Hepatocellular adenomas: correlation of MR imaging findings with pathologic subtype classification.

abstract：PURPOSE:To validate coronary sinus flow measurements for quantification of global left ventricular (LV) perfusion by means of velocity-encoded cine (VEC) magnetic resonance (MR) imaging and flow probes. MATERIALS AND METHODS:Measurements of coronary sinus flow were performed in seven dogs by using VEC MR imaging at ba...

journal_title：Radiology

authors： Lund GK,Wendland MF,Shimakawa A,Arheden H,Ståhlberg F,Higgins CB,Saeed M

更新日期：2000-11-01 00:00:00

abstract：PURPOSE:To investigate whether smoking has an effect on recurrent lumen narrowing after percutaneous transluminal angioplasty (PTA) or stent placement in lower-limb arteries. MATERIALS AND METHODS:A total of 650 patients (median age, 70 years; 389 men) with peripheral artery disease who underwent iliac artery PTA (n =...

journal_title：Radiology

authors： Schillinger M,Exner M,Mlekusch W,Haumer M,Sabeti S,Ahmadi R,Wagner O,Minar E

更新日期：2004-06-01 00:00:00

abstract：PURPOSE:To determine the accuracy of helical computed tomography (CT) without the oral, intravenous, or rectal administration of contrast material in confirming suspected acute appendicitis. MATERIALS AND METHODS:Three hundred consecutive patients referred from the departments of surgery and emergency medicine were ex...

journal_title：Radiology

authors： Lane MJ,Liu DM,Huynh MD,Jeffrey RB Jr,Mindelzun RE,Katz DS

更新日期：1999-11-01 00:00:00

abstract：PURPOSE:To compare volume reduction of single-session ethanol ablation (EA) and radiofrequency (RF) ablation for cystic thyroid nodule treatment. MATERIALS AND METHODS:All patients gave written informed consent to participate in this prospective institutional review board-approved study. From May 6, 2010, to August 8,...

journal_title：Radiology

authors： Sung JY,Baek JH,Kim KS,Lee D,Yoo H,Kim JK,Park SH

更新日期：2013-10-01 00:00:00

abstract：PURPOSE:To determine long-term results of the prospective Dutch Iliac Stent Trial. MATERIALS AND METHODS:The study protocol was approved by local institutional review boards. All patients gave written informed consent. Two hundred seventy-nine patients (201 men, 78 women; mean age, 58 years) with iliac artery disease ...

journal_title：Radiology

authors： Klein WM,van der Graaf Y,Seegers J,Spithoven JH,Buskens E,van Baal JG,Buth J,Moll FL,Overtoom TT,van Sambeek MR,Mali WP

更新日期：2006-02-01 00:00:00

abstract：:Adenomatous hyperplastic nodules (AHNs) in the cirrhotic liver may be precurosors of hepatocellular carcinoma. These nodules have been demonstrated more frequently because of the increased use of ultrasonography (US) in the screening of high-risk patients. Treatment is a problem because surgical resection of a precanc...

journal_title：Radiology

authors： Livraghi T,Sangalli G,Vettori C

更新日期：1989-01-01 00:00:00

abstract：PURPOSE:To determine the visibility of presumably excised lesions on screen-film mammograms obtained after biopsy and to determine the accuracy of clip deployment on the basis of measurements obtained on routine pre- and postbiopsy mammograms. MATERIALS AND METHODS:One hundred eleven cases of core-needle biopsy with c...

journal_title：Radiology

authors： Rosen EL,Vo TT

更新日期：2001-02-01 00:00:00

abstract：:Intravascular injection of some radiographic contrast media causes a fall in the concentration of unbound serum calcium (Ca++) and an increase in serum immunoreactive parathyroid hormone (iPTH). The decrease in Ca++ levels was attributed to the presence in the contrast media of calcium chelating agents (disodium edeta...

journal_title：Radiology

authors： Mallette LE,Gomez LS

更新日期：1983-06-01 00:00:00

abstract：:Purpose To evaluate the impact of accountable care organizations (ACOs) on use of screening mammography in the Medicare Shared Savings Program (MSSP), the largest value-based reimbursement program in U.S. HISTORY:Materials and Methods Institutional review board approval was waived, as the study used publicly availabl...

journal_title：Radiology

authors： Narayan AK,Harvey SC,Durand DJ

更新日期：2017-02-01 00:00:00

abstract：:Background Identification of large vessel occlusion (LVO) is critical to the management of acute ischemic stroke and prerequisite to endovascular therapy in recent trials. Increasing volumes and data complexity compel the development of fast, reliable, and automated tools for LVO detection to facilitate acute imaging ...

