Use of a gradient intensifying screen for scoliosis radiography.

abstract：PURPOSE:To assess interobserver agreement in the interpretation of digital subtraction angiographic (DSA) images and conventional angiograms in patients with nondiagnostic lung scans. MATERIALS AND METHODS:One hundred thirty of 397 consecutive patients (65 men, 65 women; mean age, 57 years; age range, 18-92 years) in ...

journal_title：Radiology

authors： van Beek EJ,Bakker AJ,Reekers JA

更新日期：1996-03-01 00:00:00

abstract：:Isolated skin calcifications can be mistaken for intramammary clustered microcalcifications. Confirmation of the dermal location of benign skin deposits will avoid unnecessary biopsy procedures. ...

journal_title：Radiology

authors： Kopans DB,Meyer JE,Homer MJ,Grabbe J

更新日期：1983-11-01 00:00:00

abstract：PURPOSE:To prospectively assess the potential of noninvasive diffusion-weighted magnetic resonance (MR) imaging to depict changes in microperfusion and diffusion in patients with acute unilateral ureteral obstruction. MATERIALS AND METHODS:The local ethics committee approved the study protocol. Informed consent was ob...

journal_title：Radiology

authors： Thoeny HC,Binser T,Roth B,Kessler TM,Vermathen P

更新日期：2009-09-01 00:00:00

abstract：:Quality control in diagnostic radiography begins with production of predictable exposures. The authors describe a technique which permits determination of the variation of mR/mAs for the entire diagnostic range of times and currents in only about 1 hour. The mR/mAs in newly installed units has been shown to vary by as...

journal_title：Radiology

authors： Starchman DE,Johnson RG,Howland WJ

更新日期：1977-02-01 00:00:00

abstract：:Adult respiratory distress syndrome (ARDS) from overdose of tricyclic antidepressants (TCA) has been reported but is not well known. During a 1-year period, 81 patients with serious overdose from tranquilizers and other psychotropic drugs were examined. TCA alone induced overdose in 30 patients or were combined with o...

journal_title：Radiology

authors： Varnell RM,Godwin JD,Richardson ML,Vincent JM

更新日期：1989-03-01 00:00:00

abstract：:An anomaly of the pelvis consisting of a unilateral iliac horn is presented. It appeared as an isolated bony malformation which was not associated with signs, symptoms, or stigmata of hereditary onycho-osteodysplasia. ...

journal_title：Radiology

authors： Wasserman D

更新日期：1976-09-01 00:00:00

abstract：:Complications of indwelling ureteral stents were managed percutaneously in 13 patients. These complications consisted of three fractured, three heavily encrusted, and seven migrated stents. While most ureteral stent malfunctions are routinely managed with retrograde techniques, the percutaneous approach allows effecti...

journal_title：Radiology

authors： LeRoy AJ,Williams HJ Jr,Segura JW,Patterson DE,Benson RC Jr

更新日期：1986-01-01 00:00:00

abstract：:Twenty-three patients with hyperparathyroidism were evaluated preoperatively with magnetic resonance (MR) imaging. Twenty patients also underwent thallium-201/technetium-99m scintigraphy. Of 22 patients with primary hyperparathyroidism, 12 had persistent or recurrent disease. One had secondary hyperparathyroidism due ...

journal_title：Radiology

authors： Peck WW,Higgins CB,Fisher MR,Ling M,Okerlund MD,Clark OH

更新日期：1987-05-01 00:00:00

abstract：:Background The coronavirus disease 2019 (COVID-19) pandemic has spread across the globe with alarming speed, morbidity, and mortality. Immediate triage of patients with chest infections suspected to be caused by COVID-19 using chest CT may be of assistance when results from definitive viral testing are delayed. Purpos...

journal_title：Radiology

authors： Lessmann N,Sánchez CI,Beenen L,Boulogne LH,Brink M,Calli E,Charbonnier JP,Dofferhoff T,van Everdingen WM,Gerke PK,Geurts B,Gietema HA,Groeneveld M,van Harten L,Hendrix N,Hendrix W,Huisman HJ,Išgum I,Jacobs C,Kluge R

更新日期：2021-01-01 00:00:00

abstract：:The role of chest computed tomography (CT) in the evaluation of clinically staged T1N0M0 lung cancer is controversial. Using quantitative methods of decision analysis and data already available in the medical literature, the authors show how the clinical utility and cost effectiveness of chest CT are dependent on seve...

