Radiographic findings of osteoarthritis versus arthroscopic findings of articular cartilage degeneration in the tibiofemoral joint.

abstract：:Percutaneous aspiration of the gallbladder was performed for nine hospitalized patients, most commonly to establish the diagnosis of acute cholecystitis and its complications in the critically ill patient or patient with sepsis. In five patients, aspiration alone was performed; in four, permanent percutaneous catheter...

journal_title：Radiology

authors： McGahan JP,Walter JP

更新日期：1985-06-01 00:00:00

abstract：PURPOSE:To prospectively determine if kinematic magnetic resonance (MR) imaging of the knee may demonstrate displacement of menisci with tears and, if so, to characterize displaceable and nondisplaceable meniscal tears. MATERIALS AND METHODS:The study was approved by the hospital's review board, and informed consent w...

journal_title：Radiology

authors： Boxheimer L,Lutz AM,Zanetti M,Treiber K,Labler L,Marincek B,Weishaupt D

更新日期：2006-01-01 00:00:00

abstract：:Background Modern high-spatial-resolution radiologic methods enable increasingly detailed volumetric postmortem investigations of human neuroanatomy for diagnostic, research, and educational purposes. Purpose To evaluate the viability of postmortem x-ray phase-contrast micro-CT to provide tissue-conserving, high-spati...

journal_title：Radiology

authors： Barbone GE,Bravin A,Mittone A,Grosu S,Ricke J,Cavaletti G,Djonov V,Coan P

更新日期：2021-01-01 00:00:00

abstract：PURPOSE:To explore the lower limits for radiofrequency (RF) power-induced specific absorption rate (SAR) achievable at 1.5 T for brain magnetic resonance (MR) imaging without loss of tissue signal or contrast present in high-SAR clinical imaging in order to create a potentially viable MR method at ultra-low RF power to...

journal_title：Radiology

authors： Sarkar SN,Alsop DC,Madhuranthakam AJ,Busse RF,Robson PM,Rofsky NM,Hackney DB

更新日期：2011-05-01 00:00:00

abstract：PURPOSE:To assess whether radiologic technologists could be successfully trained to identify abnormalities on mammograms. MATERIALS AND METHODS:Eight radiologic technologists from two different institutions took a pretest, underwent an 8-hour training course followed by a period of preceptorship, and then took a postt...

journal_title：Radiology

authors： Bassett LW,Hollatz-Brown AJ,Bastani R,Pearce JG,Hirji K,Chen L

更新日期：1995-01-01 00:00:00

abstract：:The contrast, resolution, geometric, and motion unsharpness, mottle, and overall impression of 105mm film were compared to these quantities in conventional spot film. It is believed that conventional filming is superior for low contrast objects and cooperative patients whereas with uncooperative, obese patients, the 1...

journal_title：Radiology

authors： Skucas J,Gorski JW

更新日期：1976-02-01 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：:Background Isocitrate dehydrogenase (IDH) mutation has become one of the most important prognostic biomarkers in glioma management. Measurement of 2-hydroxyglutarate (2HG) with MR spectroscopy has shown high pooled sensitivity, although false-positive results with MR spectroscopy have been reported. Purpose To investi...

journal_title：Radiology

authors： Suh CH,Kim HS,Paik W,Choi C,Ryu KH,Kim D,Woo DC,Park JE,Jung SC,Choi CG,Kim SJ

更新日期：2019-06-01 00:00:00

abstract：PURPOSE:To evaluate radiologic findings of peripheral T-cell lymphoma (PTCL) of the colon at double-contrast barium enema examination. MATERIALS AND METHODS:Double-contrast barium enema findings in six patients with pathologically proved PTCL of the colon were retrospectively evaluated and compared with colonoscopic a...

journal_title：Radiology

authors： Lee HJ,Han JK,Kim TK,Kim YH,Kim KW,Choi BI

更新日期：2001-03-01 00:00:00

abstract：:Nephrocalcinosis was diagnosed by means of gray-scale somography in a premature infant with severe bronchopulmonary dysplasia. The examination provided a way of localizing faint calcifications seen on a plain abdominal radiograph. ...

