Evaluation of an emergency radiology quality assurance program at a level I trauma center: abdominal and pelvic CT studies.

abstract：PURPOSE:To assess the benefit of adding diffusion-weighted (DW) imaging to gadoxetic acid-enhanced magnetic resonance (MR) imaging and MR cholangiopancreatography in the preoperative evaluation of hilar cholangiocarcinoma. MATERIALS AND METHODS:The institutional review board approved this retrospective study and waive...

journal_title：Radiology

authors： Park MJ,Kim YK,Lim S,Rhim H,Lee WJ

更新日期：2014-03-01 00:00:00

abstract：PURPOSE:To present data from the first prospective pilot phase trial of breast cancer participants imaged with fluorine 18 ((18)F)-2-fluoropropionyl-labeled PEGylated dimeric arginine-glycine-aspartic acid ( RGD arginine-glycine-aspartic acid ) peptide (PEG3-E[c{ RGD arginine-glycine-aspartic acid yk}]2) ( FPPRGD2 2-fl...

journal_title：Radiology

authors： Iagaru A,Mosci C,Shen B,Chin FT,Mittra E,Telli ML,Gambhir SS

更新日期：2014-11-01 00:00:00

abstract：:A method is presented for acquiring magnetic resonance (MR) images in parallel from both members of a pair of organs, such as the temporomandibular joint (TMJ), with use of two surface coil receivers. Interleaved sagittal sections are broken into two groups, one on each side of the head, and the MR receiver is toggled...

journal_title：Radiology

authors： Hardy CJ,Katzberg RW,Frey RL,Szumowski J,Totterman S,Mueller OM

更新日期：1988-06-01 00:00:00

abstract：:Background Early stage hepatocellular carcinoma (HCC) is the ideal candidate for resection in patients with preserved liver function; however, cancer will recur in half of these patients and no reliable prognostic tool has been established. Purpose To investigate the effectiveness of radiomic features in predicting tu...

journal_title：Radiology

authors： Ji GW,Zhu FP,Xu Q,Wang K,Wu MY,Tang WW,Li XC,Wang XH

更新日期：2020-03-01 00:00:00

abstract：:Ten consecutive patients with biopsy-proved invasive cervical carcinoma underwent magnetic resonance (MR) imaging with both a standard body coil and with an endorectal surface coil. The endorectal coil provided a markedly improved signal-to-noise ratio, enabling the use of small fields of view; thus, the images had si...

journal_title：Radiology

authors： Milestone BN,Schnall MD,Lenkinski RE,Kressel HY

更新日期：1991-07-01 00:00:00

abstract：:The author's experience with 72 patients with impotence, one patient with Peyronie disease (no impotence), and two healthy volunteers indicates that incompetence of the venocclusive mechanism of the corpora cavernosa is probably the most common cause of vasculogenic impotence. Manometric and angiographic studies are t...

journal_title：Radiology

authors： Bookstein JJ

更新日期：1987-07-01 00:00:00

abstract：:Lymphangiomas are rare, benign tumors which may become opacified during lymphography and may be confused with malignant lymph node disease. A case is reported in which lymphography showed focal collections of contrast material retained for several days in dilated lymphatic spaces which initially simulated metastatic d...

journal_title：Radiology

authors： Castellino RA,Finkelstein S

更新日期：1975-05-01 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

authors： Sostman HD,Stein PD,Gottschalk A,Matta F,Hull R,Goodman L

更新日期：2008-03-01 00:00:00

abstract：PURPOSE:To report population-based utilization rates and their variability across and within populations, geographic areas, and different payment systems for diagnostic radiology and radiation oncology procedures. MATERIALS AND METHODS:Aggregated claims data were obtained from four sources for up to nine radiologic mo...

journal_title：Radiology

authors： Burkhardt JH,Sunshine JH

更新日期：1996-07-01 00:00:00

abstract：PURPOSE:To establish whether early use of magnetic resonance (MR) imaging or computed tomography (CT) influences treatment and outcome of patients with low back pain (LBP) and whether it is cost-effective. MATERIALS AND METHODS:In a multicenter randomized study, two imaging policies for LBP were compared in 782 partic...

journal_title：Radiology

authors： Gilbert FJ,Grant AM,Gillan MG,Vale LD,Campbell MK,Scott NW,Knight DJ,Wardlaw D,Scottish Back Trial Group.

