Vertebral bone marrow perfusion evaluated with dynamic contrast-enhanced MR imaging: significance of aging and sex.

abstract：PURPOSE:To determine the patterns of dynamic enhancement of normal spinal bone marrow in adults at gadolinium-enhanced magnetic resonance (MR) imaging and the changes that occur with aging. MATERIALS AND METHODS:Dynamic contrast material-enhanced MR imaging of the thoracolumbar spine was performed in 71 patients. The ...

journal_title：Radiology

authors： Montazel JL,Divine M,Lepage E,Kobeiter H,Breil S,Rahmouni A

更新日期：2003-12-01 00:00:00

abstract：:Forty-four pathologically proved mammary carcinomas were studied by clinical examination, xeroradiography, and ultrasonography with a dedicated whole-breast scanner. Abnormalities reflecting carcinoma were shown by echography in 90% of cases and xeromammography in 97%. Ultrasonic manifestations of malignancy were sepa...

journal_title：Radiology

authors： Maturo VG,Zusmer NR,Gilson AJ,Bear B

更新日期：1982-03-01 00:00:00

abstract：:Large, multiloculated abscesses can be difficult to drain percutaneously. The authors describe a technique for disrupting septations within an abscess cavity to provide more complete and effective drainage. It has been successfully performed in four patients. ...

journal_title：Radiology

authors： Lieberman RP,Hahn FJ,Imray TJ,Phalen JT

更新日期：1986-12-01 00:00:00

abstract：PURPOSE:To explore the neural correlates of the thalamus by using resting-state functional magnetic resonance (MR) imaging and to investigate whether thalamic resting-state networks (RSNs) are disrupted in patients with mild traumatic brain injury (MTBI). MATERIALS AND METHODS:This HIPAA-compliant study was approved b...

journal_title：Radiology

authors： Tang L,Ge Y,Sodickson DK,Miles L,Zhou Y,Reaume J,Grossman RI

更新日期：2011-09-01 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：:Two cases of leiomyosarcoma of the inferior vena cava showed a high degree of obstruction of the inferior cava, enlarged local arteries supplying the lesion, neovascularity, and a marked parenchymal blush. Collateral veins bridge the obstruction. ...

journal_title：Radiology

authors： Tegtmeyer CJ,Buschi A

更新日期：1977-03-01 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：:One hundred and two patients, who were being evaluated for carotid artery disease, were prospectively studied for complications occurring as a result of intravenous digital subtraction angiography (DSA). We recorded the type, number, and outcome of complications and reviewed the amount of contrast material used, along...

journal_title：Radiology

authors： Aaron JO,Hesselink JR,Oot R,Jones RL,Davis KR,Taveras JM

更新日期：1984-12-01 00:00:00

abstract：PURPOSE:To compare superior mesenteric artery (SMA) blood flow in healthy volunteers and patients with stenoses in the fasting state and after food intake by using phase-contrast (PC) cine magnetic resonance (MR) imaging. MATERIALS AND METHODS:Ten healthy subjects, four asymptomatic patients (three with 50% stenosis, ...

journal_title：Radiology

authors： Li KC,Whitney WS,McDonnell CH,Fredrickson JO,Pelc NJ,Dalman RL,Jeffrey RB Jr

更新日期：1994-01-01 00:00:00

abstract：:Magnetic resonance (MR) imaging was performed in 17 patients, 11-84 years of age, referred for evaluation of possible osteomyelitis involving the appendicular skeleton. MR imaging permitted successful identification of osteomyelitis in ten patients (four acute, two subacute with Brodie abscess, two chronic, and two ac...

journal_title：Radiology

authors： Tang JS,Gold RH,Bassett LW,Seeger LL

更新日期：1988-01-01 00:00:00

abstract：:A new tray has been designed for use during procedures involving needles and other sharp objects. The tray includes a foam adhesive pad, marked into 10 sections, into which the sharp objects can be placed point first. After the procedure, the objects can be safely withdrawn by their handles and then discarded. The tra...

journal_title：Radiology

authors： Mueller PR,Silverman SG,Tung G,Brink JA,Cardenosa G,Saini S,Forman BH,Hahn PF

