MR imaging of the dilated biliary tract.

abstract：:This study evaluated the feasibility of treatment of abdominal aortic aneurysm (AAA) by means of intraluminal bypass. Artificial aortic aneurysms with fusiform Dacron conduits were created at surgery , a weft-knit Dacron tube with balloon-expandable stents attached at both ends was inserted transfemorally through a 14...

journal_title：Radiology

authors： Laborde JC,Parodi JC,Clem MF,Tio FO,Barone HD,Rivera FJ,Encarnacion CE,Palmaz JC

更新日期：1992-07-01 00:00:00

abstract：:Anti-scatter grids reduce the amount of secondary radiation contributing to the image and improve the signal-to-noise ratio. However, they may also lead to the creation of linear artifacts representing the shadows of the radiopaque septa. Grid motion perpendicular to the septa during the exposure can cause blurring of...

journal_title：Radiology

authors： Bednarek DR,Rudin S,Wong R

更新日期：1983-04-01 00:00:00

abstract：:Seven patients with lung tumors underwent percutaneous implantation of iodine-125 sources into the tumor. Needle placement and seed implantation were effected with biplane fluoroscopy and a computer planning model based on computed tomography. No complications were encountered. Five of the seven patients underwent the...

journal_title：Radiology

authors： Heelan RT,Hilaris BS,Anderson LL,Nori D,Martini N,Watson RC,Caravelli JF,Linares LA

更新日期：1987-09-01 00:00:00

abstract：:Purpose To determine the prevalence of the spot sign and the accuracy of using the spot sign to predict intracerebral hemorrhage (ICH) expansion with standardized multiphase computed tomographic (CT) angiography. Materials and Methods This prospective observational cohort study included 123 consecutive patients with a...

journal_title：Radiology

authors： Rodriguez-Luna D,Coscojuela P,Rodriguez-Villatoro N,Juega JM,Boned S,Muchada M,Pagola J,Rubiera M,Ribo M,Tomasello A,Demchuk AM,Goyal M,Molina CA

更新日期：2017-12-01 00:00:00

abstract：:Clinical prediction rules are multifactorial tools used to aid in clinical decision making. In radiology, clinical prediction rules are an important method for determining who should undergo imaging and, in combination with cost-effectiveness analysis, how imaging should be performed. To be useful, clinical prediction...

journal_title：Radiology

authors： Blackmore CC

更新日期：2005-05-01 00:00:00

abstract：PURPOSE:To prospectively evaluate fluorine 18 ((18)F) 2-fluoropropionyl-labeled PEGylated dimeric arginine-glycine-aspartic acid (RGD) peptide (PEG3-E[c{RGDyk}]2) (FPPRGD2) positron emission tomography (PET) in patients with glioblastoma multiforme (GBM). MATERIALS AND METHODS:The institutional review board approved t...

journal_title：Radiology

authors： Iagaru A,Mosci C,Mittra E,Zaharchuk G,Fischbein N,Harsh G,Li G,Nagpal S,Recht L,Gambhir SS

更新日期：2015-11-01 00:00:00

abstract：:Forty-two patients underwent magnetic resonance (MR) imaging for a variety of lesions in the vertebral body. A 0.15-T MR system was employed. Twenty-six patients were found to have malignant metastatic lesions (group 1); 16 had nonneoplastic lesions (group 2). The ability to differentiate between the two groups with M...

journal_title：Radiology

authors： Sugimura K,Yamasaki K,Kitagaki H,Tanaka Y,Kono M

更新日期：1987-11-01 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：:Computed tomography (CT) was performed in 42 patients with 49 clinically suspected tears of the posterior tibial tendon. Twenty-eight of the 49 suspected tears were subsequently surgically explored and repaired. Three patterns of tendon abnormalities were recognized on CT scans: type I-intact, hypertrophied, heterogen...

journal_title：Radiology

authors： Rosenberg ZS,Jahss MH,Noto AM,Shereff MJ,Cheung Y,Frey CC,Norman A

更新日期：1988-05-01 00:00:00

abstract：:Although intrauterine hydronephrosis can be detected readily by ultrasound, follow-up ultrasound evaluation on the first day of life may show a falsely normal-appearing kidney. The authors present three infants in whom subsequent studies confirmed the presence of upper urinary tract obstruction. It is postulated that ...