更新日期：2004-05-01 00:00:00

abstract：:Radiographs of 45 patients with evidence of acute unilateral ureteral obstruction at intravenous urography, obtained at least 24 hours after injection of contrast material, were retrospectively studied. Vicarious contrast material excretion (VCME) as evidence by gallbladder opacification on delayed radiographs was see...

journal_title：Radiology

authors： Dyer RB,Gilpin JW,Zagoria RJ,Chen MY,Case LD

更新日期：1990-12-01 00:00:00

abstract：:In nine neonates, spontaneous regression of a multicystic dysplastic kidney (MCDK) was witnessed by means of repeated ultrasound (US) examinations. In three of these patients, the diagnosis was made in utero. Follow-up examinations at the ages of 3, 5, and 32 weeks post-partum showed what would have been called unilat...

journal_title：Radiology

authors： Pedicelli G,Jequier S,Bowen AD,Boisvert J

更新日期：1986-10-01 00:00:00

abstract：PURPOSE:To evaluate the prognostic importance and predictive performance of volume-based parameters of fluorine 18 fluorodeoxyglucose (FDG) positron emission tomography (PET)/computed tomography (CT) in patients with stage I non-small cell lung cancer (NSCLC) after stereotactic body radiation therapy (SBRT). MATERIALS...

journal_title：Radiology

authors： Satoh Y,Onishi H,Nambu A,Araki T

更新日期：2014-01-01 00:00:00

abstract：:The effects of diagnostic levels of ultrasound on DNA of HeLa cells included: increased immunoreactivity to antinucleoside antibodies in G1 cells, strongly suggestive of unwinding of the helix or single-strand break induction, and low levels of non-semiconservative synthesis in logarithmically growing cells treated wi...

journal_title：Radiology

authors： Liebeskind D,Bases R,Elequin F,Neubort S,Leifer R,Goldberg R,Koenigsberg M

更新日期：1979-04-01 00:00:00

abstract：:In 24 CT studies in children with brain stem gliomas, the CT appearance was seen to vary with the tumor's physical characteristics. Infiltrative tumors produce diffuse enlargement of the brain stem; they are isodense with brain parenchyma or of decreased density and may show partial enhancement. Some gliomas grow foca...

journal_title：Radiology

authors： Bilaniuk LT,Zimmerman RA,Littman P,Gallo E,Rorke LB,Bruce DA,Schut L

更新日期：1980-01-01 00:00:00

abstract：PURPOSE:To clarify the computed tomographic (CT) features of focal organizing pneumonia. MATERIALS AND METHODS:The authors retrospectively studied CT scans of 18 patients with histologically proved focal organizing pneumonia. Chest radiographs in all 18 patients suggested bronchogenic carcinoma. RESULTS:Seventeen of ...

journal_title：Radiology

authors： Kohno N,Ikezoe J,Johkoh T,Takeuchi N,Tomiyama N,Kido S,Kondoh H,Arisawa J,Kozuka T

更新日期：1993-10-01 00:00:00

abstract：:A systems approach was employed to improve results of the single-contrast barium enema examination for detection of colonic polyps. Improvements were made in each of the following areas: radiographic-fluoroscopic equipment, fluoroscopic-television images, screen-film combinations, barium suspensions, examination techn...

journal_title：Radiology

authors： Gelfand DW,Chen YM,Ott DJ

更新日期：1987-08-01 00:00:00

abstract：:Computed tomography can help in the evaluation of congenitally anomalous aortic arches and subclavian arteries. The authors discuss the role of computed tomography in the evaluation of such anomalies in seven patients. ...

journal_title：Radiology

authors： McLoughlin MJ,Weisbrod G,Wise DJ,Yeung HP

更新日期：1981-02-01 00:00:00

abstract：PURPOSE:To prospectively compare single- and multisection computed tomographic (CT) perfusion for tumor blood flow determination in an animal model. MATERIALS AND METHODS:All animal protocols and experiments were approved by the institutional animal care and use committee before the study was initiated. R3230 mammary ...

journal_title：Radiology

authors： Hakimé A,Peddi H,Hines-Peralta AU,Wilcox CJ,Kruskal J,Lin S,de Baere T,Raptopoulos VD,Goldberg SN

更新日期：2007-06-01 00:00:00

abstract：:Various whole-body, multiple-field, electron-beam therapy techniques are analyzed. Accelerator characteristics, various dosimetric techniques, and experimental setup are described. A flattening filter was constructed which produced an uncollimated electron-beam profile (4 MeV) with a uniformity of +/- 8% across a 200-...

