Kimray-Greenfield vena cava filter: percutaneous introduction.

abstract：:The clinical and radiologic findings in 30 patients who sustained injuries to the temporomandibular joint (TMJ) were retrospectively analyzed. Imaging consisted of variable combinations of radiography, tomography, two-compartment arthrography, computed tomography, and magnetic resonance imaging and was performed 2 day...

journal_title：Radiology

authors： Schellhas KP

更新日期：1989-10-01 00:00:00

abstract：:Background Assessment of femoral torsion at preoperative hip imaging is commonly recommended. However, it is unclear whether MRI is as accurate as CT and how different methods affect femoral torsion measurements. Purpose To compare MRI- and CT-based assessment of femoral torsion by using four commonly used measurement...

journal_title：Radiology

authors： Schmaranzer F,Kallini JR,Miller PE,Kim YJ,Bixby SD,Novais EN

更新日期：2020-08-01 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：:Purpose To investigate the prevalence of symptomatic carotid web in patients with acute ischemic stroke due to intracranial large vessel occlusion, to determine the clinical and imaging profile of patients with carotid web as well as their association with ischemic stroke, and to determine the interobserver agreement ...

journal_title：Radiology

authors： Compagne KCJ,van Es ACGM,Berkhemer OA,Borst J,Roos YBWEM,van Oostenbrugge RJ,van Zwam WH,Majoie CBLM,Marquering HA,Dippel DWJ,van der Lugt A,Emmer BJ,MR CLEAN Trial Investigators.

更新日期：2018-03-01 00:00:00

abstract：:High molecular weight antigen (HMWA) is a tumor-associated proteoglycan of human malignant melanoma. I-131 labeled Fab fragments of these specific antibodies were used for preliminary feasibility studies for radioimmunodetection and therapy of human subjects who had inoperable metastatic melanoma. Ten patients receive...

journal_title：Radiology

authors： Larson SM,Carrasquillo JA,McGuffin RW,Krohn KA,Ferens JM,Hill LD,Beaumier PL,Reynolds JC,Hellström KE,Hellström I

更新日期：1985-05-01 00:00:00

abstract：PURPOSE:To evaluate retrospectively the presence of complete relaxation of the lower esophageal sphincter (LES) at manometry in patients with achalasia depicted on barium esophagograms. MATERIALS AND METHODS:The institutional review board approved this retrospective study and did not require informed consent. A search...

journal_title：Radiology

authors： Amaravadi R,Levine MS,Rubesin SE,Laufer I,Redfern RO,Katzka DA

更新日期：2005-06-01 00:00:00

abstract：PURPOSE:To evaluate gadolinium-enhanced three-dimensional magnetic resonance (MR) angiography for thoracic aortic disease and to compare this technique with conventional thoracic MR imaging. MATERIALS AND METHODS:One hundred eight consecutive patients underwent 122 thoracic MR examinations, including conventional MR i...

journal_title：Radiology

authors： Krinsky GA,Rofsky NM,DeCorato DR,Weinreb JC,Earls JP,Flyer MA,Galloway AC,Colvin SB

更新日期：1997-01-01 00:00:00

abstract：PURPOSE:To prospectively compare nonenhanced magnetic resonance (MR) imaging and ultrasonography (US) for the diagnosis of pediatric appendicitis. MATERIALS AND METHODS:This HIPAA-compliant study was approved by the institutional review board, and written informed consent was obtained from the patient's parent or guar...

journal_title：Radiology

authors： Orth RC,Guillerman RP,Zhang W,Masand P,Bisset GS 3rd

更新日期：2014-07-01 00:00:00

abstract：PURPOSE:To determine the composition of a breast phantom that is most suitable for phototimer testing. MATERIALS AND METHODS:Kilovolt peak and milliampere second values were analyzed for phototimed exposures of phantoms containing 0%, 30%, 50%, 70%, and 100% simulated glandular material at thicknesses of 2, 4, 6, and ...

journal_title：Radiology

authors： Geise RA,Palchevsky A

更新日期：1996-02-01 00:00:00

abstract：:Sixteen of 227 patients referred for percutaneous placement of a ureteral stent had impassable stenoses. Stenoses were benign (n = 8) or attributed to malignant retroperitoneal neoplasm (n = 8). Electrocautery was used to create a neotract between the stenosed ureter and the bladder or ileal loop. A double-J stent was...

journal_title：Radiology

authors： Cornud FE,Casanova JM,Bonnel DH,Helenon OR,Hanna SM,Chretien YR,Dufour BF,Moreau JF

更新日期：1991-08-01 00:00:00

abstract：:A 20-MHz intravascular ultrasound (US) transducer inside a percutaneously inserted catheter was used to evaluate inferior vena caval (IVC) filters for thrombi in vitro and in vivo. Six different IVC filters were studied with intravascular US in a saline-filled model. Each filter had a characteristic, recognizable US p...

