Gated blood pool imaging following 99mTc stannous pyrophosphate imaging.

abstract：PURPOSE:To use magnetic resonance (MR) imaging to examine the short-term (6 months) natural history of the lipid-rich necrotic core (LRNC) in carotid artery plaques by examining the placebo group of a multicenter clinical trial. MATERIALS AND METHODS:Study procedures and consent forms were approved by the institutiona...

journal_title：Radiology

authors： Sun J,Balu N,Hippe DS,Xue Y,Dong L,Zhao X,Li F,Xu D,Hatsukami TS,Yuan C

更新日期：2013-07-01 00:00:00

abstract：:Of 293 patients who underwent computed tomography (CT), surgery, and pathologic examination for chronic sinusitis, 25 had a diagnosis of fungal sinusitis at pathologic examination. Of these, 22 had foci of increased attenuation at CT (in four patients the mean representative CT number [Hounsfied unit] was 122.2 HU [SD...

journal_title：Radiology

authors： Zinreich SJ,Kennedy DW,Malat J,Curtin HD,Epstein JI,Huff LC,Kumar AJ,Johns ME,Rosenbaum AE

更新日期：1988-11-01 00:00:00

abstract：PURPOSE:To determine whether any initial reductions in cardiovascular reserve (CVR) normalize after carotid revascularization and-because reduced CVR represents a risk factor for ischemic events-whether patients who develop periinterventional infarction have more severely reduced pretreatment CVR than those who do not....

journal_title：Radiology

authors： Haller S,Bonati LH,Rick J,Klarhöfer M,Speck O,Lyrer PA,Bilecen D,Engelter ST,Wetzel SG

更新日期：2008-10-01 00:00:00

abstract：PURPOSE:To compare a glycosaminoglycan chemical exchange saturation transfer (gagCEST) imaging method, which enables sampling of the water signal as a function of the presaturation offset (z-spectrum) at 13 points in clinically feasible imaging times, with sodium 23 ((23)Na) magnetic resonance (MR) imaging in patients ...

journal_title：Radiology

authors： Schmitt B,Zbýn S,Stelzeneder D,Jellus V,Paul D,Lauer L,Bachert P,Trattnig S

更新日期：2011-07-01 00:00:00

abstract：PURPOSE:To assess cardiac morphologic and functional adaptations in elite triathletes with magnetic resonance (MR) imaging and to compare findings to those in recreationally active control subjects. MATERIALS AND METHODS:The institutional review board approved the study, and written informed consent was obtained from ...

journal_title：Radiology

authors： Scharf M,Brem MH,Wilhelm M,Schoepf UJ,Uder M,Lell MM

更新日期：2010-10-01 00:00:00

abstract：:Three cases of talocalcaneal coalition were evaluated with routine radiography, conventional tomography, 99mTc-MDP bone scintigraphy, and computed tomography (CT). Routine radiography was normal in 1 case and demonstrated secondary findings suggesting coalition in 2. Conventional tomography confirmed the coalition in ...

journal_title：Radiology

authors： Deutsch AL,Resnick D,Campbell G

更新日期：1982-07-01 00:00:00

abstract：:Transrectal endosonography is one of the most sensitive techniques to evaluate prostatic disease and is far more accurate than conventional sonography. A retrospective review of sonographic characteristics of the prostate was made in an attempt to define the ability of the technique to distinguish benign from malignan...

journal_title：Radiology

authors： Rifkin MD,Friedland GW,Shortliffe L

更新日期：1986-01-01 00:00:00

abstract：:Angiographic ablation of parathyroid adenomas with ionic contrast material was performed in 24 patients with persistent hyperparathyroidism who had undergone at least one prior unsuccessful surgical resection; 23 had mediastinal adenomas. The success rate was 83% at 1 month after ablation and 71% at both 5 and 9 years...

journal_title：Radiology

authors： Miller DL,Doppman JL,Chang R,Simmons JT,O'Leary TJ,Norton JA,Spiegel AM,Marx SJ,Aurbach GD

更新日期：1987-12-01 00:00:00

abstract：:Gas within embolized, uninfected tumors has been ascribed to either carbon dioxide produced through anaerobic reticulocyte metabolism or oxygen release from oxyhemoglobin. An alternative hypothesis explaining the presence of gas within embolized, uninfected tumors, namely, that gas is introduced during the embolizatio...

journal_title：Radiology

authors： Carroll BA,Walter JF

更新日期：1983-05-01 00:00:00

abstract：:Cathartic colon has been described radiologically, but the pathological characteristics have not been reported. The authors describe a case in which radiological/pathological correlation was possible, with emphasis on the pathology of the colon. The disease simulates chronic ulcerative colitis radiologically and patho...

