustrated and described. ...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：
更新日期：1988-07-01 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：: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：:In the appropriate clinical setting of pituitary hyperfunction or hypofunction, visual field deficit, or cranial nerve palsy, imaging of the pituitary is necessary. This article reviews the normal appearance of the pituitary and its surroundings, emphasizing magnetic resonance imaging. Typical and variant appearances ...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2011.02.012
更新日期：2011-05-01 00:00:00
abstract：:The spine can be evaluated by a number of different imaging modalities. Although magnetic resonance imaging has assumed the dominant role in the diagnosis of spinal disease, the individual clinical situation still determines the procedure of choice. This review discusses the different imaging techniques and their curr...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：
更新日期：1991-07-01 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：:The advent of surgical therapy for ischemic heart disease and the prospects for modification of risk factors for coronary artery disease have made the detection of coronary artery disease in asymptomatic patients more important. Cardiac fluoroscopy is an inexpensive and relatively efficacious screening method for coro...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：
更新日期：1980-12-01 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
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2004.07.006
更新日期：2004-11-01 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
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2007.08.007
更新日期：2007-11-01 00:00:00
abstract：:Cystic lung diseases are caused by a number of abnormalities. Many of the cystic lung diseases and their mimics can be reliably diagnosed based on their HRCT findings. In the appropriate clinical setting this could obviate biopsy. ...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/s0033-8389(05)70340-7
更新日期：2001-11-01 00:00:00
abstract：:Accurate recognition and reporting of spine abnormalities on MRI requires knowledge of normal anatomy and its variants. This article deals with common normal variants, points out pitfalls which may be sources of errors in interpretation and describes imaging artifacts which are essential to be recognized and not mista...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/s0033-8389(08)70004-6
更新日期：2000-11-01 00:00:00
abstract：:The evaluation of infantile vomiting is bound up with many unresolved questions and continually evolving imaging technologies. This article addresses three specific areas of interest: the use of newer low-osmolality, water-soluble contrast media in the infant's gastrointestinal tract; the ever-controversial subject of...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：
更新日期：1988-03-01 00:00:00
abstract：:White matter disorders represent a large, heterogeneous group of disorders that span the continuum of congenital metabolic disorders to acquired processes, such as chronic ischemic microvascular white matter disease. Magnetic resonance imaging has dramatically revolutionized the diagnostic evaluation of patients with ...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2013.11.006
更新日期：2014-03-01 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
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2008.02.003
更新日期：2008-05-01 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
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2006.10.015
更新日期：2006-11-01 00:00:00
abstract：:Myelopathy refers to any pathologic process that involves the spinal cord, and can be caused by a variety of different diseases. MR imaging is the primary modality for evaluating the patient presenting with myelopathy. The first step must be the exclusion of spinal cord compression. Although the MR features of many ca...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2018.09.006
更新日期：2019-03-01 00:00:00
abstract：:Diagnostic confirmation through tissue sampling plays a central role in managing patients with suspected lung malignancy. Tissue samples may be obtained in various ways using bronchoscopy, computed tomography guidance, or surgery. Multidisciplinary discussion between members of the lung cancer care team is helpful in ...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/j.rcl.2012.05.001
更新日期：2012-09-01 00:00:00
abstract：:Swallowing requires the coordinated action of the alimentary tract from the oral cavity to the gastroesophageal junction. Any structural or functional abnormality along this pathway will interfere with swallowing. The "barium swallow" or pharyngoesophagogram requires examination of the oral cavity, pharynx, esophagus,...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：
更新日期：1993-11-01 00:00:00
abstract：:This article describes the principles, attributes, and pitfalls of the many MR imaging approaches available for assessment of renal-related disorders. Tables 1 and 2 summarize the specific approach and rationale. ...
journal_title：Radiologic clinics of North America
pub_type： 杂志文章,评审
doi：10.1016/s0033-8389(03)00069-1
更新日期：2003-09-01 00:00:00
