The reliability of echocardiography in the diagnosis of infective endocarditis.

abstract：:Phantom and in vitro studies were performed to evaluate the potential application of digital circular tomosynthesis in imaging of the breast and upper cervical spine. A prototype volumetric x-ray system was used to image a mammographic phantom, a fresh mastectomy specimen, and a head phantom containing the upper cervi...

journal_title：Radiology

authors： Stevens GM,Birdwell RL,Beaulieu CF,Ikeda DM,Pelc NJ

更新日期：2003-08-01 00:00:00

abstract：PURPOSE:To determine if percutaneously applied radio frequency (RF) combined with percutaneous ethanol instillation (PEI) can increase the extent of ablation in rat breast tumors. MATERIALS AND METHODS:R3230 mammary adenocarcinoma was implanted bilaterally in the mammary fat pads of 18 female rats. The tumor nodules m...

journal_title：Radiology

authors： Goldberg SN,Kruskal JB,Oliver BS,Clouse ME,Gazelle GS

更新日期：2000-12-01 00:00:00

abstract：:Clonogenic cell survival of in situ 9L brain tumors was measured in air-breathing rats and rats killed with nitrogen. Animals were irradiated with BEVALAC accelerated carbon ions in the plateau and spread-out Bragg peak regions of the specific ionization curve. The relative biological effectiveness (RBE) for carbon io...

journal_title：Radiology

authors： Wheeler KT,Deen DF,Leith JT,Norton KL

更新日期：1979-12-01 00:00:00

abstract：PURPOSE:To determine whether systematically evaluated criteria for probably benign lesions were actually applied to lesions placed into that category. MATERIALS AND METHODS:A search of the mammography database yielded 295 cases that were initially followed up with short-term interval mammography but eventually receive...

journal_title：Radiology

authors： Rosen EL,Baker JA,Soo MS

更新日期：2002-04-01 00:00:00

abstract：PURPOSE:To develop a method to assess volumetric cortical bone porosity in clinically practical acquisition times by measuring the signal decay at only two echo times (TEs) as part of a single three-dimensional ultrashort TE (UTE) magnetic resonance (MR) examination. MATERIALS AND METHODS:The study was approved by the...

journal_title：Radiology

authors： Rajapakse CS,Bashoor-Zadeh M,Li C,Sun W,Wright AC,Wehrli FW

更新日期：2015-08-01 00:00:00

abstract：:Stress thallium-201 and resting dual intracoronary particulate imaging were evaluated in 120 patients who underwent coronary angiography. Forty of 42 patients without significant coronary disease had normal stress images and 41 had normal rest studies. Eighty-three stress perfusion defects were identified in 61 of 78 ...

journal_title：Radiology

authors： Kolibash AJ,Call TD,Tetalman MR,Bush CA,Scheu J

更新日期：1980-05-01 00:00:00

abstract：PURPOSE:To determine the role of ultrasonography (US) with supplemental computed tomography (CT) in patients with primary hyperparathyroidism who undergo minimally invasive surgery instead of conventional neck exploration. MATERIALS AND METHODS:US and CT were performed in 61 consecutive patients with primary hyperpara...

journal_title：Radiology

authors： van Dalen A,Smit CP,van Vroonhoven TJ,Burger H,de Lange EE

更新日期：2001-09-01 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：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：:Multi-detector row computed tomography was performed for the preharvest evaluation of 14 potential living liver donors. Both a biliary contrast agent and a conventional iodinated contrast agent were administered intravenously. This protocol included acquisition of three subsequent scans and allowed accurate assessment...

journal_title：Radiology

authors： Schroeder T,Nadalin S,Stattaus J,Debatin JF,Malagó M,Ruehm SG

更新日期：2002-08-01 00:00:00

abstract：PURPOSE:To assess the usefulness of sonography performed by radiologists after a review of the sonographer's findings. MATERIALS AND METHODS:A total of 398 sonograms were obtained in 392 patients. Sonographers presented preliminary images and impressions to radiologists, who performed additional imaging and recorded t...

