Intracranial lesions: flow-related enhancement on MR images using time-of-flight effects.

abstract：PURPOSE:To quantify, with three-dimensional proton magnetic resonance (MR) spectroscopy, metabolic characteristics of normal-appearing white matter and nonenhancing lesions in patients with relapsing-remitting multiple sclerosis (MS). MATERIALS AND METHODS:Institutional review board approval and informed patient conse...

journal_title：Radiology

authors： He J,Inglese M,Li BS,Babb JS,Grossman RI,Gonen O

更新日期：2005-01-01 00:00:00

abstract：:Twenty-two normal volunteers and 32 patients with either benign prostatic hypertrophy or prostatic carcinoma were examined by magnetic resonance imaging (MRI). The images were of high quality and clearly demonstrated the prostate gland and the surrounding anatomy but were of limited value in differentiating between be...

journal_title：Radiology

authors： Poon PY,McCallum RW,Henkelman MM,Bronskill MJ,Sutcliffe SB,Jewett MA,Rider WD,Bruce AW

更新日期：1985-01-01 00:00:00

abstract：PURPOSE:To compare observer performance by using soft-copy images produced by an amorphous silicon flat-panel-detector system and a storage-phosphor system for the detection of simulated chest lesions. MATERIALS AND METHODS:To test the diagnostic performance of these two systems, four types of simulated lesions (nodul...

journal_title：Radiology

authors： Goo JM,Im JG,Lee HJ,Chung MJ,Seo JB,Kim HY,Lee YJ,Kang JW,Kim JH

更新日期：2002-07-01 00:00:00

abstract：:Iophendylate was used to displace a full dose of metrizamide from the capacious lumbar thecal sac superiorly, outlining the conus medullaris. The method is safe, rapid, and convenient. ...

journal_title：Radiology

authors： Smith SP,Wolpert SM

更新日期：1984-12-01 00:00:00

abstract：:The effects of cyclosporin A (CyA), an immunosuppressive agent that is potentially nephrotoxic, on the kidneys of 9 liver transplant recipients were studied with serial 99mTc-DTPA and 131I-hippuran scans. In addition, renal function was determined by measuring serum creatinine levels during the second postoperative we...

journal_title：Radiology

authors： Klintmalm GB,Klingensmith WC 3rd,Iwatsuki S,Schröter GP,Starzl TE

更新日期：1982-01-01 00:00:00

abstract：:Sixteen patients with peripheral cholangiocarcinoma of the liver were examined with computed tomography (CT). None of the 16 patients presented with jaundice or had documented cirrhosis. On scans obtained both before and after the injection of contrast material, the tumors were depicted as low-attenuation masses in al...

journal_title：Radiology

authors： Choi BI,Park JH,Kim YI,Yu ES,Kim SH,Kim WH,Kim CY,Han MC

更新日期：1988-10-01 00:00:00

abstract：:Five patients with frostbite injury were studied by selective angiography and treated by selective intra-arterial application of reserpine with follow-up angiography two days later. Control angiograms showed various degrees of vascular spasm as well as organic stenosis and occlusion. Intra-arterial reserpine produced ...

journal_title：Radiology

authors： Gralino BJ,Porter JM,Rosch J

更新日期：1976-05-01 00:00:00

abstract：:To assess the potential role of ultrasound (US) in evaluating transjugularly inserted intrahepatic portosystemic shunts, the authors performed sonographic, including duplex and color Doppler, studies in 23 patients. Imaging was performed before, during the first week after, and 2-3 months after shunt placement. The pr...

journal_title：Radiology

authors： Longo JM,Bilbao JI,Rousseau HP,García-Villareal L,Vinel JP,Zozaya JM,Joffre FG,Prieto J

更新日期：1993-02-01 00:00:00

abstract：PURPOSE:To determine whether a 10-minute magnetic resonance (MR) imaging examination of the upper abdomen provides sufficiently comprehensive information to replace a longer MR protocol. MATERIALS AND METHODS:Images obtained with selected breathing-independent and breath hold MR sequences, with 2 minutes of total acqu...

journal_title：Radiology

authors： Semelka RC,Balci NC,Op de Beeck B,Reinhold C

更新日期：1999-04-01 00:00:00

abstract：:Magnetic resonance line scan diffusion imaging of the brain, with diffusion weighting between 5 and 5,000 sec/mm(2), was performed in healthy subjects and patients with a 1.5-T machine. For each voxel, biexponential signal decay fits produced two apparent diffusion constants and respective signal amplitudes. Images ba...