更新日期：1989-10-01 00:00:00

abstract：:Computed tomography (CT) used in cases of blunt abdominal trauma has been found sensitive in detection of bowel and mesenteric injuries and discrimination of operable from nonoperable candidates. In 51 patients with suspected bowel or mesenteric injury following blunt abdominal trauma, CT correctly depicted bowel hema...

journal_title：Radiology

authors： Rizzo MJ,Federle MP,Griffiths BG

更新日期：1989-10-01 00:00:00

abstract：:Purpose To investigate the association between N-terminal pro-B-type natriuretic peptide (NT-proBNP), which is a marker of heart disease, and markers of subclinical brain damage on magnetic resonance (MR) images in community-dwelling middle-aged and elderly subjects without dementia and without a clinical diagnosis of...

journal_title：Radiology

authors： Zonneveld HI,Ikram MA,Hofman A,Niessen WJ,van der Lugt A,Krestin GP,Franco OH,Vernooij MW

更新日期：2017-04-01 00:00:00

abstract：PURPOSE:To describe localization studies in nine patients with ectopic parathyroid adenomas in the aortopulmonary window. MATERIALS AND METHODS:Nine patients with ectopic parathyroid tissue (eight adenomas, one hyperplastic gland) in the aortopulmonary window were examined with ultrasound (US), computed tomography (CT...

journal_title：Radiology

authors： Doppman JL,Skarulis MC,Chen CC,Chang R,Pass HI,Fraker DL,Alexander HR,Niederle B,Marx SJ,Norton JA,Wells SA,Spiegel AM

更新日期：1996-11-01 00:00:00

abstract：PURPOSE:To evaluate the frequency, location, and appearance of transient increased attenuation in the liver during arterial-phase helical or incremental computed tomography (CT) in patients with gallbladder disease without hepatic extension. MATERIALS AND METHODS:Findings in dynamic CT examinations in 31 patients with...

journal_title：Radiology

authors： Ito K,Awaya H,Mitchell DG,Honjo K,Fujita T,Uchisako H,Moritani K,Nomura S,Higuchi M,Kada T,Matsumoto T,Matsunaga N

更新日期：1997-09-01 00:00:00

abstract：:Background CT deep learning reconstruction (DLR) algorithms have been developed to remove image noise. How the DLR affects image quality and radiation dose reduction has yet to be fully investigated. Purpose To investigate a DLR algorithm's dose reduction and image quality improvement for pediatric CT. Materials and M...

journal_title：Radiology

authors： Brady SL,Trout AT,Somasundaram E,Anton CG,Li Y,Dillman JR

更新日期：2021-01-01 00:00:00

abstract：:Prototype surface coil magnetic resonance (MR) images were obtained from phantoms and 42 subjects at 0.6 T to assess the feasibility of imaging relatively deep abdominal structures. Surface coil images demonstrated a two- to fourfold improvement in signal-to-noise ratio (SNR) when compared with whole-body coil images ...

journal_title：Radiology

authors： Edelman RR,McFarland E,Stark DD,Ferrucci JT Jr,Simeone JF,Wismer G,White EM,Rosen BR,Brady TJ

更新日期：1985-11-01 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 retrospectively evaluate interobserver variability between breast radiologists by using terminology of the fourth edition of the Breast Imaging Reporting and Data System (BI-RADS) to categorize lesions on mammograms and sonograms and to retrospectively determine the positive predictive value (PPV) of BI-RADS...

journal_title：Radiology

authors： Lazarus E,Mainiero MB,Schepps B,Koelliker SL,Livingston LS

更新日期：2006-05-01 00:00:00

abstract：PURPOSE:To test the hypothesis that rapid and accurate performance of the proficient observer in mammogram interpretation involves a shift in the mechanism of image perception from a relatively slow search-to-find mode to a relatively fast holistic mode. MATERIALS AND METHODS:This HIPAA-compliant study had institution...

journal_title：Radiology

authors： Kundel HL,Nodine CF,Conant EF,Weinstein SP

更新日期：2007-02-01 00:00:00

abstract：:The sequelae of disk degeneration are among the leading causes of functional incapacity in both sexes and are a common source of chronic disability in the working years. Disk degeneration involves structural disruption and cell-mediated changes in composition. Mechanical, traumatic, nutritional, and genetic factors al...

