Intraarticular facet block: diagnostic test or therapeutic procedure?

abstract：PURPOSE:To retrospectively determine if renal cell carcinoma can be differentiated from high-attenuation renal cysts at unenhanced computed tomography (CT) based on Hounsfield unit measurements and heterogeneity. MATERIALS AND METHODS:The Human Investigation Committee at our institution approved this study with waiver...

journal_title：Radiology

authors： Jonisch AI,Rubinowitz AN,Mutalik PG,Israel GM

更新日期：2007-05-01 00:00:00

abstract：PURPOSE:To determine objectively the current standard of reporting for studies of computer-aided detection (CAD) for computed tomographic (CT) colonography by systematically reviewing published articles. MATERIALS AND METHODS:MEDLINE was searched to identify study articles meeting the inclusion criteria for describing...

journal_title：Radiology

authors： Robinson C,Halligan S,Taylor SA,Mallett S,Altman DG

更新日期：2008-02-01 00:00:00

abstract：:Nineteen patients with unequivocal angiographic evidence of unilateral or bilateral posterior cerebral artery occulsion were scanned during the acute phase of the stroke. In 12 of them an abnormal accumulation of radioactivity was apparent on the posterior view, but only 2 also exhibited abnormal uptake on the corresp...

journal_title：Radiology

authors： Elinsiedel-Lechtape H,Lechtape-Grüter R

更新日期：1977-05-01 00:00:00

abstract：:A nodular density seen at the posterior lung base on lateral chest radiographs proved to be normal bone in the spine. This nodule results from slight thickening of the bone at the superior aspect of the area where the two laminae join to form the spinous process. ...

journal_title：Radiology

authors： Shortsleeve MJ,Foster SC

更新日期：1979-05-01 00:00:00

abstract：:The ingestion of small, flat disc batteries by infants and children may be life threatening if the battery leaks or disintegrates resulting in perforation of the gastrointestinal tract. The fluoroscopic removal of six ingested batteries from the stomach using an orogastric tube and magnet and a Foley catheter is descr...

journal_title：Radiology

authors： Jaffe RB,Corneli HM

更新日期：1984-02-01 00:00:00

abstract：:Kimray-Greenfield filters were inserted percutaneously into the inferior vena cava (IVC) in 57 patients. Thirty-six were placed from the right femoral vein, 14 from the left femoral vein, and seven from the right internal jugular vein. There were no deaths or major complications and only six minor complications. Infer...

journal_title：Radiology

authors： Pais SO,Mirvis SE,De Orchis DF

更新日期：1987-11-01 00:00:00

abstract：PURPOSE:To assess the usefulness of sonography performed by radiologists after a review of the sonographer's findings. MATERIALS AND METHODS:A total of 398 sonograms were obtained in 392 patients. Sonographers presented preliminary images and impressions to radiologists, who performed additional imaging and recorded t...

journal_title：Radiology

authors： Tessler FN,Tublin ME,Peters JC,Jie T,Peters TL

更新日期：1996-05-01 00:00:00

abstract：:Purpose To evaluate an objective computed tomographic (CT) criterion for distinguishing between part-solid (PS) and nonsolid (NS) lung nodules. Materials and Methods This study received institutional review board approval, and patients gave informed consent. Preoperative CT studies in all patients who underwent surger...

journal_title：Radiology

authors： Revel MP,Mannes I,Benzakoun J,Guinet C,Léger T,Grenier P,Lupo A,Fournel L,Chassagnon G,Bommart S

更新日期：2018-01-01 00:00:00

abstract：:Background Trends in noninvasive diagnostic imaging (NDI) utilization rates have predominantly been reported in Medicare enrollees. To the authors' knowledge, there has been no prior direct comparison of utilization rates between Medicare and commercially insured patients. Purpose To analyze trends in NDI utilization ...

journal_title：Radiology

authors： Hong AS,Levin D,Parker L,Rao VM,Ross-Degnan D,Wharam JF

更新日期：2020-02-01 00:00:00

abstract：:In his overview of the history and theoretical developments of radiotherapy, the author stresses the following concepts: (a) sensitivity is not linked to histology but to the volume of cancer; (b) the dose must not necessarily be homogeneous in the target volume but related to varying volumes of cancer; (c) the fact t...

journal_title：Radiology

authors： Fletcher GH

更新日期：1978-04-01 00:00:00

abstract：:Eleven cases of superior mesenteric artery embolization are presented. The extent of bowel necrosis was found to be related to two major factors: the site of occlusion and the elapsed time between the onset of symptoms and definitive therapy. Angiography, available on an emergency basis, provides a definitive diagnosi...