journal_title：Radiology

authors： Maier SE,Bogner P,Bajzik G,Mamata H,Mamata Y,Repa I,Jolesz FA,Mulkern RV

更新日期：2001-06-01 00:00:00

abstract：:Fibromuscular dysplasia (FMD) of the intracranial internal carotid and vertebro-basilar system is extremely rare. A case with diffuse intracranial involvement and an associated carotid-cavernous fistula is presented. The literature is reviewed and the pathogenesis of this complication of FMD is discussed. ...

journal_title：Radiology

authors： Zimmerman R,Leeds NE,Naidich TP

更新日期：1977-03-01 00:00:00

abstract：:Balloon dilation is a well-described, nonoperative, alternative treatment for postoperative strictures of the colon and rectum. This procedure may not be technically feasible when an occluded lumen prevents passage of a guide wire across the obstruction. The authors describe the use of transrectal ultrasound guidance ...

journal_title：Radiology

authors： Eschelman DJ,Alexander AA,Goldstein SD,Shapiro MJ

更新日期：1993-11-01 00:00:00

abstract：:Purpose To evaluate the associations among mathematical modeling with the use of magnetic resonance (MR) imaging-based texture features and deep myometrial invasion (DMI), lymphovascular space invasion (LVSI), and histologic high-grade endometrial carcinoma. Materials and Methods Institutional review board approval wa...

journal_title：Radiology

authors： Ueno Y,Forghani B,Forghani R,Dohan A,Zeng XZ,Chamming's F,Arseneau J,Fu L,Gilbert L,Gallix B,Reinhold C

更新日期：2017-09-01 00:00:00

abstract：:A model of the normal anatomy of the capsular attachments of the posterior horn of the lateral meniscus is developed based upon anatomic dissections. The term "fascicles" is applied to the delicate bands of connective tissue which join the posterior lateral meniscus to the joint capsule around the popliteal synovial s...

journal_title：Radiology

authors： Jelaso DV

更新日期：1975-02-01 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：:Emission computed tomography (ECT) studies were performed on test objects and dogs. Conjugate views were obtained for 60 to 120 projections equispaced around 360 degrees by rotation of the subjects in front of a gamma camera. A convolution reconstruction algorithm in which gamma ray attenuation corrections are include...

journal_title：Radiology

authors： Gustafson DE,Berggren MJ,Singh M,Dewanjee MK

更新日期：1978-10-01 00:00:00

abstract：PURPOSE:To prospectively compare the reproducibility of normal liver apparent diffusion coefficient (ADC) measurements by using different respiratory motion compensation techniques with multiple breath-hold (MBH), free-breathing (FB), respiratory-triggered (RT), and navigator-triggered (NT) diffusion-weighted (DW) imag...

journal_title：Radiology

authors： Chen X,Qin L,Pan D,Huang Y,Yan L,Wang G,Liu Y,Liang C,Liu Z

更新日期：2014-04-01 00:00:00

abstract：:Purpose To identify wall enhancement patterns on vessel wall MRI that discriminate between stable and unstable unruptured intracranial aneurysm (UIA). Materials and Methods Patients were included from November 2012 through January 2016. Vessel wall MR images were acquired at 3 T in patients with stable (incidental and...

journal_title：Radiology

authors： Edjlali M,Guédon A,Ben Hassen W,Boulouis G,Benzakoun J,Rodriguez-Régent C,Trystram D,Nataf F,Meder JF,Turski P,Oppenheim C,Naggara O

更新日期：2018-10-01 00:00:00

abstract：:Background Cardiac MRI late gadolinium enhancement (LGE) scar volume is an important marker for outcome prediction in patients with hypertrophic cardiomyopathy (HCM); however, its clinical application is hindered by a lack of measurement standardization. Purpose To develop and evaluate a three-dimensional (3D) convolu...

journal_title：Radiology

authors： Fahmy AS,Neisius U,Chan RH,Rowin EJ,Manning WJ,Maron MS,Nezafat R

更新日期：2020-01-01 00:00:00

abstract：:Purpose To quantify the rate of detection of aneurysms at follow-up digital subtraction angiography (DSA) after initial DSA with results negative for aneurysms in subjects with perimesencephalic (PM) nonaneurysmal subarachnoid hemorrhage. Materials and Methods This single-center retrospective study and meta-analysis w...