journal_title：Radiology

authors： Cacciarelli AA,Young N,Levine AJ

更新日期：1978-08-01 00:00:00

abstract：:A mass associated with the gastrointestinal tract was detected by sonography in 33 patients. Etiologies included primary or metastatic tumor; intussusception; inflammation secondary to bowel infarction, pancreatitis, or irradiation; and a dilated, fluid-filled gut related to retained gastric contents, obstruction, ile...

journal_title：Radiology

authors： Morgan CL,Trought WS,Oddson TA,Clark WM,Rice RP

更新日期：1980-04-01 00:00:00

abstract：:The effect of 5-thio-D-glucose on the viability and radiosensitivity of P815-X2 mouse mastocytoma cells was studied in vitro. By itself, this compound is specifically cytotoxic toward hypoxic cells; moreover, it sensitizes hypoxic cells to irradiation while it protects aerobic cells from radiation damage. These featur...

journal_title：Radiology

authors： Song CW,Clement JJ,Levitt SH

更新日期：1977-04-01 00:00:00

abstract：:The wide variation in absorber thickness characteristic of the posteroanterior projection of the chest routinely results in film underexposure and attendant suboptimal contrast in the mediastinal, retrocardiac, and diaphragmatic regions. We propose a special scanning system to deliver a more uniform film exposure over...

journal_title：Radiology

authors： Plewes DB,Wandtke JC

更新日期：1982-03-01 00:00:00

abstract：:Renal dynamic computed tomographic (CT) data for 16 patients with unilateral renal artery stenosis were compared with those for 12 control subjects. Three patterns of perfusion were distinguished in stenotic kidneys: pattern A, symmetric time-attenuation curves; pattern B, asymmetric time-attenuation curve with simila...

journal_title：Radiology

authors： Paul JF,Ugolini P,Sapoval M,Mousseaux E,Gaux JC

更新日期：2001-10-01 00:00:00

abstract：:The authors sought to render projection magnetic resonance (MR) angiograms depicting a substantial length of human coronary arteries from sequential breath-hold two-dimensional MR images. Tomographic images of the right and left anterior descending coronary arteries were collected with use of a segmented gradient-reca...

journal_title：Radiology

authors： Edelman RR,Manning WJ,Pearlman J,Li W

更新日期：1993-06-01 00:00:00

abstract：PURPOSE:To determine whether the carpal lunotriquetral ligament (LTL) can be consistently seen and to establish the normal range of LTL appearances at magnetic resonance (MR) imaging as a basis for comparison with LTL tears. MATERIALS AND METHODS:MR imaging was used to identify and characterize the LTL in 75 wrists wi...

journal_title：Radiology

authors： Smith DK,Snearly WN

更新日期：1994-04-01 00:00:00

abstract：PURPOSE:To estimate the cost-effectiveness of computed tomographic (CT) colonography for colorectal cancer (CRC) screening in average-risk asymptomatic subjects in the United States aged 50 years. MATERIALS AND METHODS:Enrollees in the American College of Radiology Imaging Network National CT Colonography Trial provid...

journal_title：Radiology

authors： Vanness DJ,Knudsen AB,Lansdorp-Vogelaar I,Rutter CM,Gareen IF,Herman BA,Kuntz KM,Zauber AG,van Ballegooijen M,Feuer EJ,Chen MH,Johnson CD

更新日期：2011-11-01 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：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：:Olfactory neuroblastoma is often misdiagnosed pathologically. The authors reviewed eight such cases in which the pathological findings met strict criteria. These neoplasms are locally invasive in the nose and paranasal sinuses, with frequent intraorbital and intracranial extension as well as distant metastases. A rare...