journal_title：Radiology

authors： Laing FC,Burke VD,Wing VW,Jeffrey RB Jr,Hashimoto B

更新日期：1984-08-01 00:00:00

abstract：:Distinction between multicystic kidney and hydronephrosis, the two most common causes of neonatal abdominal masses, is important because of differences in management; however, these two entities may have a similar ultrasonographic appearance. Sonograms of 22 cases of multicystic kidney and hydronephrosis were retrospe...

journal_title：Radiology

authors： Sanders RC,Hartman DS

更新日期：1984-06-01 00:00:00

abstract：:An investigation of the relationship between breast parenchymal patterns and breast cancer prevalence in a large referral population is presented. Mammograms were assigned to one of four categories according to our interpretation of Wolfe's classification. Cancer prevalence for the four patterns was similar when uncor...

journal_title：Radiology

authors： Peyster RG,Kalisher L,Cole P

更新日期：1977-11-01 00:00:00

abstract：:To determine the clinical and mammographic features of recurrent breast cancer after tumorectomy and radiation therapy, the authors reviewed the clinical history and serial mammograms of 48 patients with suspected recurrence. Of patients with recurrent disease, seven had positive mammograms alone, nine had positive fi...

journal_title：Radiology

authors： Hassell PR,Olivotto IA,Mueller HA,Kingston GW,Basco VE

更新日期：1990-09-01 00:00:00

abstract：PURPOSE:To evaluate the data acquired over 2 1/2 years regarding the use of mechanical thrombolysis as the routine, preferred treatment for thrombosed access grafts in a large patient population undergoing hemodialysis. MATERIALS AND METHODS:Mechanical thrombolysis was performed in 1,176 cases. Data were collected on ...

journal_title：Radiology

authors： Beathard GA,Welch BR,Maidment HJ

更新日期：1996-09-01 00:00:00

abstract：PURPOSE:To determine the diagnostic accuracy of breath-hold, contrast material-enhanced, three-dimensional (3D) magnetic resonance (MR) angiography in the assessment of the aortoiliac inflow tract and renal arteries with conventional catheter angiography as the standard of reference. MATERIALS AND METHODS:In 39 patien...

journal_title：Radiology

authors： Hany TF,Debatin JF,Leung DA,Pfammatter T

更新日期：1997-08-01 00:00:00

abstract：PURPOSE:To evaluate the usefulness of power Doppler ultrasonography (US) with a microbubble contrast agent in assessing the therapeutic response of hepatocellular carcinomas (HCCs) treated with percutaneous radio-frequency (RF) ablation. MATERIALS AND METHODS:Forty patients with 45 nodular HCC lesions 1.0-3.8 cm in di...

journal_title：Radiology

authors： Choi D,Lim HK,Kim SH,Lee WJ,Jang HJ,Lee JY,Paik SW,Koh KC,Lee JH

更新日期：2000-11-01 00:00:00

abstract：PURPOSE:To evaluate magnetic resonance (MR) imaging-guided laser-induced thermotherapy (LITT) of liver metastases. MATERIALS AND METHODS:In a phase II study, 20 patients with 33 metastases from colorectal carcinoma (75%) or other primary tumors (25%) underwent LITT. MR thermometry performed with fast low-angle shot se...

journal_title：Radiology

authors： Vogl TJ,Müller PK,Hammerstingl R,Weinhold N,Mack MG,Philipp C,Deimling M,Beuthan J,Pegios W,Riess H

更新日期：1995-07-01 00:00:00

abstract：PURPOSE:To evaluate clinical response to treatment of calcified tendinitis of the shoulder by using a modified percutaneous ultrasonography (US)-guided fine-needle technique. MATERIALS AND METHODS:Thirty shoulders of 30 consecutive patients (23 women, seven men; mean age, 47.4 years) with chronic shoulder pain (averag...

journal_title：Radiology

authors： Aina R,Cardinal E,Bureau NJ,Aubin B,Brassard P

更新日期：2001-11-01 00:00:00

abstract：PURPOSE:To determine whether magnetic resonance (MR) spectroscopic imaging reveals metabolic changes, especially decreased N-acetylaspartate (NAA) concentrations outside the medial temporal lobe in patients with mesial temporal lobe epilepsy (TLE), consistent with neuropathologic findings of extratemporal neuronal impa...

journal_title：Radiology

authors： Vermathen P,Laxer KD,Schuff N,Matson GB,Weiner MW

更新日期：2003-01-01 00:00:00

abstract：PURPOSE:To determine the radiologic characteristics of cystic dystrophy of the duodenal wall. MATERIALS AND METHODS:Ten patients with cystic dystrophy of the duodenal wall and chronic pancreatitis underwent ultrasonography (US) (n = 10), computed tomography (CT) (n = 10), endoscopic US (n = 5), and endoscopic retrogra...

