Assessment of knee cartilage in cadavers with dual-detector spiral CT arthrography and MR imaging.

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：PURPOSE:To determine the speed of and changes in the speed of coronary arterial movement during the cardiac cycle with electron-beam computed tomography (CT). MATERIALS AND METHODS:With electron-beam CT, 20 consecutive cross-sectional images were acquired at the mid right coronary artery (with 50-msec acquisition time...

journal_title：Radiology

authors： Achenbach S,Ropers D,Holle J,Muschiol G,Daniel WG,Moshage W

更新日期：2000-08-01 00:00:00

abstract：:Positron emission tomography (PET) provides metabolic information that has been documented to be useful in patient care. The properties of positron decay permit accurate imaging of the distribution of positron-emitting radiopharmaceuticals. The wide array of positron-emitting radiopharmaceuticals has been used to char...

journal_title：Radiology

authors： Rohren EM,Turkington TG,Coleman RE

更新日期：2004-05-01 00:00:00

abstract：PURPOSE:To evaluate use of the transjugular intrahepatic portosystemic shunt (TIPS) as a nonsurgical approach for the management of Budd-Chiari syndrome (BCS). MATERIALS AND METHODS:Twelve patients with fulminant (n = 2), subacute (n = 5), or chronic (n = 5) BCS underwent TIPS placement. Hepatic venous obstruction was...

journal_title：Radiology

authors： Blum U,Rössle M,Haag K,Ochs A,Blum HE,Hauenstein KH,Astinet F,Langer M

更新日期：1995-12-01 00:00:00

abstract：:Fifty patients with chronic urinary tract schistosomiasis were studied with 99mTc-DTPA. All had a flow study, sequential analog imaging, and digital imaging for 25-35 minutes (20-sec. frames). Time-activity curves (DTPA renograms) were extracted; 12 patients had 131I-Hippuran probe renograms as well. Renal changes inc...

journal_title：Radiology

authors： Lamki LM,Lamki N

更新日期：1981-08-01 00:00:00

abstract：PURPOSE:To compare magnetic resonance (MR) imaging of the oropharynx in patients with sleep apnea syndrome with fiberoptic nasopharyngoscopy, and oropharyngeal pressure and apnea index values. MATERIALS AND METHODS:After sleep induction, 24 patients with sleep apnea syndrome and nine patients with non-sleep-apnea snor...

journal_title：Radiology

authors： Suto Y,Matsuda E,Inoue Y,Suzuki T,Ohta Y

更新日期：1996-11-01 00:00:00

abstract：PURPOSE:To compare changes in urinary viscosity in the renal tubules following administration of a high-viscosity iso-osmolar contrast agent (iodixanol) to that observed following administration of a less viscous, higher osmolar contrast agent (iopromide) in anesthetized rats. MATERIALS AND METHODS:A total of 43 rats ...

journal_title：Radiology

authors： Seeliger E,Becker K,Ladwig M,Wronski T,Persson PB,Flemming B

更新日期：2010-08-01 00:00:00

abstract：PURPOSE:To describe the timeliness of follow-up care in community-based settings among women who receive a recommendation for immediate follow-up during the screening mammography process and how follow-up timeliness varies according to facility and facility-level characteristics. MATERIALS AND METHODS:This was an inst...

journal_title：Radiology

authors： Rosenberg RD,Haneuse SJ,Geller BM,Buist DS,Miglioretti DL,Brenner RJ,Smith-Bindman R,Taplin SH,Breast Cancer Surveillance Consortium.

更新日期：2011-11-01 00:00:00

abstract：:Purpose To demonstrate that anti-MG1 conjugated hybrid magnetic gold nanoparticles (HNPs) act as a catalyst during photothermal ablation (PTA) of colorectal liver metastases, and thus increase ablation zones. Materials and Methods All experiments were performed with approval of the institutional animal care and use co...

journal_title：Radiology

authors： White SB,Kim DH,Guo Y,Li W,Yang Y,Chen J,Gogineni VR,Larson AC

更新日期：2017-12-01 00:00:00

abstract：:The use of arthrography in patients with chronic finger complaints is discussed. Magnification arthrography was performed to assist the clinical evaluation of 15 patients with pain in the metacarpal-phalangeal or proximal interphalangeal joints. Conditions detected include collateral ligament laxity, extravasation aro...