journal_title：Radiology

authors： Modic MT,Ross JS

更新日期：2007-10-01 00:00:00

abstract：:58 cases of breast cancer treated primarily by radiotherapy were evaluated to determine the optimum dose for local control. Of 36 patients with T1 + T2 lesions who had tumorectomy prior to radiotherapy, incomplete excision of tumor was demonstrated on microscopic examination in 18. The minimum tumor dose to the breast...

journal_title：Radiology

authors： Ghossein NA,Stacey P,Alpert RT,Ager PJ,Krishnaswamy V

更新日期：1976-11-01 00:00:00

abstract：PURPOSE:To examine geographic variation in providers' use of diagnostic imaging to identify potential targets for quality improvement initiatives after adjusting for imaging referral across hospital referral regions (HRRs). MATERIALS AND METHODS:Using two Centers for Medicare and Medicaid Services datasets, the author...

journal_title：Radiology

authors： Ip IK,Raja AS,Seltzer SE,Gawande AA,Joynt KE,Khorasani R

更新日期：2015-06-01 00:00:00

abstract：PURPOSE:To determine the radiologic appearance of ganglioneuromas of the adrenal gland and extra-adrenal retroperitoneum. MATERIALS AND METHODS:A retrospective review was performed of imaging findings in nine patients with ganglioneuroma, two with ganglioneuroma-pheochromocytoma, and two with malignant peripheral nerv...

journal_title：Radiology

authors： Radin R,David CL,Goldfarb H,Francis IR

更新日期：1997-03-01 00:00:00

abstract：PURPOSE:To compare the accuracy of a fluid-attenuated inversion-recovery (FLAIR) sequence with that of a conventional double spin-echo (SE) sequence in the identification of increased signal intensity of the hippocampus in mesial temporal sclerosis (MTS). MATERIALS AND METHODS:Three blinded reviewers independently gra...

journal_title：Radiology

authors： Jack CR Jr,Rydberg CH,Krecke KN,Trenerry MR,Parisi JE,Rydberg JN,Cascino GD,Riederer SJ

更新日期：1996-05-01 00:00:00

abstract：:The difficulty of demonstrating lesions near the chest wall is one source of error in mammography. A mediolateral xeroradiograph of the breast which images the chest wall was added to the routine mediolateral and cephalocaudal film-screen projections to minimize this problem. In one case, a posterior breast lesion was...

journal_title：Radiology

authors： Bassett LW,Pagani JJ,Gold RH

更新日期：1980-09-01 00:00:00

abstract：PURPOSE:To correlate intravoxel incoherent motion (IVIM) diffusion-weighted imaging (DWI) parameters with the enhancement patterns of bone marrow and focal lesion obtained on whole-body (WB) dynamic contrast agent-enhanced (DCE) magnetic resonance (MR) images in patients with stage-III multiple myeloma (MM) before and ...

journal_title：Radiology

authors： Bourillon C,Rahmouni A,Lin C,Belhadj K,Beaussart P,Vignaud A,Zerbib P,Pigneur F,Cuenod CA,Bessalem H,Cavet M,Boutekadjirt A,Haioun C,Luciani A

更新日期：2015-12-01 00:00:00

abstract：:Background Chest CT is used to assess the severity of lung involvement in coronavirus disease 2019 (COVID-19). Purpose To determine the changes in chest CT findings associated with COVID-19 from initial diagnosis until patient recovery. Materials and Methods This retrospective review included patients with real-time p...

journal_title：Radiology

authors： Pan F,Ye T,Sun P,Gui S,Liang B,Li L,Zheng D,Wang J,Hesketh RL,Yang L,Zheng C

更新日期：2020-06-01 00:00:00

abstract：PURPOSE:To determine whether systematically evaluated criteria for probably benign lesions were actually applied to lesions placed into that category. MATERIALS AND METHODS:A search of the mammography database yielded 295 cases that were initially followed up with short-term interval mammography but eventually receive...

journal_title：Radiology

authors： Rosen EL,Baker JA,Soo MS

更新日期：2002-04-01 00:00:00

abstract：:We attempted to use hand-held, high-resolution breast sonography to localize for biopsy 11 solid, nonpalpable lesions detected by mammography. Using sonography, we identified and localized only one of four lesions presenting as poorly defined masses and only one of seven lesions presenting as clusters of tiny calcific...

journal_title：Radiology

authors： Weber WN,Sickles EA,Callen PW,Filly RA

更新日期：1985-06-01 00:00:00