abstract：:The leukemias and lymphomas together account for over 40% of the malignant disorders in childhood. Radiologists who deal with these patients must understand some aspects of the biology, natural history, and clinical manifestations of the disease in order to provide useful imaging consultative services. This article su...

journal_title：Radiologic clinics of North America

authors： Parker BR

更新日期：1997-11-01 00:00:00

abstract：:The use of RT in pediatric cancer has been virtually eliminated in certain diseases (NHL); greatly reduced in some (Wilms' tumor, ALL, neuroblastoma); and refined and modified in others (rhabdomyosarcoma, Ewing's sarcoma). At present, however, it seems clear that RT will continue to be an important modality (particula...

journal_title：Radiologic clinics of North America

authors： Kalapurakal JA,Thomas PR

更新日期：1997-11-01 00:00:00

abstract：:Central nervous system complications in AIDS patients are common and often the cause of severe morbidity and mortality. Most symptomatic central nervous system complications in AIDS patients involve the brain, principally in the form of HIV encephalitis, various other forms of infection, or development of neoplasms. T...

journal_title：Radiologic clinics of North America

authors： Provenzale JM,Jinkins JR

更新日期：1997-09-01 00:00:00

abstract：:Diagnosis and intervention in pediatric GI bleeding is the shared responsibility of pediatric endoscopists, radiologists, and surgeons. Brisk hemorrhage, though alarming, is most often self-limited; few cases require urgent surgery before diagnostic evaluation is accomplished. The choice between endoscopic and radiogr...

journal_title：Radiologic clinics of North America

authors： O'Hara SM

更新日期：1997-07-01 00:00:00

abstract：:Immature skeleton is different from adult skeleton with unique vulnerability to acute and chronic injuries at the growth plate. Recognition and differential diagnosis of inflicted skeletal injury are important. Familiarity with the dynamic changes of growing skeleton in normal children is key to the recognition of pat...

journal_title：Radiologic clinics of North America

authors： Kao SC,Smith WL

更新日期：1997-05-01 00:00:00

abstract：:Fracture classification systems are used on a daily basis in any busy orthopedic clinic. They are an essential means by which physicians communicate, make treatment decisions, estimate prognosis, and report and compare results. Until recently, these classifications have been designed, accepted, and utilized without fo...

journal_title：Radiologic clinics of North America

authors： Martin JS,Marsh JL

更新日期：1997-05-01 00:00:00

abstract：:Small bowel neoplasms are relatively rare. This article presents the imaging features of the most frequently encountered small bowel masses, with emphasis on adenocarcinomas and carcinoid tumors. The CT scan findings and correlative barium and angiographic studies of various small bowel tumors are illustrated. The sta...

journal_title：Radiologic clinics of North America

authors： Buckley JA,Jones B,Fishman EK

更新日期：1997-03-01 00:00:00

abstract：:A number of imaging modalities, such as conventional radiography, arthrography, ultrasonography, and MR imaging, can be used in the evaluation of shoulder pain related to impingement, tendinosis, and rotator cuff tear. Of these techniques, only MR imaging provides anatomic information coupled with superior soft-tissue...

journal_title：Radiologic clinics of North America

authors： Uri DS

更新日期：1997-01-01 00:00:00

abstract：:Scrotal ultrasound is now the first and only imaging examination necessary to evaluate the scrotal contents. This article first discusses normal scrotal anatomy, and then examines the imaging findings of various malignant and benign scrotal masses. Other topics include cryptorchidism, extratesticular abnormalities, an...

journal_title：Radiologic clinics of North America

authors： Bree RL,Hoang DT

更新日期：1996-11-01 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

authors： Choyke PL

更新日期：1996-09-01 00:00:00

abstract：:In this article I have attempted to illustrate just how potentially useful the current ultrasound examination can be in the evaluation of the acute pediatric abdomen. It must be understood, however, that not all radiologists agree on the merits of ultrasound in the evaluation of the gastrointestinal tract, and in prac...

journal_title：Radiologic clinics of North America

authors： Hayden CK Jr

更新日期：1996-07-01 00:00:00

abstract：:The importance of this article is fourfold. First, the introduction of workstation technology and the types of image workstations provides readers with a better understanding of the state-of-the-art and availability of digital image-display workstations in the market-place. Second, this article identifies primary proc...