journal_title：Radiology

authors： McCowan TC,Ferris EJ,Carver DK

更新日期：1990-12-01 00:00:00

abstract：:During a 5-year period, 11 children were identified as having traumatic atlanto-occipital dislocation injury on the basis of clinical and radiographic findings. Radiographic criteria including the distance between the tip of the dens and the basion (DB distance), the BC/OA ratio (ratio of the distance between the basi...

journal_title：Radiology

authors： Bulas DI,Fitz CR,Johnson DL

更新日期：1993-07-01 00:00:00

abstract：:Embolization of metallic mercury is extremely rare. The literature has consisted primarily of scattered case reports. Two cases of patients with mercury embolization are presented. The differential diagnosis of the chest radiograph is discussed. ...

journal_title：Radiology

authors： Vas W,Tuttle RJ,Zylak CJ

更新日期：1980-11-01 00:00:00

abstract：PURPOSE:To assess the reproducibility of the magnetic resonance (MR) estimate of blood oxygen saturation (sO(2)) in the rat brain, to evaluate the relationship between low MR estimate of sO(2) values and tissue hypoxia in a hypoxic and necrotic glioscarcoma model (9L gliosarcoma cells), and to evaluate the capability o...

journal_title：Radiology

authors： Lemasson B,Christen T,Serduc R,Maisin C,Bouchet A,Le Duc G,Rémy C,Barbier EL

更新日期：2012-12-01 00:00:00

abstract：PURPOSE:To review percutaneous intentional extraluminal recanalization (PIER) for treatment of patients who are poor candidates for infrainguinal arterial bypass surgery (IABS) and have arterial occlusions and chronic critical limb ischemia (CCLI). MATERIALS AND METHODS:Patients with CCLI who were poor candidates for ...

journal_title：Radiology

authors： Spinosa DJ,Leung DA,Matsumoto AH,Bissonette EA,Cage D,Harthun NL,Kern JA,Angle JF,Hagspiel KD,Crosby IK,Wellons HA Jr,Tribble CG,Hartwell GD

更新日期：2004-08-01 00:00:00

abstract：PURPOSE:To determine if comparison of in-phase and opposed-phase gradient-echo magnetic resonance (MR) images enables detection of lipid in renal clear cell carcinoma. MATERIALS AND METHODS:A retrospective search of MR and pathologic records identified 43 patients with biopsy-proved renal masses who underwent in-phase...

journal_title：Radiology

authors： Outwater EK,Bhatia M,Siegelman ES,Burke MA,Mitchell DG

更新日期：1997-10-01 00:00:00

abstract：:Forty-two patients underwent intraarterial digital subtraction angiography (DSA) of the carotid or renal arteries, utilizing a new 4-F aortic flush catheter; 37 procedures were percutaneous transbrachial, five were percutaneous transfemoral. Image quality was consistently good or excellent. The safety of nonselective ...

journal_title：Radiology

authors： Becker GJ,Hicks ME,Holden RW,Edwards MK,Jackson VP,Bendick PJ

更新日期：1984-12-01 00:00:00

abstract：:Purpose To determine whether altered sodium (Na(+)) and chloride (Cl(-)) homeostasis can be visualized in periodic paralyses by using 7-T sodium 23 ((23)Na) and chlorine 35 ((35)Cl) magnetic resonance (MR) imaging. Materials and Methods Institutional review board approval and informed consent of all participants were ...

journal_title：Radiology

authors： Weber MA,Nagel AM,Marschar AM,Glemser P,Jurkat-Rott K,Wolf MB,Ladd ME,Schlemmer HP,Kauczor HU,Lehmann-Horn F

更新日期：2016-09-01 00:00:00

abstract：PURPOSE:To compare the use of dynamic oxygen-enhanced magnetic resonance (MR) imaging with the use of quantitatively assessed computed tomography (CT) for assessment of clinical stage and evaluation of pulmonary functional change due to treatment in patients with asthma. MATERIALS AND METHODS:The institutional review ...

journal_title：Radiology

authors： Ohno Y,Nishio M,Koyama H,Seki S,Yoshikawa T,Matsumoto S,Obara M,van Cauteren M,Sugimura K

更新日期：2014-12-01 00:00:00

abstract：:Twenty-one screen-film systems were examined using contrast-detail-dose methods in order to determine which were most dose-efficient for use in pediatric radiography. With a given screen, dose efficiency in the noise-limited region (contrast approximately equal to 0.05) was more or less constant (within the range of e...