journal_title：Radiology

authors： Urso FP,Urso MJ,Lee CH

更新日期：1975-09-01 00:00:00

abstract：PURPOSE:To prospectively assess aortic dimensions, aortic elasticity, aortic valve competence, and left ventricular (LV) systolic function in patients after the arterial switch operation (ASO) by using magnetic resonance (MR) imaging. MATERIALS AND METHODS:Informed consent was obtained from all participants for this l...

journal_title：Radiology

authors： Grotenhuis HB,Ottenkamp J,Fontein D,Vliegen HW,Westenberg JJ,Kroft LJ,de Roos A

更新日期：2008-12-01 00:00:00

abstract：:A single step wedge imaging technique is described for the proper evaluation of light fog in radiographic darkrooms. Tests indicate that this technique is a more sensitive indicator of light fog than the conventional technique utilizing unexposed film. It is recommended that fog tests be carried out in radiographic da...

journal_title：Radiology

authors： Gray JE

更新日期：1975-04-01 00:00:00

abstract：:We describe a modification of a tracheostomy tube that allows treatment of carcinoma recurrence in the tracheal stoma using intracavitary radiation therapy. ...

journal_title：Radiology

authors： Janaki LM,Gardner JE,Medlin VL,Gates JR

更新日期：1986-04-01 00:00:00

abstract：:Duplex and color Doppler ultrasound (US) are noninvasive techniques capable of providing much information about the condition of blood vessels and flow within them throughout the body. Doppler US provides more than noninvasive angiography. Besides assessment of blood vessel patency and direction of flow, analysis of t...

journal_title：Radiology

authors： Scoutt LM,Zawin ML,Taylor KJ

更新日期：1990-02-01 00:00:00

abstract：:The safety of small-caliber firearms in a 1.5-T magnetic resonance (MR) imaging environment was assessed with six handguns, which were unloaded before testing. Each firearm was withdrawn barrel-first to assess the interaction of the magnetic field with the hammer and/or trigger. Two of the six weapons discharged repro...

journal_title：Radiology

authors： Kanal E,Shaibani A

更新日期：1994-12-01 00:00:00

abstract：:The CT findings in two surgically proved cases of spontaneous chronic extradural hematoma are presented. Tapered convex margins, a length greater than 2 cm, and associated normal intervertebral disks are findings that help distinguish chronic extradural hematoma from an extruded disk. ...

journal_title：Radiology

authors： Levitan LH,Wiens CW

更新日期：1983-09-01 00:00:00

abstract：:The postnatal outcome of nine patients with the prenatal diagnosis of fetal hydronephrosis is reported. In only three of the nine cases was true obstructive hydronephrosis demonstrated, and in only one of these cases (11%) the patient might have benefited from decompressive surgery at the time of diagnosis of the abno...

journal_title：Radiology

authors： Blane CE,Koff SA,Bowerman RA,Barr M Jr

更新日期：1983-04-01 00:00:00

abstract：PURPOSE:To comprehensively characterize the dosimetric properties of a clinical digital breast tomosynthesis (DBT) system for the acquisition of mammographic and tomosynthesis images. MATERIALS AND METHODS:Compressible water-oil mixture phantoms were created and imaged by using the automatic exposure control (AEC) of ...

journal_title：Radiology

authors： Feng SS,Sechopoulos I

更新日期：2012-04-01 00:00:00

abstract：:In the early years of nuclear medicine, physicians explored applied nuclear physics, and physicists pursued uncharted areas in medicine. Reflections from Jim Adelstein, MD, PhD, John McAfee, MD, Henry Wagner, MD, Fred Bonte, MD, Dave Kuhl, MD, and Alex Gottschalk, MD, add to the appreciation of the diversity in those ...

journal_title：Radiology

authors： Potchen EJ

更新日期：2000-03-01 00:00:00

abstract：PURPOSE:To evaluate the value of magnetic resonance (MR) imaging with a flexible surface coil in predicting the resectability of tumors in the lower rectum and the feasibility of sphincteral salvage. MATERIALS AND METHODS:In a prospective study, 61 patients with histologically proved primary adenocarcinoma of the lowe...

journal_title：Radiology

authors： Urban M,Rosen HR,Hölbling N,Feil W,Hochwarther G,Hruby W,Schiessel R

更新日期：2000-02-01 00:00:00

abstract：:Twenty-two patients with synthetic ossicular replacements were studied with computed tomography (CT). Twelve patients had total ossicular replacement prostheses (TORPs), and ten patients had partial ossicular replacement prostheses (PORPs). Good results were achieved in 12 patients (eight with TORPs and four with PORP...