journal_title：Radiology

authors： Tetenes PJ,Goodwin PN

更新日期：1977-01-01 00:00:00

abstract：PURPOSE:To evaluate use of positron emission tomography (PET) versus computed tomography (CT) in detection of pancreatic cancer and determine the value of quantitative and visual image interpretation of these techniques. MATERIALS AND METHODS:Within 8 weeks before surgery, 73 patients with suspected pancreatic cancer ...

journal_title：Radiology

authors： Stollfuss JC,Glatting G,Friess H,Kocher F,Berger HG,Reske SN

更新日期：1995-05-01 00:00:00

abstract：PURPOSE:To evaluate the use of ultrasound (US) for detection of wooden foreign bodies implanted in cadaveric specimens. MATERIALS AND METHODS:Wooden foreign bodies were randomly placed in the plantar soft tissues of three cadaver feet by using 5-mm-long incisions. Ten foreign bodies were 2.5 x 1.0 mm (length x diamete...

journal_title：Radiology

authors： Jacobson JA,Powell A,Craig JG,Bouffard JA,van Holsbeeck MT

更新日期：1998-01-01 00:00:00

abstract：:Despite the widespread use of interventional radiologic techniques, there has been reluctance to apply these to the spleen. Concern for bleeding and difficulty in negotiating around the colon and pleura have limited its use. The authors report their experience with interventional radiology of the spleen in 35 cases, i...

journal_title：Radiology

authors： Quinn SF,vanSonnenberg E,Casola G,Wittich GR,Neff CC

更新日期：1986-11-01 00:00:00

abstract：:Formal ethical approval was granted by the local research ethics committee; all participants gave written consent. The purpose of the study was to prospectively evaluate the feasibility of a noninvasive method of breast tumor localization in 25 participants, based on the coregistration of three-dimensional (3D) ultras...

journal_title：Radiology

authors： Cash CJ,Coles CE,Treece GM,Purushotham AD,Britton P,Sinnatamby R,Gee AH,Prager RW

更新日期：2007-11-01 00:00:00

abstract：PURPOSE:To assess the feasibility of hybrid imaging of the heart with fluorine 18 fluorodeoxyglucose (FDG) on an integrated 3-T positron emission tomography (PET)/magnetic resonance (MR) imaging system. MATERIALS AND METHODS:The present study was approved by the local institutional review board. Written informed conse...

journal_title：Radiology

authors： Nensa F,Poeppel TD,Beiderwellen K,Schelhorn J,Mahabadi AA,Erbel R,Heusch P,Nassenstein K,Bockisch A,Forsting M,Schlosser T

更新日期：2013-08-01 00:00:00

abstract：PURPOSE:To characterize the radiographic features of ventilator-associated Pseudomonas aeruginosa pneumonia (PAP). MATERIALS AND METHODS:In 56 patients (40 men and 16 women), PAP was documented with fiberoptic bronchoscopy. All patients underwent mechanical ventilation for at least 48 hours before diagnosis. The findi...

journal_title：Radiology

authors： Winer-Muram HT,Jennings SG,Wunderink RG,Jones CB,Leeper KV Jr

更新日期：1995-04-01 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

authors： Hopper KD,Lucas TA,Gleeson K,Stauffer JL,Bascom R,Mauger DT,Mahraj R

更新日期：2001-11-01 00:00:00

abstract：:An intraoral acrylic mold technique to guide and maintain beam direction during oral roentgen therapy is described. It is used in combination with the treatment cone and a lead tube and protective diaphragm for collimation of the beam. ...

journal_title：Radiology

authors： Pantoja E,Rodriguez-Ibanez I

更新日期：1976-02-01 00:00:00

abstract：:Purpose To determine the diagnostic yield of in-bore 3-T magnetic resonance (MR) imaging-guided prostate biopsy and stratify performance according to Prostate Imaging Reporting and Data System (PI-RADS) versions 1 and 2. Materials and Methods This study was HIPAA compliant and institution review board approved. In-bor...

journal_title：Radiology

authors： Tan N,Lin WC,Khoshnoodi P,Asvadi NH,Yoshida J,Margolis DJ,Lu DS,Wu H,Sung KH,Lu DY,Huang J,Raman SS

更新日期：2017-04-01 00:00:00

abstract：:The findings on images of liposarcomas of the extremities in 48 patients (26 men and 22 women aged 20-85 years) were reviewed to correlate the histologic subtypes with radiologic appearance. Computed tomographic scans were obtained in 36 patients; magnetic resonance (MR) images, in 27 patients. The study group had 19 ...

journal_title：Radiology

authors： Jelinek JS,Kransdorf MJ,Shmookler BM,Aboulafia AJ,Malawer MM

更新日期：1993-02-01 00:00:00