journal_title：Radiology

authors： Dehkharghani S,Lansberg M,Venkatsubramanian C,Cereda C,Lima F,Coelho H,Rocha F,Qureshi A,Haerian H,Mont'Alverne F,Copeland K,Heit J

更新日期：2021-01-12 00:00:00

abstract：:Twenty-three patients with malignant hepatic tumors underwent magnetic resonance (MR) imaging before and after intravenous administration of gadolinium-diethylene-triaminepentaacetic acid (DTPA). Two different doses were used, 0.1 mmol/kg and 0.2 mmol/kg. The larger dose proved to be more effective than the smaller do...

journal_title：Radiology

authors： Hamm B,Wolf KJ,Felix R

更新日期：1987-08-01 00:00:00

abstract：:Spermatic venography with hot contrast material embolization was undertaken in 81 patients with varicoceles and infertility. Long-term follow-up information was available in 91% of the patients, and there was an overall conception rate of 40.5%. Embolization with hot contrast material was easily performed without spec...

journal_title：Radiology

authors： Smith TP,Hunter DW,Cragg AH,Darcy MD,Castaneda-Zuniga WR,Sinclair TR,Ercole C,Hulbert JC,Kaye KW,Amplatz K

更新日期：1988-07-01 00:00:00

abstract：:Compression ultrasound (US) has become widely used to diagnose acute deep venous thrombosis (DVT). To determine the appearance of veins with previous DVT, 60 legs (58 patients) in which DVT had been diagnosed 6-31 months earlier (mean, 15.1 months) were reexamined with compression US. At reevaluation there was no indi...

journal_title：Radiology

authors： Cronan JJ,Leen V

更新日期：1989-03-01 00:00:00

abstract：:The authors adapted the transport system of a computed tomographic (CT) scanner with continuous rotation capability to examine complete lung subvolumes during a single breath hold. Twenty-four adult patients underwent scanning with up to 12 continuous 1-second rotations, and data acquisition was synchronized with long...

journal_title：Radiology

authors： Vock P,Soucek M,Daepp M,Kalender WA

更新日期：1990-09-01 00:00:00

abstract：:Seventeen children with acute renal failure due to the hemolytic-uremic syndrome were examined with duplex Doppler ultrasound. Serial measurements of intrarenal arterial pulsatility were obtained by means of the Pourcelot index. These were compared with daily urine volume, both during the phase of renal failure (durin...

journal_title：Radiology

authors： Patriquin HB,O'Regan S,Robitaille P,Paltiel H

更新日期：1989-09-01 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：PURPOSE:To perform and assess the effectiveness of local excision of recurrent tumor followed by postoperative pulse dose rate (PDR) brachytherapy. MATERIALS AND METHODS:From 1994 to 2000, 17 patients who had small recurrent breast carcinomas after initially undergoing breast-conserving therapy (BCT), which included p...

journal_title：Radiology

authors： Resch A,Fellner C,Mock U,Handl-Zeller L,Biber E,Seitz W,Pötter R

更新日期：2002-12-01 00:00:00

abstract：PURPOSE:To evaluate a technique to perform fluoroscopically directed thoracic transforaminal epidural injections. MATERIALS AND METHODS:Institutional review board approval and a waiver of consent were obtained for this retrospective HIPAA-compliant study. Findings from 198 consecutively performed foraminal nerve block...

journal_title：Radiology

authors： Rosas HG,Gilula LA

更新日期：2010-02-01 00:00:00

abstract：:To determine the value of high-resolution computed tomography (HRCT) in the diagnosis of diffuse pulmonary diseases, a direct HRCT-pathologic correlative study was performed using four inflated and fixed lungs from autopsy. In normal lungs, the smallest pulmonary artery resolved by HRCT was 200 microns in diameter; th...

journal_title：Radiology

authors： Murata K,Itoh H,Todo G,Kanaoka M,Noma S,Itoh T,Furuta M,Asamoto H,Torizuka K

更新日期：1986-12-01 00:00:00

abstract：PURPOSE:Evaluate effect of prostatic irradiation on erectile function. MATERIALS AND METHODS:Forty-seven male adult rats were divided into three groups according to a single radiation dose to the prostate: control (no irradiation) (n = 15), 1,000 cGy (n = 15), and 2,000 cGy (n = 17). Five months after irradiation, rat...

journal_title：Radiology

authors： Carrier S,Hricak H,Lee SS,Baba K,Morgan DM,Nunes L,Ross GY,Phillips TL,Lue TF

