Abstract:
:A percutaneous nephrostomy tract can serve both to decompress the renal pelvis and as a route for dissolving renal stones and assisting in basket retrieval of ureteral stones. These techniques are especially valuable in patients who are poor operative risks.
journal_name
Radiologyjournal_title
Radiologyauthors
Smith AD,Reinke DB,Miller RP,Lange PHdoi
10.1148/133.1.49subject
Has Abstractpub_date
1979-10-01 00:00:00pages
49-54issue
1eissn
0033-8419issn
1527-1315journal_volume
133pub_type
杂志文章相关文献
RADIOLOGY文献大全abstract:PURPOSE:To evaluate aortoiliac aneurysms repaired with endovascular stent-grafts complicated by hemodynamically significant graft stenosis. MATERIALS AND METHODS:Fifty-four patients (52 men, two women; age range, 41-90 years; mean age, 75 years) with aneurysms of the infrarenal aorta (n = 36) or iliac artery (n = 18) ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.209.1.9769820
更新日期:1998-10-01 00:00:00
abstract::Radiographic analysis of 33 cases of trisomy 9p (21 familial, 12 nonfamilial) disclosed consistent abnormalities in the hands, feet, and pelvic bones, with one exception (subsequently considered a misdiagnosis). Most of the abnormalities were present only during the period of epiphyseal growth and occurred with simila...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/130.1.125
更新日期:1979-01-01 00:00:00
abstract::Transrectal catheter drainage was performed under radiologic guidance in eight patients with deep pelvic abscesses during a 7-month period. One patient underwent two procedures. In five patients, the abscess could not be palpated at rectal examination. Seven procedures were performed with fluoroscopic guidance. Transr...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.185.3.1438770
更新日期:1992-12-01 00:00:00
abstract:PURPOSE:To determine if fluorine 18 fluorodeoxyglucose (FDG) positron emission tomographic (PET)/computed tomographic (CT) imaging can depict a treatment effect from intravenous antibiotics for pulmonary exacerbation in cystic fibrosis (CF). MATERIALS AND METHODS:The study was approved by the institutional review boar...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.12111873
更新日期:2012-09-01 00:00:00
abstract::Dilatation of the aortic root, outlined by a periaortic fat layer, was observed in 19 of 25 successive cases of aneurysm of the ascending aorta. In one of these cases the aneurysm was entirely confined to the aortic root. In two other cases the aneurysms could not be detected on standard chest radiographs judged in th...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.138.3.7465830
更新日期:1981-03-01 00:00:00
abstract::Partial Budd-Chiari syndrome was produced in 8 monkeys by obstructing 2 or 3 lobar hepatic veins with a rapidly polymerizing plastic. Hepatic angiography done 1-3 months later revealed crowded tortuous arteries and a dense hepatogram in the lobe with venous occlusion. Unobstructed lobes were hypertrophied. Retrograde ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/122.3.629
更新日期:1977-03-01 00:00:00
abstract::Differences in magnetic resonance (MR) imaging signal-to-noise (S/N) performance between saddle-shaped and solenoidal coils have been postulated. Each coil shape is tied to a particular magnetic field configuration, so that they are not typically interchangeable except in special situations. The solenoidal coil is pre...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.154.1.3964940
更新日期:1985-01-01 00:00:00
abstract::The vlue of epinephrine enhanced angiography in the preoperative distinction of isolated hamartoma (angiomyolipoma without stigma of tuberous sclerosis) from hypernephroma has been largely discounted in the past. The authors performed this procedure in 6 patients (4 with isolated hamartoma and 2 with tuberous sclerosi...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/132.1.61
更新日期:1979-07-01 00:00:00
abstract::Purpose To investigate the prognostic value of circumferential left ventricular (LV) strain measured by using cardiac MRI for prediction of major adverse cardiac events (MACE) following an acute ST-segment-elevation myocardial infarction (STEMI). Materials and Methods Participants with acute STEMI were prospectively e...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2018181253
更新日期:2019-02-01 00:00:00
abstract:PURPOSE:To use Prospective Investigation of Pulmonary Embolism Diagnosis (PIOPED) II data to retrospectively determine sensitivity and specificity of ventilation-perfusion (V/Q) scintigraphic studies categorized as pulmonary embolism (PE) present or PE absent and the proportion of patients for whom these categories app...