journal_title：Radiology

authors： Potter CA,Fink KR,Ginn AL,Haynor DR

更新日期：2016-12-01 00:00:00

abstract：:Three examples of permanently inflated transluminal catheter balloons are presented. Two of these occurred during attempted percutaneous transluminal angioplasty. Nonsurgical solutions, which were successful in each case, are described. Percutaneous puncture with a needle or a larger diameter coaxial catheter under fl...

journal_title：Radiology

authors： Schneider JR,Johnsrude IS,Lund G,Rysavy J,Anderson RW,Amplatz K

更新日期：1985-06-01 00:00:00

abstract：PURPOSE:To describe the placement of a nasolacrimal polyurethane stent with a new introducer set and hook. MATERIALS AND METHODS:The authors designed a soft polyurethane stent, an introducer that does not require balloon dilation, and a hook that can remove a ball-tipped guide wire from the inferior nasal meatus under...

journal_title：Radiology

authors： Song HY,Jin YH,Kim JH,Huh SJ,Kim YH,Kim TH,Sung KB

更新日期：1995-01-01 00:00:00

abstract：PURPOSE:To determine a set of distinctive imaging findings seen in symptomatic patients with pretibial varices. MATERIALS AND METHODS:Medical records and imaging studies of patients who presented with pretibial varices over an 8-year period were collected from four institutions. Findings in six symptomatic patients wi...

journal_title：Radiology

authors： Boutin RD,Sartoris DJ,Rose SC,Plecha EJ,Bundens WP,Haghighi P,Harter LP,Resnick D

更新日期：1997-03-01 00:00:00

abstract：:Improved visualization of the initial bolus of contrast material injected via a lateral Cl-2 puncture for cervical myelography can be obtained by using real-time digital subtraction fluoroscopy. As little as 0.1 ml of metrizamide (250 mg%) can be demonstrated easily. ...

journal_title：Radiology

authors： Sherry RG,Anderson RE

更新日期：1984-04-01 00:00:00

abstract：:Six patients were examined with high-resolution real-time ultrasound following Rammstedt pyloromyotomy for hypertrophic pyloric stenosis. At surgery, the pyloric muscle thickness was greater than or equal to 4 mm, diameter greater than or equal to 13 mm, and length greater than or equal to 19 mm. Sequential sonograms ...

journal_title：Radiology

authors： Sauerbrei EE,Paloschi GG

更新日期：1983-05-01 00:00:00

abstract：PURPOSE:To investigate the effect of variations in anatomic features of the circle of Willis on the perfusion territory to deep structures, including the nucleus caudatus, the nucleus lentiformis, and the thalamus. MATERIALS AND METHODS:The ethics committee of the study institution approved the study protocol. A total...

journal_title：Radiology

authors： Hendrikse J,Petersen ET,Chng SM,Venketasubramanian N,Golay X

更新日期：2010-03-01 00:00:00

abstract：:MRI is firmly established as an essential modality in the imaging of the temporal bone and lateral skull base. It is used to evaluate normal anatomic structures, evaluate for vestibular schwannomas, assess for inflammatory and/or infectious processes, and detect residual and/or recurrent cholesteatoma. It is also exte...

journal_title：Radiology

authors： Benson JC,Carlson ML,Lane JI

更新日期：2020-11-01 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：PURPOSE:To derive a suitable method for grading masticator space invasion in nasopharyngeal carcinoma on the basis of magnetic resonance (MR) images and to determine its prognostic value in patients undergoing intensity-modulated radiation therapy. MATERIALS AND METHODS:After institutional review board approval and in...

journal_title：Radiology

authors： Zhang GY,Huang Y,Cai XY,Chen XP,Xu T,Wu J,Wei WH,Liu LZ,Huang ZL,Zhou MM,Xia ST,Wang YJ

更新日期：2014-10-01 00:00:00

abstract：:Diagnostic quality of radiographs and adverse reactions associated with the use of metrizamide and iohexol as contrast agents in lumbar myelography were compared in a prospective randomized double blind study in 350 patients at seven centers. The contrast media were administered in comparable volumes at a concentratio...

journal_title：Radiology

authors： Kieffer SA,Binet EF,Davis DO,Gabrielsen TO,Kido DK,Latchaw RE,Turski PA,Shaw DD

更新日期：1984-06-01 00:00:00