journal_title：Radiology

authors： Kaufman SL,Harrington DP,Siegelman SS

更新日期：1977-09-01 00:00:00

abstract：:To enhance the versatility of the short-tau inversion-recovery (STIR) sequences, the authors determined a range of repetition time (TR) and inversion time (TI) combinations that suppress signal intensity from fat by study of both patient and phantom images. To make fast STIR images, variations in the following pulsing...

journal_title：Radiology

authors： Fleckenstein JL,Archer BT,Barker BA,Vaughan JT,Parkey RW,Peshock RM

更新日期：1991-05-01 00:00:00

abstract：:Midline activity low in the pelvis seen on Ga-67 scans is frequently attributed to colonic excretion of radionuclide. We have seen two cases of infectious prostatitis with focal uptake of Ga-67 within the prostate gland. We describe a technique of using limited quantities of barium administered by enema and appropriat...

journal_title：Radiology

authors： Sullivan WT,Rosen PR,Weiland FL,Ritchey ML

更新日期：1984-08-01 00:00:00

abstract：:An inverse linear correlation was found between patients' ages and the quality of bone scans. The degrees to which radionuclides were visible in soft tissue, kidneys, and particularly cancellous bone were the basis of this correlation. ...

journal_title：Radiology

authors： Wilson MA

更新日期：1981-06-01 00:00:00

abstract：:Clinical, radiological, and pathologic data for nine children with adult respiratory distress syndrome (ARDS) were reviewed. The children ranged in age from 7 months to 15 years (mean age, 7.4 yrs). Underlying diseases and precipitating events included sepsis, pneumonia, near drowning, aspiration pneumonia, central ne...

journal_title：Radiology

authors： Effmann EL,Merten DF,Kirks DR,Pratt PC,Spock A

更新日期：1985-10-01 00:00:00

abstract：PURPOSE:To retrospectively determine whether baseline nodule characteristics at 3-month and 1-year volume doubling time (VDT) are predictive for lung cancer in solid indeterminate noncalcified nodules (NCNs) detected at baseline computed tomographic (CT) screening. MATERIALS AND METHODS:The study, conducted between Ap...

journal_title：Radiology

authors： Xu DM,van der Zaag-Loonen HJ,Oudkerk M,Wang Y,Vliegenthart R,Scholten ET,Verschakelen J,Prokop M,de Koning HJ,van Klaveren RJ

更新日期：2009-01-01 00:00:00

abstract：:Of the 67-Ga scans obtained in 42 patients with fever and suspected inflammatory lesions, 17 were positive. In 9 patients the scans yielded information about localized inflammation not provided by previous studies. Four patients did not have an inflammatory lesion at the positive site. Ten of 13 abscesses or inflamed ...

journal_title：Radiology

authors： Teates CD,Hunter JG Jr

更新日期：1975-08-01 00:00:00

abstract：:Purpose To assess the patient-dependent accuracy of atlas-based attenuation correction (ATAC) for brain positron emission tomography (PET) in an integrated time-of-flight (TOF) PET/magnetic resonance (MR) imaging system. Materials and Methods Thirty recruited patients provided informed consent in this institutional re...

journal_title：Radiology

authors： Yang J,Jian Y,Jenkins N,Behr SC,Hope TA,Larson PEZ,Vigneron D,Seo Y

更新日期：2017-07-01 00:00:00

abstract：:The authors examined 10 healthy male subjects with dynamic computed tomography to determine normal dynamic and expiratory findings. In both the supine and prone positions, the average increase in lung attenuation during exhalation was found to be significantly greater in dependent lung regions than in nondependent lun...

journal_title：Radiology

authors： Webb WR,Stern EJ,Kanth N,Gamsu G

更新日期：1993-01-01 00:00:00

abstract：PURPOSE:To differentiate prostate cancers of different histopathologic grades with dynamic gadolinium-enhanced magnetic resonance (MR) imaging. Results with a conventional small-molecular contrast medium (CM) were compared to those with a prototypic macromolecular CM. MATERIALS AND METHODS:High- and low-grade tumors, ...

journal_title：Radiology

authors： Gossmann A,Okuhata Y,Shames DM,Helbich TH,Roberts TP,Wendland MF,Huber S,Brasch RC

更新日期：1999-10-01 00:00:00

abstract：:The authors investigated the contrast enhancement characteristics of the coronary artery stent lumen to assess patency and then evaluated the accuracy of computed tomographic (CT) measurement of the in-stent luminal diameter. Nineteen patients (16 men and three women; mean age, 58.7 years) with 26 stents underwent car...