journal_title:Radiology
pub_type: 杂志文章,多中心研究
doi:10.1148/radiol.2463070270
更新日期:2008-03-01 00:00:00
abstract::Purpose To estimate the risk of cataract in a cohort of nuclear medicine (NM) radiologic technologists on the basis of their work histories and radiation protection practices. Materials and Methods In the years 2003-2005 and 2012-2013, 42 545 radiologic technologists from a U.S. prospective study completed questionnai...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2017170683
更新日期:2018-02-01 00:00:00
abstract:PURPOSE:To develop a bilateral femoral magnetic resonance (MR) angiographic examination that would include the aortic bifurcation to the ankle. MATERIALS AND METHODS:Thirty-seven patients underwent conventional angiography and the bilateral femoral MR angiographic examination. Two-dimensional time-of-flight angiograph...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.189.1.8372190
更新日期:1993-10-01 00:00:00
abstract::To assess tissue changes responsible for enhancement of the meninges adjacent to meningiomas on magnetic resonance (MR) images, the authors correlated the MR imaging characteristics of meningeal lesions seen before and after administration of gadolinium diethylenetriamine-pentaacetic acid (DTPA) with the appearance of...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.175.2.2326470
更新日期:1990-05-01 00:00:00
abstract::Transbronchial biopsy to sample lymph nodes and tumors that are not visible at endoscopy has a poor (<50%) success rate. These nodes can be highlighted easily at virtual computed tomographic (CT) bronchoscopy to provide a guide. This study was performed to evaluate if the addition of this information to the bronchosco...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2211001585
更新日期:2001-11-01 00:00:00
abstract::Normal kidney length was measured on the excretory urogram in 262 children 0 to 14.5 years of age (422 kidneys). While mean values were similar to those in the literature, the standard deviation (0.785 cm) was much lower than that reported previously. ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.150.3.6695070
更新日期:1984-03-01 00:00:00
abstract:PURPOSE:To determine the radiation dose to radiologists who perform computed tomographic (CT) fluoroscopic interventional procedures by using a quick-check method and a low-milliampere technique. MATERIALS AND METHODS:Two hundred twenty CT fluoroscopy--guided interventional procedures were performed in 189 patients. P...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.220.1.r01jl29161
更新日期:2001-07-01 00:00:00
abstract:PURPOSE:To investigate at which age testicular blood flow can be demonstrated consistently by color Doppler sonography and power Doppler sonography. MATERIALS AND METHODS:In this prospective study, 172 normal testes of 86 boys (age range, 4 days to 15 years) were examined with gray-scale ultrasound, color Doppler sono...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.202.2.9015090
更新日期:1997-02-01 00:00:00
abstract:PURPOSE:To assess the reproducibility and accuracy of volumetric quantifications of articular cartilage in the knee determined with three-dimensional (3D) magnetic resonance (MR) imaging combined with pulsed saturation transfer subtraction (STS) or T1-weighted fat suppression (FS) imaging. MATERIALS AND METHODS:Eight ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.192.2.8029420
更新日期:1994-08-01 00:00:00
abstract::Purpose To compare PET/MR hypoperfusion and hypometabolism in patients with Alzheimer disease (AD) and mild cognitive impairment (MCI) compared with healthy control (HC) participants. Materials and Methods Maps of cerebral blood flow (CBF; pulsed arterial spin-labeling [ASL] MRI), glucose metabolism (fluorine 18 [18F]...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2018170575
更新日期:2018-07-01 00:00:00
abstract::Renal artery stenosis in 201 patients with hypertension was treated with percutaneous transluminal renal angioplasty (PTRA). A total of 213 procedures were performed as treatment of 262 separate stenosis. The stenosis was caused by atherosclerosis in 134 cases and by fibromuscular dysplasia (FMD) in 52 cases; the caus...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.171.2.2523080
更新日期:1989-05-01 00:00:00