更新日期：1995-04-01 00:00:00

abstract：:Fifty cadaver ankles were examined with ankle tenography. The normal tenographic appearance of the peroneus longus and brevis, posterior tibial, flexor digitorum longus, flexor hallucis longus, anterior tibialis, extensor hallucis longus, and extensor digitorum longus tendons and sheaths are described and illustrated ...

journal_title：Radiology

authors： Teng MM,Destouet JM,Gilula LA,Resnick D,Hembree JL,Oloff LM

更新日期：1984-06-01 00:00:00

abstract：:Purpose To determine if the combination of high cerebral blood flow (CBF) and O6-methylguanine DNA methyltransferase (MGMT) promoter methylation is associated with benefit from a second round of low-dose temozolomide (TMZ) (ie, rechallenge) in patients with glioblastoma at first recurrence. Materials and Methods The i...

journal_title：Radiology

authors： Kim C,Kim HS,Shim WH,Choi CG,Kim SJ,Kim JH

更新日期：2017-01-01 00:00:00

abstract：:Alterations in gastric physiology caused by selective embolization and vasopressin infusion of the left gastric artery were evaluated in 29 dogs. Gastric acidity was not significantly altered following Gelfoam embolization but decreased sharply with vasopressin infusion. These results suggest that the segmental occlus...

journal_title：Radiology

authors： Chuang VP,Reuter SR,Cho KJ,Schmidt RW

更新日期：1976-09-01 00:00:00

abstract：PURPOSE:To evaluate the relative benefits and cost-effectiveness of treating iliac arterial occlusive disease with various interventions. MATERIALS AND METHODS:Cost-effectiveness was analyzed in a hypothetical cohort of patients with intermittent claudication caused by an iliac arterial stenosis. Primary stent placeme...

journal_title：Radiology

authors： Bosch JL,Tetteroo E,Mali WP,Hunink MG

更新日期：1998-09-01 00:00:00

abstract：:Fifty-one pediatric patients who were suspected of having central nervous system (CNS) tumors underwent magnetic resonance (MR) imaging using a 0.35 T Diasonics MT/S system. Pulse intervals (TR) ranged from 0.5 to 2.0 seconds with echo delays (TE) of 28 and 56 msec. The ability of MR and contrast-enhanced CT to detect...

journal_title：Radiology

authors： Kucharczyk W,Brant-Zawadzki M,Sobel D,Edwards MB,Kelly WM,Norman D,Newton TH

更新日期：1985-04-01 00:00:00

abstract：:A review of 210 chest computed tomographic (CT) examinations demonstrating upper chest masses revealed 16 cases of superior vena caval obstruction (SVCO); 11 of these were clinically occult. Two of the occult cases subsequently became clinically evident. Contrast-enhanced chest CT permits the diagnosis of clinically o...

journal_title：Radiology

authors： Bechtold RE,Wolfman NT,Karstaedt N,Choplin RH

更新日期：1985-11-01 00:00:00

abstract：PURPOSE:To report the prevalence of qualitative radiographic findings for femoroacetabular impingement (FAI) and associations among them and to characterize the inter- and intraobserver variability of these interpretations. MATERIALS AND METHODS:This study is part of an institutional review board-approved population-b...

journal_title：Radiology

authors： Laborie LB,Lehmann TG,Engesæter IØ,Eastwood DM,Engesæter LB,Rosendahl K

更新日期：2011-08-01 00:00:00

abstract：:Fifty-four endoscopically missed colonic polypoid lesions reveal the limitations of colonic endoscopy. Colonoscopy failed to identify 31 of the lesions, whereas 24 lesions were initially missed by proctosigmoidoscopy. One polypoid tumor of the rectosigmoid junction was missed by both. Most undetected lesions ranged fr...

journal_title：Radiology

authors： Miller RE,Lehman G

更新日期：1978-11-01 00:00:00

abstract：:Percutaneous cholecystostomy was performed in 36 patients, of whom 22 patients with acute cholecystitis had decompression of the gallbladder and 14 patients with common duct obstruction had biliary decompression through the gallbladder. In almost all cases of acute cholecystitis, percutaneous cholecystostomy quickly c...

journal_title：Radiology

authors： Pearse DM,Hawkins IF Jr,Shaver R,Vogel S

更新日期：1984-08-01 00:00:00

abstract：:In an azotemic patient with suspected renal artery stenosis, undiluted gadopentetate dimeglumine was administered in an aortic bolus to provide contrast at digital subtraction angiography of the aorta and renal arteries. The contrast material (5 mmol/mL) was power injected (rate, 15 mL/sec; total dose, 30 mL). Selecti...

journal_title：Radiology

authors： Matchett WJ,McFarland DR,Russell DK,Sailors DM,Moursi MM

更新日期：1996-11-01 00:00:00