journal_title：Radiologic clinics of North America

authors： Lou SL,Huang HK,Arenson RL

更新日期：1996-05-01 00:00:00

abstract：:The seronegative spondylarthropathies are a group of multisystem inflammatory disorders that share a variety of clinical, radiologic, and genetic features. They include ankylosing spondylitis, psoriatic arthritis, Reiter's disease, and arthritis associated with inflammatory bowel disease. This article reviews these mu...

journal_title：Radiologic clinics of North America

authors： El-Khoury GY,Kathol MH,Brandser EA

更新日期：1996-03-01 00:00:00

abstract：:The radiologic evaluation of sepsis of unknown origin has changed dramatically since the introduction of cross-sectional imaging. Interventional procedures such as abscess drainage, cholecystostomy, biliary drainage, nephrostomy, and fluid aspiration have reduced the morbidity and mortality associated with occult sour...

journal_title：Radiologic clinics of North America

authors： McDowell RK,Dawson SL

更新日期：1996-01-01 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

authors： Kopans DB

更新日期：1995-11-01 00:00:00

abstract：:Several large-scale prospective clinical studies establish the validity of managing probably benign breast lesions with periodic mammographic surveillance as a safe and effective alternative to immediate tissue diagnosis. This approach to mammographic interpretation is now very widely accepted; the American College of...

journal_title：Radiologic clinics of North America

authors： Sickles EA

更新日期：1995-11-01 00:00:00

abstract：:Care must be taken to optimally select settings for collimation, table feed, and reconstruction interval for successful helical CT and associated special application such as CT angiography. Thus, prospective planning is critical for optimal 3-D imaging. Generally, one wishes to minimize all of these parameters to maxi...

journal_title：Radiologic clinics of North America

authors： Brink JA

更新日期：1995-09-01 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

authors： Goodman PC

更新日期：1995-07-01 00:00:00

abstract：:Over the past several years, operative techniques, postoperative care, and immunosuppressive therapy have advanced steadily, allowing 5-year survival for liver transplantation to increase from 20% 15 years ago to 65% today. Biliary and vascular complications, however, remain causes of significant morbidity and mortali...

journal_title：Radiologic clinics of North America

authors： Orons PD,Zajko AB

更新日期：1995-05-01 00:00:00

abstract：:We have reviewed the essentials of TKA imaging. Because the purpose of a knee arthroplasty is to relieve pain and improve function, radiographs should be viewed in the context of these goals. ...

journal_title：Radiologic clinics of North America

authors： Allen AM,Ward WG,Pope TL Jr

更新日期：1995-03-01 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

authors： Maruyama M,Baba Y

更新日期：1994-11-01 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

authors： Gelfand DW

更新日期：1994-11-01 00:00:00

abstract：:Recently, CT scans have proved to be useful in revealing the site, level, and cause of bowel obstruction and in displaying signs of threatened bowel viability. This article outlines the utility of CT scans, both in terms of the diagnostic features of bowel obstruction and in the evaluation of its accuracy. ...

journal_title：Radiologic clinics of North America

authors： Megibow AJ

更新日期：1994-09-01 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

authors： Galvin JR,Gingrich RD,Hoffman E,Kao SC,Stern EJ,Stanford W

更新日期：1994-07-01 00:00:00

abstract：:Important aspects of ischemic heart disease are currently evaluated with magnetic resonance imaging and phosphorus-31 spectroscopy. The combined use of magnetic resonance imaging and spectroscopy will enable the noninvasive visualization of the coronary arteries, provide flow velocity and volume data in the coronary c...

journal_title：Radiologic clinics of North America

authors： de Roos A,van der Wall EE

更新日期：1994-05-01 00:00:00

abstract：:This article discusses intravenous and intra-articular uses of contrast in cross-sectional imaging for the evaluation of musculoskeletal abnormalities. Emphasis will be placed upon the important traditional uses of contrast-enhanced computed tomography and the recent developments in contrast-enhanced magnetic resonanc...