journal_title：Radiology

authors： Rosenthal D,Murray WT,Smith RJ

更新日期：1980-12-01 00:00:00

abstract：:High-resolution magnetic resonance (MR) images of the skin were acquired with a whole-body MR system at 1.5 T by adding a specific imaging module: A saddle-shaped surface gradient coil was connected in place of one of the gradient coils of the system, and a surface radio-frequency coil with a 1.5-cm radius was placed ...

journal_title：Radiology

authors： Bittoun J,Saint-Jalmes H,Querleux BG,Darrasse L,Jolivet O,Idy-Peretti I,Wartski M,Richard SB,Leveque JL

更新日期：1990-08-01 00:00:00

abstract：PURPOSE:To prospectively compare contrast material-enhanced (CE) magnetic resonance (MR) imaging-derived right-to-left ventricle pulmonary transit time (PTT), left ventricular (LV) full width at half maximum (FWHM), and LV time to peak (TTP) between patients with pulmonary arterial hypertension (PAH) and healthy volunt...

journal_title：Radiology

authors： Skrok J,Shehata ML,Mathai S,Girgis RE,Zaiman A,Mudd JO,Boyce D,Lechtzin N,Lima JA,Bluemke DA,Hassoun PM,Vogel-Claussen J

更新日期：2012-06-01 00:00:00

abstract：PURPOSE:To retrospectively evaluate whether dynamic contrast agent-enhanced (DCE) magnetic resonance (MR) imaging parameters assessed by a computer-aided evaluation program are associated with recurrence-free and overall survival in breast cancer patients who received neoadjuvant chemotherapy (NAC). MATERIALS AND METH...

journal_title：Radiology

authors： Yi A,Cho N,Im SA,Chang JM,Kim SJ,Moon HG,Han W,Park IA,Noh DY,Moon WK

更新日期：2013-09-01 00:00:00

abstract：:Circular esophageal myotomy of the upper pouch in infants with esophageal atresia is an effective means of reducing anastomotic tension. This report describes two patients who developed marked postoperative dilatation of the proximal esophagus at the myotomy site. On radiographs, the dilated, air-filled esophagus simu...

journal_title：Radiology

authors： Siegel MJ,Shackelford GD,McAlister WH,Bell MJ

更新日期：1980-08-01 00:00:00

abstract：PURPOSE:To prospectively assess the effect of including or excluding endocardial trabeculae in left ventricular (LV) measurements and the reproducibility of these measurements at cine cardiovascular magnetic resonance (MR) imaging with true fast imaging with steady-state precession (FISP). MATERIALS AND METHODS:The st...

journal_title：Radiology

authors： Papavassiliu T,Kühl HP,Schröder M,Süselbeck T,Bondarenko O,Böhm CK,Beek A,Hofman MM,van Rossum AC

更新日期：2005-07-01 00:00:00

abstract：PURPOSE:To increase the capabilities of ultrasonographic (US) technology for the differential diagnosis of solid breast tumors by using a neural network. MATERIALS AND METHODS:One hundred forty US images of solid breast nodules were evaluated. When a sonogram was obtained, an analog video signal from the VCR output of...

journal_title：Radiology

authors： Chen DR,Chang RF,Huang YL

更新日期：1999-11-01 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 determine if a central axonal injury underlies neuropsychiatric symptoms after mild traumatic brain injury (mTBI) by using tract-based spatial statistics analysis of diffusion-tensor images. MATERIALS AND METHODS:The institutional review board approved this study, with waiver of informed consent. Diffusion-...

journal_title：Radiology

authors： Alhilali LM,Delic JA,Gumus S,Fakhran S

更新日期：2015-12-01 00:00:00

abstract：PURPOSE:To assess brachial plexus magnetic resonance (MR) imaging features and limb-girdle muscle abnormalities as signs of muscle denervation in patients with amyotrophic lateral sclerosis (ALS). MATERIALS AND METHODS:This study was approved by the local ethical committees on human studies, and written informed conse...

journal_title：Radiology

authors： Gerevini S,Agosta F,Riva N,Spinelli EG,Pagani E,Caliendo G,Chaabane L,Copetti M,Quattrini A,Comi G,Falini A,Filippi M

更新日期：2016-05-01 00:00:00

abstract：:The ability of magnetic resonance (MR) imaging to detect and distinguish various stages of obstruction in the canine kidney was investigated. MR images were obtained at acute, subacute, and chronic stages of experimentally produced hydronephrosis. The renal cortex was distinguished from the renal medulla in the normal...