journal_title：Radiology

authors： Black WC,Armstrong P,Daniel TM

更新日期：1988-05-01 00:00:00

abstract：PURPOSE:To determine the enhancement patterns of the penis at magnetic resonance (MR) imaging. MATERIALS AND METHODS:Sequential contrast material-enhanced MR images of the penis in a flaccid state were obtained in 16 volunteers (12 with normal penile function and four with erectile dysfunction). RESULTS:Subjects with...

journal_title：Radiology

authors： Kaneko K,De Mouy EH,Lee BE

更新日期：1994-04-01 00:00:00

abstract：:Radiographs of 38 children with Down syndrome (aged 2-3 years) were retrospectively evaluated for hypoplasia of the posterior arch of the C-1 vertebra. The anteroposterior dimensions of the posterior arch of C-1 were measured and compared with those of an age- and sex-matched control group. The posterior arches of C-2...

journal_title：Radiology

authors： Martich V,Ben-Ami T,Yousefzadeh DK,Roizen NJ

更新日期：1992-04-01 00:00:00

abstract：PURPOSE:To compare the diagnostic usefulness of three-dimensional (3D) stereotaxic surface projection (SSP) with that of standard transaxial display in brain positron emission tomography (PET) in Alzheimer disease (AD). MATERIALS AND METHODS:Standard transaxial section display and 3D-SSP PET image sets obtained after ...

journal_title：Radiology

authors： Burdette JH,Minoshima S,Vander Borght T,Tran DD,Kuhl DE

更新日期：1996-03-01 00:00:00

abstract：PURPOSE:To determine the feasibility of mapping the spatial variation of cartilage T2 relaxation time in vivo in the pediatric knee with a 1.5-T clinical magnetic resonance (MR) imaging system and the manufacturer's body gradient coil. MATERIALS AND METHODS:Twenty-five children and adolescents (age range, 5-17 years; ...

journal_title：Radiology

authors： Dardzinski BJ,Laor T,Schmithorst VJ,Klosterman L,Graham TB

更新日期：2002-10-01 00:00:00

abstract：PURPOSE:To provide a broad perspective concerning the recent use of receiver operating characteristic (ROC) analysis in medical imaging by reviewing ROC studies published in Radiology between 1997 and 2006 for experimental design, imaging modality, medical condition, and ROC paradigm. MATERIALS AND METHODS:Two hundred...

journal_title：Radiology

authors： Shiraishi J,Pesce LL,Metz CE,Doi K

更新日期：2009-12-01 00:00:00

abstract：PURPOSE:To compare the antiquated x-ray system of Hoffmans and van Kleef (circa 1896) with modern x-ray equipment in terms of radiation dose, x-ray beam properties, image quality, and electrical parameters. MATERIALS AND METHODS:The antiquated x-ray system consisted of a Ruhmkorff inductor, battery, and Crookes tube. ...

journal_title：Radiology

authors： Kemerink M,Dierichs TJ,Dierichs J,Huynen HJ,Wildberger JE,van Engelshoven JM,Kemerink GJ

更新日期：2011-05-01 00:00:00

abstract：:In obese individuals, a localized deposit of normal fat may simulate a mediastinal tumor on chest radiography. It is important to consider this possibility in the differential diagnosis to avoid needless surgery and facilitate continued observation when appropriate. ...

journal_title：Radiology

authors： Steckel RJ

更新日期：1976-04-01 00:00:00

abstract：PURPOSE:To review the mammographic features of screening interval breast cancers and to compare the tumor size, histologic grade, and lymph node involvement with those in screening-detected and unscreened symptomatic cancers. MATERIALS AND METHODS:Screening mammography was performed in 72,773 women aged 50-64 years. N...

journal_title：Radiology

authors： Burrell HC,Sibbering DM,Wilson AR,Pinder SE,Evans AJ,Yeoman LJ,Elston CW,Ellis IO,Blamey RW,Robertson JF

更新日期：1996-06-01 00:00:00

abstract：PURPOSE:To evaluate the effect of dual-source parallel radiofrequency (RF) transmission with patient-adaptive local RF shimming on image quality, image contrast, and diagnostic confidence at routine clinical cardiac magnetic resonance (MR) imaging with use of a 3.0-T dual-channel transmit whole-body MR system. MATERIA...

journal_title：Radiology

authors： Mueller A,Kouwenhoven M,Naehle CP,Gieseke J,Strach K,Willinek WA,Schild HH,Thomas D

更新日期：2012-04-01 00:00:00

abstract：:Management of advanced or recurrent primary tracheal neoplasms has been restricted to palliative external beam irradiation. A patient with recurrent adenoid cystic carcinoma of the trachea was recently treated again by combined external irradiation and endotracheal brachytherapy with iridium 192 sources; the results w...