journal_title：Radiologic clinics of North America

authors： Schoenberg NY,Beltran J

更新日期：1994-03-01 00:00:00

abstract：:With the increasing availability of curative surgical techniques for primary and secondary hepatic neoplasms, the tasks for clinical imaging of patients suspected of having liver cancer have become more exacting. Detection of tumor, differential diagnosis of individual nodules, and mapping the anatomic extensions of m...

journal_title：Radiologic clinics of North America

authors： Ferrucci JT

更新日期：1994-01-01 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

authors： Low VH,Rubesin SE

更新日期：1993-11-01 00:00:00

abstract：:Since the inception of the discipline of nuclear medicine, thyroid evaluation and therapy with radioactive isotopes have remained an important and constant component of thyroidology. Parathyroid scintigraphy with 201Tl/99mTc subtraction has been a more recent and also very useful addition in the assessment of hyperpar...

journal_title：Radiologic clinics of North America

authors： Price DC

更新日期：1993-09-01 00:00:00

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_title：Radiologic clinics of North America

authors： Bank ER

更新日期：1993-05-01 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

authors： Hudson TM,Stiles RG,Monson DK

更新日期：1993-03-01 00:00:00

abstract：:This article addresses the various epithelial tumors of the nasal cavity and paranasal sinuses. It emphasizes the radiologic evaluation of patients with these tumors and the radiologic findings of importance. The advantages and disadvantages of the use of computed tomographic (CT) and magnetic resonance (MR) imaging i...

journal_title：Radiologic clinics of North America

authors： Chow JM,Leonetti JP,Mafee MF

更新日期：1993-01-01 00:00:00

abstract：:The pathologic conditions that involve the TMJ are similar to those conditions that involve other joints in the body. Therefore, many of the radiologic characteristics of these diseases are also similar. Nevertheless, because the articular surface of the condyle is an important site of mandibular growth, leading to se...

journal_title：Radiologic clinics of North America

authors： Laskin DM

更新日期：1993-01-01 00:00:00

abstract：:Hypersensitivity pneumonitis is an immunologic mediated response in the lung to inhaled organic antigen. Farmer's lung and pigeon breeder's lung are the two most widely know disorders. The chest radiograph usually is normal in hypersensitivity pneumonitis. When abnormal, the distribution of disease favors the lung bas...

journal_title：Radiologic clinics of North America

authors： Gurney JW

更新日期：1992-11-01 00:00:00

abstract：:Current instrumentation provides capabilities for minute fetal anatomic exploration and for integrative physiologic inference. This extends the complexity of the study and the diagnostic obligation of the examiner. The direction of study and clarification of findings devolve increasingly upon pathology and pathophysio...

journal_title：Radiologic clinics of North America

authors： Birnholz J

更新日期：1992-09-01 00:00:00

abstract：:Four major benefits of intraoperative ultrasonography (IOU) were determined after its use in more than 2400 operations. They are the acquisition of new information not otherwise available, complement of or replacement for operative radiography, guidance of surgical procedure, and confirmation of completion of operatio...

journal_title：Radiologic clinics of North America

authors： Machi J,Sigel B

更新日期：1992-09-01 00:00:00

abstract：:TVS has brought the pelvic organs closer to us than ever before. Color Doppler probes have exposed small vessels that could not be seen with real-time technique alone, and pulsed Doppler is becoming an important adjunct in many physiologic and pathologic states. Vascular changes of the ovary and uterus during the mens...

journal_title：Radiologic clinics of North America

authors： Schiller VL,Grant EG

更新日期：1992-07-01 00:00:00

abstract：:Hounsfield's development of computed tomography (CT) in 1972 revolutionized the care of patients with acute craniocerebral trauma. CT evaluation facilitates early surgical and medical intervention and has significantly improved patient outcome. This review describes the role of CT in assessing acute head trauma. Despi...

journal_title：Radiologic clinics of North America

authors： Johnson MH,Lee SH

更新日期：1992-03-01 00:00:00

abstract：:Mammography has had a major impact on the earlier detection, treatment options, and management decisions and survival and mortality rates of breast cancer. Consequences include overwhelming demand for mammography; problems with optimum response by radiology; limited availability of the examination, especially to the s...

journal_title：Radiologic clinics of North America

authors： McLelland R,Pisano ED

更新日期：1992-01-01 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

authors： Gold RH

更新日期：1992-01-01 00:00:00