journal_title：Radiology

authors： Thickman D,Kundel H,Biery D

更新日期：1984-07-01 00:00:00

abstract：:Extramedullary plasmacytoma is a rare form of plasma cell dyscrasia, in which malignant plasma cell tumors arise outside the bone marrow. The tumor may arise in any part of the body but the vast majority occur in the head and neck, primarily in the nasal cavity, paranasal sinuses, or upper airway. Six patients with ex...

journal_title：Radiology

authors： Schabel SI,Rogers CI,Rittenberg GM,Bubanj R

更新日期：1978-09-01 00:00:00

abstract：PURPOSE:To evaluate prospectively bolus tracking to time hepatic arterial phase (HAP) imaging of hypervascular hepatocellular carcinomas (HCCs) with a 40-detector computed tomographic (CT) scanner. MATERIALS AND METHODS:This study received institutional review board approval; informed consent was obtained. The study i...

journal_title：Radiology

authors： Sultana S,Awai K,Nakayama Y,Nakaura T,Liu D,Hatemura M,Funama Y,Morishita S,Yamashita Y

更新日期：2007-04-01 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：:The authors evaluated the safety and efficacy of a biopsy gun for performance of image-guided percutaneous biopsy of hepatic allografts in liver transplant recipients. Two hundred fifty-two liver biopsies were performed in 58 transplant recipients over a 27-month period by using this instrument with an 18-gauge needle...

journal_title：Radiology

authors： Chezmar JL,Keith LL,Nelson RC,Plaire JC,Hertzler GL,Bernardino ME

更新日期：1991-05-01 00:00:00

abstract：PURPOSE:To evaluate the effectiveness, cost, and cost-effectiveness of using renal mass biopsy to guide treatment decisions for small incidentally detected renal tumors. MATERIALS AND METHODS:A decision-analytic Markov model was developed to estimate life expectancy and lifetime costs for patients with small (< or = 4...

journal_title：Radiology

authors： Pandharipande PV,Gervais DA,Hartman RI,Harisinghani MG,Feldman AS,Mueller PR,Gazelle GS

更新日期：2010-09-01 00:00:00

abstract：:Many physico-anatomic variables and instrument parameters influence the relative magnetic resonance signal intensity of vascular channels. The interaction of these mechanisms is complex, but their composite effects can be accounted for by two main categories of flow phenomena: time-of-flight effects and spin-phase cha...

journal_title：Radiology

authors： Kucharczyk W,Kelly WM,Davis DO,Norman D,Newton TH

更新日期：1986-12-01 00:00:00

abstract：:Magnetic resonance imaging (MRI) of an angiographically confirmed pulmonary embolus was performed. The thrombus appeared as an intense intraluminal signal within the left descending pulmonary artery; this signal was absent on repeat examination after clot lysis. Because MR will not image flowing blood, it provides a p...

journal_title：Radiology

authors： Moore EH,Gamsu G,Webb WR,Stulbarg MS

更新日期：1984-11-01 00:00:00

abstract：PURPOSE:To correlate the histologic structure and echotexture of peripheral nerves and verify if ultrasound (US) findings can be used to differentiate nerve from tendon. MATERIALS AND METHODS:In an in vitro study, the echotexture of normal peripheral nerves was correlated with the histologic findings. In an in vivo st...

journal_title：Radiology

authors： Silvestri E,Martinoli C,Derchi LE,Bertolotto M,Chiaramondia M,Rosenberg I

更新日期：1995-10-01 00:00:00

abstract：:Purpose To evaluate whether dual-selectin-targeted US molecular imaging allows longitudinal monitoring of anti-inflammatory treatment effects in an acute terminal ileitis model in swine. Materials and Methods The Institutional Animal Care and Use Committee approved all animal studies. Fourteen swine with chemically in...

journal_title：Radiology

authors： Wang H,Hyvelin JM,Felt SA,Guracar I,Vilches-Moure JG,Cherkaoui S,Bettinger T,Tian L,Lutz AM,Willmann JK

更新日期：2018-10-01 00:00:00

abstract：PURPOSE:To use videomicroscopy of tumor-bearing livers of live mice to depict tumors directly to determine the exact nature of rims seen on corresponding ultrasonographic (US) scans. MATERIALS AND METHODS:Seventy-six hepatic colorectal cancer metastases were studied in exteriorized livers of 18 mice by using intravita...

journal_title：Radiology

authors： Kruskal JB,Thomas P,Nasser I,Cay O,Kane RA

更新日期：2000-06-01 00:00:00