journal_title：Radiology

authors： Hong C,Chrysant GS,Woodard PK,Bae KT

更新日期：2004-10-01 00:00:00

abstract：:The computed tomographic (CT) scans of 45 patients (30 adults, 15 children) with cerebral cysticercosis were reviewed. These patients had undergone complete diagnostic evaluations including skin tests, laboratory tests, plain skull radiography, radionuclide brain scanning, CT, and cerebral angiography. All of these te...

journal_title：Radiology

authors： Byrd SE,Locke GE,Biggers S,Percy AK

更新日期：1982-09-01 00:00:00

abstract：:Kinetics of an iodinated contrast medium were evaluated quantitatively as a function of time up to one hour after intravenous infusion in the brains of dogs with experimentally induced radiation damage and dogs with spontaneous brain tumor. Radiation damage was characterized by an increase in iodine accumulation soon ...

journal_title：Radiology

authors： Fike JR,Cann CE

更新日期：1984-04-01 00:00:00

abstract：PURPOSE:To evaluate the reliability of ultrasonographic (US) elastography of the supraspinatus (SSP) muscle, define normal shear-wave velocity (SWV) values, and correlate findings with tendon integrity and muscle quality. MATERIALS AND METHODS:The study was approved by the local ethics committee, and written informed ...

journal_title：Radiology

authors： Rosskopf AB,Ehrmann C,Buck FM,Gerber C,Flück M,Pfirrmann CW

更新日期：2016-02-01 00:00:00

abstract：PURPOSE:To prospectively assess the frequency and cause of disagreements in diagnoses at ultrasonography (US) and magnetic resonance (MR) imaging for fetuses referred for ventriculomegaly (VM). MATERIALS AND METHODS:One hundred ninety-five women, aged 18-44 years, with 200 fetal referrals for VM, were recruited in a p...

journal_title：Radiology

authors： Levine D,Feldman HA,Tannus JF,Estroff JA,Magnino M,Robson CD,Poussaint TY,Barnewolt CE,Mehta TS,Robertson RL

更新日期：2008-05-01 00:00:00

abstract：PURPOSE:To evaluate dynamic magnetic resonance (MR) defecography performed with a superconducting, open-configuration system in diagnosis of defecation disorders. MATERIALS AND METHODS:Five healthy volunteers and 15 patients with defecation disorders were studied with MR defecography performed with a superconducting, ...

journal_title：Radiology

authors： Schoenenberger AW,Debatin JF,Guldenschuh I,Hany TF,Steiner P,Krestin GP

更新日期：1998-03-01 00:00:00

abstract：PURPOSE:To determine whether contrast material-enhanced helical computed tomography (CT) of the thorax and upper abdomen changes the tumor stage and management compared with nonenhanced helical CT in patients with newly diagnosed lung cancer. MATERIALS AND METHODS:During 15 months, any patient in whom lung cancer was ...

journal_title：Radiology

authors： Patz EF Jr,Erasmus JJ,McAdams HP,Connolly JE,Marom EM,Goodman PC,Leder RA,Keogan MT,Herndon JE

更新日期：1999-07-01 00:00:00

abstract：PURPOSE:To evaluate the diagnostic accuracy of percutaneous image-guided cutting-needle biopsy of pleural thickening in the presence of a suspected malignant pleural effusion. MATERIALS AND METHODS:Thirty-three adult patients with diffuse or focal pleural thickening (median, 1.0 cm; range, 0.2-6.0 cm), pleural effusio...

journal_title：Radiology

authors： Adams RF,Gleeson FV

更新日期：2001-05-01 00:00:00

abstract：:Background Glomerulonephritis refers to renal diseases characterized by glomerular and tubulointerstitial fibrosis. Multifrequency US time-harmonic elastography enables the noninvasive quantification of tissue elasticity. Purpose To assess the diagnostic performance of US time-harmonic elastography for the early detec...

journal_title：Radiology

authors： Grossmann M,Tzschätzsch H,Lang ST,Guo J,Bruns A,Dürr M,Hoyer BF,Grittner U,Lerchbaumer M,Nguyen Trong M,Schultz M,Hamm B,Braun J,Sack I,Marticorena Garcia SR

更新日期：2019-09-01 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

authors： Harisiadis L,Schell MC,Working KR,Justice T,Wessels BW,Ling CC

更新日期：1985-09-01 00:00:00