journal_title：Radiology

authors： Burke DP,Gabrielsen TO,Knake JE,Seeger JF,Oberman HA

更新日期：1980-11-01 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 prospectively evaluate accuracy and predictive values of Doppler ultrasonographic (US) measurement of portal blood velocity (PBV) and splenic pulsatility index (SPI) in diagnosis of clinically relevant acute rejection in patients with clinicobiochemical hepatic dysfunction after orthotopic liver transplantat...

journal_title：Radiology

authors： Bolognesi M,Sacerdoti D,Mescoli C,Nava V,Bombonato G,Merkel C,Merenda R,Angeli P,Rugge M,Gatta A

更新日期：2005-05-01 00:00:00

abstract：PURPOSE:To assess the diagnostic value of spinal ultrasonography (US) in pediatric patients. MATERIALS AND METHODS:The findings on 38 spinal US scans in 30 patients (mean age, 5.5 months) were compared with those of corresponding magnetic resonance (MR) images. RESULTS:MR imaging showed a normal spinal canal in 14 of...

journal_title：Radiology

authors： Rohrschneider WK,Forsting M,Darge K,Tröger J

更新日期：1996-08-01 00:00:00

abstract：:Purpose To determine whether gadolinium deposits in neural tissues of patients with intracranial abnormalities following intravenous gadolinium-based contrast agent (GBCA) exposure might be related to blood-brain barrier integrity by studying adult patients with normal brain pathologic characteristics. Materials and M...

journal_title：Radiology

authors： McDonald RJ,McDonald JS,Kallmes DF,Jentoft ME,Paolini MA,Murray DL,Williamson EE,Eckel LJ

更新日期：2017-11-01 00:00:00

abstract：:Background Chest CT is used in the diagnosis of coronavirus disease 2019 (COVID-19) and is an important complement to reverse-transcription polymerase chain reaction (RT-PCR) tests. Purpose To investigate the diagnostic value and consistency of chest CT as compared with RT-PCR assay in COVID-19. Materials and Methods ...

journal_title：Radiology

authors： Ai T,Yang Z,Hou H,Zhan C,Chen C,Lv W,Tao Q,Sun Z,Xia L

更新日期：2020-08-01 00:00:00

abstract：:Ultrasound treatment (1.5 W/cm2, 1.9 MHz, C.W.) for 15 minutes either before or after x irradiation reduced the TCD50 of sarcoma-180 by approximately 40% while similar ultrasound treatment for up to 30 minutes did not reduce the TCD50 of the C3HBA mammary adenocarcinoma. Water bath heating (44.5 degrees C for 15 minut...

journal_title：Radiology

authors： Witcofski RL,Kremkau FW

更新日期：1978-06-01 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 determine, in a dual-center setting, whether patients who experience transient severe motion ( TSM transient severe motion ) in the arterial phase during gadoxetate disodium-enhanced magnetic resonance (MR) imaging are at higher risk for a subsequent episode of TSM transient severe motion than patients who d...

journal_title：Radiology

authors： Bashir MR,Castelli P,Davenport MS,Larson D,Marin D,Hussain HK,Jaffe TA

更新日期：2015-01-01 00:00:00

abstract：PURPOSE:To retrospectively evaluate the incidence of and risk factors for pneumothorax, pleural effusion, and chest tube placement for pneumothorax after radiofrequency (RF) ablation of lung tumors. MATERIALS AND METHODS:Institutional review board approval was obtained, with waiver of informed consent. This retrospect...

journal_title：Radiology

authors： Hiraki T,Tajiri N,Mimura H,Yasui K,Gobara H,Mukai T,Hase S,Fujiwara H,Iguchi T,Sano Y,Shimizu N,Kanazawa S

更新日期：2006-10-01 00:00:00

abstract：PURPOSE:To quantify the effects of spiral computed tomographic (CT) acquisition parameters on the magnitude of three-dimensional (3D) rippling artifacts and polyp depiction. MATERIALS AND METHODS:An in vitro colon phantom was constructed with air-filled acrylic cylinders that contained synthetic polyps of 3-13 mm. The...

journal_title：Radiology

authors： Whiting BR,McFarland EG,Brink JA

更新日期：2000-10-01 00:00:00