journal_title：Radiology

authors： Swartz JD,Berger AS,Zwillenberg S,Granoff DW,Popky GL

更新日期：1987-06-01 00:00:00

abstract：:Significant structural and mechanical differences exist between the titanium and stainless steel versions of the Greenfield filter (GF). The titanium GF has a longer leg length (49 mm vs 43 mm), a greater span (38.5 mm vs 28.0 mm), and a larger hook angle (41 degrees vs 23.5 degrees). In vitro tests demonstrated appro...

journal_title：Radiology

authors： Teitelbaum GP,Jones DL,van Breda A,Matsumoto AH,Fellmeth BD,Chespak LW,Barth KH

更新日期：1989-12-01 00:00:00

abstract：:The radiologic studies of 107 patients with pulsatile tinnitus or a vascular retrotympanic mass were retrospectively reviewed. Of the 100 patients with pulsatile tinnitus, 25 had objective tinnitus. A vascular tympanic membrane was present in 37 cases (35%). Normal vascular variants were present in 23 patients (21%). ...

journal_title：Radiology

authors： Remley KB,Coit WE,Harnsberger HR,Smoker WR,Jacobs JM,McIff EB

更新日期：1990-02-01 00:00:00

abstract：PURPOSE:To compare diffusion tensor magnetic resonance imaging with conventional T2-weighted imaging for evaluation of white matter changes in patients with Krabbe disease. MATERIALS AND METHODS:In eight patients with Krabbe disease and eight age-matched control subjects, anisotropy maps were generated with diffusion ...

journal_title：Radiology

authors： Guo AC,Petrella JR,Kurtzberg J,Provenzale JM

更新日期：2001-03-01 00:00:00

abstract：:Eight patients with aneurysms of the right ventricular outflow tract patch following tetralogy of Fallot repair were found to have residual distal obstructions. The site of such an obstruction must be carefully documented preoperatively because failure to relieve significant distal obstruction may result in recurrent ...

journal_title：Radiology

authors： Ascuitto RJ,Ross-Ascuitto NT,Markowitz RI,Kopf GS,Hellenbrand WE,Fahey JT,Kleinman CS

更新日期：1988-04-01 00:00:00

abstract：PURPOSE:To prospectively use compact avalanche photodiodes instead of photomultiplier tubes to integrate a positron emission tomographic (PET) detector and a 7-T magnetic resonance (MR) imager. MATERIALS AND METHODS:All animal experiments were performed in accordance with the University of Tübingen guidelines and the ...

journal_title：Radiology

authors： Judenhofer MS,Catana C,Swann BK,Siegel SB,Jung WI,Nutt RE,Cherry SR,Claussen CD,Pichler BJ

更新日期：2007-09-01 00:00:00

abstract：:Acute airway obstruction during oral intake is a relatively common event that may be fetal if not relieved immediately. Deglutition was studied in 75 individuals who had experienced a near-fatal choking episode (NFCE) or sudden inability to breathe during food intake that was promptly relieved by means of a Heimlich m...

journal_title：Radiology

authors： Feinberg MJ,Ekberg O

更新日期：1990-09-01 00:00:00

abstract：:Extracorporeal shock wave lithotripsy (ESWL), either alone or in combination with percutaneous or retrograde techniques, has rapidly become the procedure of choice for the treatment of intrarenal and upper ureteral calculi. Complications have been few so far and usually have been urinary obstructions or hemorrhages. M...

journal_title：Radiology

authors： Papanicolaou N,Stafford SA,Pfister RC,Althausen AF,Dretler SP

更新日期：1987-06-01 00:00:00

abstract：:Background Previous studies have suggested that texture analysis is a promising tool in the diagnosis, characterization, and assessment of treatment response in various cancer types. Therefore, application of texture analysis may be helpful for early prediction of pathologic response in breast cancer. Purpose To inves...

journal_title：Radiology

authors： Eun NL,Kang D,Son EJ,Park JS,Youk JH,Kim JA,Gweon HM

更新日期：2020-01-01 00:00:00

abstract：:In 34 of 847 patients (4%), testicular cysts were discovered with high-resolution ultrasound (US). Sixteen had a cystic testicular tumor, and US images showed multiple cysts and solid tumor portions in 12 of these 16 (75%). Eighteen patients had nonneoplastic cysts: Five had cysts of the tunica albuginea, and 13 had i...

journal_title：Radiology

authors： Hamm B,Fobbe F,Loy V

更新日期：1988-07-01 00:00:00