journal_title：Radiology

authors： Procacci C,Graziani R,Zamboni G,Cavallini G,Pederzoli P,Guarise A,Bogina G,Biasiutti C,Carbognin G,Bergamo-Andreis IA,Pistolesi GF

更新日期：1997-12-01 00:00:00

abstract：PURPOSE:To prospectively assess bone marrow (BM) angiogenesis in patients with acute myeloid leukemia (AML) by using iron oxide-enhanced magnetic resonance (MR) imaging. MATERIALS AND METHODS:The study was institutional ethics committee approved. Informed signed consent was obtained from each study participant. The re...

journal_title：Radiology

authors： Matuszewski L,Persigehl T,Wall A,Meier N,Bieker R,Kooijman H,Tombach B,Mesters R,Berdel WE,Heindel W,Bremer C

更新日期：2007-01-01 00:00:00

abstract：:An adaptation of the Papillon technique was developed in which a superficial x-ray machine was used for treatment of small superficially invasive rectal carcinomas. Modification of the proctoscope-treatment cone apparatus, including addition of a fiberoptic scope, allows confirmation of accurate cone placement through...

journal_title：Radiology

authors： Matar JR,Coffey C 2nd,Maruyama Y

更新日期：1988-08-01 00:00:00

abstract：PURPOSE:To evaluate toxicity and efficacy of endobronchial brachytherapy with high-dose-rate (HDR) after-loading of iridium-192 for recurrent endobronchial lesions. MATERIALS AND METHODS:From 1988 to 1993, 81 patients with lung cancer previously treated with external beam radiation therapy were treated with palliative...

journal_title：Radiology

authors： Delclos ME,Komaki R,Morice RC,Allen PK,Davis M,Garden A

更新日期：1996-10-01 00:00:00

abstract：:Thirty patients underwent 16-section multi-detector row computed tomographic (CT) angiography of the thorax with retrospective electrocardiographic gating. Institutional review board approval was obtained for retrospective analysis of CT scan data and records; patient informed consent was not required. Images reconstr...

journal_title：Radiology

authors： Hofmann LK,Zou KH,Costello P,Schoepf UJ

更新日期：2004-12-01 00:00:00

abstract：:Technically refined angiograms and scintigrams were extremely sensitive in demonstrating experimental canine thromboemboli, both immediately after embolization and during the entire course of embolic lysis. Technical refinements included subselective, scintigraphically guided, magnification arteriography and eight-vie...

journal_title：Radiology

authors： Bookstein JJ,Feigin DS,Seo KW,Alazraki NP

更新日期：1980-07-01 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：:Rapid sequence (dynamic) computed tomography (CT) following the bolus injection of contrast material into a peripheral vein allows a differentiation of vascular and nonvascular lung lesions. The use of time-density curves plotting the changing CT number over time also allows pulmonary arterial supply of lung lesions t...

journal_title：Radiology

authors： Godwin JD,Webb WR

更新日期：1981-03-01 00:00:00

abstract：:The value of magnetic resonance (MR) imaging in assessing renal transplants was prospectively studied in 45 patients with 46 allografts. Four allografts were imaged at two different times, and separate diagnoses were given for both examinations. Therefore, this study was based on 50 proved diagnoses: nine normally fun...

journal_title：Radiology

authors： Hricak H,Terrier F,Demas BE

更新日期：1986-05-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the accuracy of contrast material-enhanced magnetic resonance (MR) angiography in the evaluation of vascular invasion by bone and soft-tissue tumors, with surgery serving as the reference standard. MATERIALS AND METHODS:This study was approved by the regional ethics committee, and all...

journal_title：Radiology

authors： Feydy A,Anract P,Tomeno B,Chevrot A,Drapé JL

更新日期：2006-02-01 00:00:00

abstract：:Renal artery stenosis in 201 patients with hypertension was treated with percutaneous transluminal renal angioplasty (PTRA). A total of 213 procedures were performed as treatment of 262 separate stenosis. The stenosis was caused by atherosclerosis in 134 cases and by fibromuscular dysplasia (FMD) in 52 cases; the caus...

journal_title：Radiology

authors： Klinge J,Mali WP,Puijlaert CB,Geyskes GG,Becking WB,Feldberg MA

更新日期：1989-05-01 00:00:00