journal_title：Radiology

authors： Cohen G,Wagner LK,McDaniel DL,Robinson LH

更新日期：1984-07-01 00:00:00

abstract：:Twenty-three patients with previously treated medulloblastoma had brain scintigrams revealed posterior fossa recurrence in 15 patients and supratentorial metastases in 9; only 1 of the latter was clinically suspected. Two subdural hematomas and one calvarial metastasis were also detected. Comparison with other diagnos...

journal_title：Radiology

authors： Clark EE,Hattner RS

更新日期：1976-06-01 00:00:00

abstract：:Management of advanced or recurrent primary tracheal neoplasms has been restricted to palliative external beam irradiation. A patient with recurrent adenoid cystic carcinoma of the trachea was recently treated again by combined external irradiation and endotracheal brachytherapy with iridium 192 sources; the results w...

journal_title：Radiology

authors： Percarpio B,Price JC,Murphy P

更新日期：1978-07-01 00:00:00

abstract：PURPOSE:To investigate blood perfusion of nonfractured, normal-appearing vertebral bodies with regard to age and sex. MATERIALS AND METHODS:Dynamic magnetic resonance imaging (160 images obtained in 80 seconds) was performed from T10 to L5 in 66 patients. Patients were assigned to three groups: group 1, those 50 years...

journal_title：Radiology

authors： Chen WT,Shih TT,Chen RC,Lo SY,Chou CT,Lee JM,Tu HY

更新日期：2001-07-01 00:00:00

abstract：:The authors present the postoperative angiographic appearance of the revascularized renal artery in 128 patients. The angiographic findings in four types of surgical procedures (saphenous bypass graft, dacron graft, endarterectomy, and reimplantation of the renal artery) are discussed. Postoperative angiography accura...

journal_title：Radiology

authors： Ekelund L,Gerlock J Jr,Goncharenko V,Foster J

更新日期：1978-02-01 00:00:00

abstract：PURPOSE:To assess the feasibility of percutaneous magnetic resonance (MR)-guided intramyocardial injection of gadodiamide by using real-time imaging and to quantify T1 values and the size of the enhanced region for different concentrations of contrast agent for 30 minutes after injection. MATERIALS AND METHODS:Animal ...

journal_title：Radiology

authors： Krombach GA,Pfeffer JG,Kinzel S,Katoh M,Günther RW,Buecker A

更新日期：2005-05-01 00:00:00

abstract：:Background Dual-energy (DE) CT allows reconstruction of virtual noncontrast (VNC) images from a single-phase contrast agent-enhanced examination, potentially reducing the need for multiphasic CT to characterize renal lesions. However, data regarding diagnostic performance of VNC images for the characterization of rena...

journal_title：Radiology

authors： Meyer M,Nelson RC,Vernuccio F,González F,Farjat AE,Patel BN,Samei E,Henzler T,Schoenberg SO,Marin D

更新日期：2019-05-01 00:00:00

abstract：PURPOSE:To evaluate the sensitivity and specificity of biphasic computed tomography (CT) with mesenteric CT angiography in the diagnosis of acute mesenteric ischemia (AMI). MATERIALS AND METHODS:Sixty-two patients with clinically suspected AMI underwent prospective imaging with biphasic multi-detector row CT. Mesenter...

journal_title：Radiology

authors： Kirkpatrick ID,Kroeker MA,Greenberg HM

更新日期：2003-10-01 00:00:00

abstract：:Background Traumatic brachial plexus injuries affect 1% of patients involved in major trauma. MRI is the best test for traumatic brachial plexus injuries, although its ability to differentiate root avulsions (which require urgent reconstructive surgery) from other types of nerve injury remains unknown. Purpose To eval...

journal_title：Radiology

authors： Wade RG,Takwoingi Y,Wormald JCR,Ridgway JP,Tanner S,Rankine JJ,Bourke G

更新日期：2019-10-01 00:00:00

abstract：:HistoryA 63-year-old woman with a history of left mastectomy for breast cancer and partial gastrectomy with Roux-en-Y reconstruction for nonhealing peptic ulcer presented to the emergency department and reported a 1-month history of abdominal distention, fevers, chills, and flu-like symptoms. She was initially suspect...

journal_title：Radiology

authors： Davarpanah AH,Eberhardt LW

更新日期：2020-10-01 00:00:00

abstract：PURPOSE:To examine the cost and efficacy of diagnostic work-up in patients with invasive cervical cancer. MATERIALS AND METHODS:In 246 patients with invasive cervical cancer, all diagnostic tests performed before treatment were recorded. Patients were divided into two groups: those who underwent magnetic resonance (MR...

journal_title：Radiology

authors： Hricak H,Powell CB,Yu KK,Washington E,Subak LL,Stern JL,Cisternas MG,Arenson RL

更新日期：1996-02-01 00:00:00