abstract::Fifty-one patients underwent both radionuclide and ultrasound studies of the hepatobiliary system. Eleven patients had large bile duct obstruction, six had intrahepatic diffuse small duct obstruction, and 37 had no obstruction. In all 11 patients with large duct obstruction, the radionuclide images were abnormal, but ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.138.1.7455080
更新日期:1981-01-01 00:00:00
abstract::Thirty-five consecutive patients with the clinical diagnosis of fenestral otosclerosis were evaluated with high-resolution computed tomography (CT). Twenty-six were diagnosed as having this disorder by CT evidence of abnormal bony excrescences at or adjacent to the oval window. The diagnosis was made upon examination ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.151.3.6718730
更新日期:1984-06-01 00:00:00
abstract::Purpose To determine whether there is an association between radiologist shift length, schedule, or examination volume and interpretive accuracy. Materials and Methods This study was institutional review board approved and HIPAA compliant. A retrospective analysis of all major discrepancies from a 2015 quality assuran...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2017170555
更新日期:2018-04-01 00:00:00
abstract:PURPOSE:To assess computed tomography (CT) with iodized oil for depiction of small hepatocellular carcinoma (HCC) before liver transplantation. MATERIALS AND METHODS:Thirty-five consecutive cirrhotic patients underwent CT with iodized oil to determine the presence, number, size, and location of possible nodules. All p...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.197.2.7480680
更新日期:1995-11-01 00:00:00
abstract::Irradiation of the orbit is often associated with substantial dose inhomogeneity resulting from the insertion of lens blocks. We postulated that such dose inhomogeneity, which often exceeds 40%, could be halved by the use of two pairs of wedged beams, one angled in the sagittal plane and the other in the commonly empl...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.156.3.4023250
更新日期:1985-09-01 00:00:00
abstract:PURPOSE:To compare the usefulness of computed tomography (CT) and gadolinium-enhanced magnetic resonance (MR) imaging in the detection of neoplastic invasion of laryngeal cartilage. MATERIALS AND METHODS:In a prospective study, 53 patients with carcinoma of the larynx or piriform sinus underwent CT and MR imaging befo...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.194.3.7862960
更新日期:1995-03-01 00:00:00
abstract:PURPOSE:To evaluate the relative benefits and cost-effectiveness of treating iliac arterial occlusive disease with various interventions. MATERIALS AND METHODS:Cost-effectiveness was analyzed in a hypothetical cohort of patients with intermittent claudication caused by an iliac arterial stenosis. Primary stent placeme...
journal_title:Radiology
pub_type: 杂志文章,meta分析
doi:10.1148/radiology.208.3.9722840
更新日期:1998-09-01 00:00:00
abstract::Pilomatrixomas (calcifying epitheliomas of Malherbe) are benign soft-tissue tumors that occur in the dermis or subcutaneous tissues; about 40% are found in children under 10 years of age. More than 80% have microscopic calcification and/or ossification. Although the incidence of radiographically visible calcification ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/123.1.151
更新日期:1977-04-01 00:00:00
abstract:PURPOSE:To evaluate the cochlear modiolus with thin-section magnetic resonance (MR) imaging in healthy subjects and patients with a large endolymphatic duct and sac, and to assess whether the cochlea is normal or abnormal in patients with a large endolymphatic duct and sac. MATERIALS AND METHODS:MR images were obtaine...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.213.3.r99dc05819
更新日期:1999-12-01 00:00:00
abstract::Magnetic resonance imaging (MRI) of an angiographically confirmed pulmonary embolus was performed. The thrombus appeared as an intense intraluminal signal within the left descending pulmonary artery; this signal was absent on repeat examination after clot lysis. Because MR will not image flowing blood, it provides a p...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.153.2.6484180
更新日期:1984-11-01 00:00:00