journal_title：Radiology

authors： Percarpio B,Price JC,Murphy P

更新日期：1978-07-01 00:00:00

abstract：:Aneurysms of the thoracic aorta simulated primary esophageal disease both clinically and radiographically in 5 patients. Four had an aortoesophageal fistula at the time of presentation; endoscopic biopsy of a presumed esophageal tumor precipitated hematemesis in the fifth patient. In retrospect, the fistulas were demo...

journal_title：Radiology

authors： Baron RL,Koehler RE,Gutierrez FR,Forrest JV,Weyman PJ

更新日期：1981-12-01 00:00:00

abstract：:Molecular imaging, generally defined as noninvasive imaging of cellular and subcellular events, has gained tremendous depth and breadth as a research and clinical discipline in recent years. The coalescence of major advances in engineering, molecular biology, chemistry, immunology, and genetics has fueled multi- and i...

journal_title：Radiology

authors： Kircher MF,Willmann JK

更新日期：2012-06-01 00:00:00

abstract：:Clinically useful quantities of 52Fe have been prepared at the Brookhaven Linac Isotope Producer (BLIP) by bombarding manganese or nickel targets with medium energy protons. After chemical separation, 52Fe is loaded onto a generator column from which carrier-free 52Mn is eluted. The 52mMn generator is potentially usef...

journal_title：Radiology

authors： Ku TH,Richards P,Stang LG Jr,Prach T

更新日期：1979-08-01 00:00:00

abstract：:Purpose To evaluate the impact of accountable care organizations (ACOs) on use of screening mammography in the Medicare Shared Savings Program (MSSP), the largest value-based reimbursement program in U.S. HISTORY:Materials and Methods Institutional review board approval was waived, as the study used publicly availabl...

journal_title：Radiology

authors： Narayan AK,Harvey SC,Durand DJ

更新日期：2017-02-01 00:00:00

abstract：:Krypton-81m, an inert, radioactive gas with a physical half-life of 13 seconds was used to evaluate regional lung ventilation in 25 pediatric patients. The results suggest that Kr-81m has several advantages over previous methods employing xenon-133. These include: more favorable physical characteristics for imaging wi...

journal_title：Radiology

authors： Li DK,Treves S,Heyman S,Kirkpatrick JA Jr,Lambrecht RM,Ruth TJ,Wolf AP

更新日期：1979-03-01 00:00:00

abstract：:The pathological changes in the female urethra, para-urethral glands, and bladder neck, which manifest clinically as urethral syndrome, produce radiological signs which are recognizable but for which the authors have not found previous reports. The radiographic manifestations of this disease are clearly demonstrated b...

journal_title：Radiology

authors： Jackson EA

更新日期：1976-05-01 00:00:00

abstract：:Fifty-five liver metastases in 21 patients were treated with interstitial laser photocoagulation (ILP). Tumors were irradiated with a neodymium yttrium aluminum garnet laser via optical fibers passed through 19-gauge needles inserted under ultrasound (US) guidance. Heating of the tumor was evident at real-time US as a...

journal_title：Radiology

authors： Amin Z,Donald JJ,Masters A,Kant R,Steger AC,Bown SG,Lees WR

更新日期：1993-05-01 00:00:00

abstract：:The computed tomography (CT) scans in two groups of patients with Hodgkin disease were reviewed to determine the frequency of thymic enlargement. In 50 CT scans from 50 patients with evidence of thoracic disease on CT scans who were examined for primary staging, the thymus was enlarged in 15 of 50 (30%). Fifty CT scan...

journal_title：Radiology

authors： Heron CW,Husband JE,Williams MP

更新日期：1988-06-01 00:00:00

abstract：:The ridge pattern of the external ear was evaluated in 50 normal subjects during the second half of pregnancy. Definition was found to progress with gestational age, with a fully defined pattern implying maturity beyond 33 weeks. The external ear was edematous in patients with severe fetal hydrops. Anomalous shape or ...

journal_title：Radiology

authors： Birnholz JC

更新日期：1983-06-01 00:00:00

abstract：:Percutaneous transhepatic removal of common bile duct stones was performed 54 times in 50 patients with a success rate of 93%. In all patients, a modified Dormia basket was inserted through a percutaneous transhepatic catheter, and the stones or fragments were advanced into the duodenum. All patients had contraindicat...

journal_title：Radiology

authors： Stokes KR,Falchuk KR,Clouse ME

更新日期：1989-03-01 00:00:00