journal_title：Radiology

authors： Tessler FN,Tublin ME,Peters JC,Jie T,Peters TL

更新日期：1996-05-01 00:00:00

abstract：PURPOSE:To examine the efficacy of transperineal sonographically guided drainage of deep pelvic abscesses. MATERIALS AND METHODS:Twelve drainage procedures were performed in 11 adults with symptoms of infection and cross-sectional images demonstrating a deep pelvic abscess. Eight patients had recently undergone abdomi...

journal_title：Radiology

authors： Sperling DC,Needleman L,Eschelman DJ,Hovsepian DM,Lev-Toaff AS

更新日期：1998-07-01 00:00:00

abstract：:Ultrasound-guided compression repair (UGCR) of catheterization-related femoral artery injuries was evaluated as a possible new imaging-guided interventional procedure. Thirty-nine femoral artery injuries (35 pseudoaneurysms, four arteriovenous fistulas) were detected with color Doppler flow imaging in patients with en...

journal_title：Radiology

authors： Fellmeth BD,Roberts AC,Bookstein JJ,Freischlag JA,Forsythe JR,Buckner NK,Hye RJ

更新日期：1991-03-01 00:00:00

abstract：:The sonographic appearance in 4 cases of primary carcinoma of the gallbladder is correlated with the surgical and pathological findings. A fungating tumor had the greatest chance of resection, with findings dependent on the location and size of the mass. Infiltrating lesions were highly malignant. In less advanced cas...

journal_title：Radiology

authors： Yum HY,Fink AH

更新日期：1980-03-01 00:00:00

abstract：PURPOSE:To compare the diagnostic yield of abdominal radiography with that of computed tomography (CT) in adult patients presenting to the emergency department with nontraumatic abdominal pain. MATERIALS AND METHODS:Records of 1,000 consecutive patients presenting to the emergency department with acute abdominal pain ...

journal_title：Radiology

authors： Ahn SH,Mayo-Smith WW,Murphy BL,Reinert SE,Cronan JJ

更新日期：2002-10-01 00:00:00

abstract：:The authors reviewed the accuracy of stereotaxic fine-needle aspiration cytology in prediction of the presence of cancer. Seventy-four nonpalpable breast cancers and 144 benign lesions were studied. The rate of obtaining an inadequate sample was 8.1% for cancers and 20.8% for benign lesions. None of the cytology repor...

journal_title：Radiology

authors： Ciatto S,Rosselli Del Turco M,Bravetti P

更新日期：1989-10-01 00:00:00

abstract：:We report success with CT guided percutaneous catheter drainage of deep neck abscesses. The cost efficacy and decreased morbidity of percutaneous catheter drainage has been proved in abdominal and retroperitoneal abscess management, and CT for diagnosis of deep neck infections is well established. The logical applicat...

journal_title：Radiology

authors： Cole DR,Bankoff M,Carter BL

更新日期：1984-07-01 00:00:00

abstract：PURPOSE:To evaluate the dimensions of specific white matter tracts in the brainstems (region of brain thought to be least affected) of children with holoprosencephaly by using diffusion tensor magnetic resonance (MR) imaging and to correlate these abnormalities with forebrain malformation severity and neurologic defici...

journal_title：Radiology

authors： Albayram S,Melhem ER,Mori S,Zinreich SJ,Barkovich AJ,Kinsman SL

更新日期：2002-06-01 00:00:00

abstract：:The most serious and frequent complication of intracranial arteriovenous malformations (AVMs) is intracranial hemorrhage. Identification of patients at greatest risk for intracranial bleeding would be beneficial. Detailed analysis of vascular architecture was performed in 65 patients with intracranial AVMs to identify...

journal_title：Radiology

authors： Marks MP,Lane B,Steinberg GK,Chang PJ

更新日期：1990-09-01 00:00:00

abstract：PURPOSE:To determine if T2 relaxation time measurements with magnetic resonance (MR) imaging in patients with Graves ophthalmopathy (GO) can predict response to therapy. MATERIALS AND METHODS:Studied were 84 patients with GO, 27 with Graves disease without ophthalmopathy (GD), and 12 control subjects without Graves di...

journal_title：Radiology

authors： Ohnishi T,Noguchi S,Murakami N,Tajiri J,Harao M,Kawamoto H,Hoshi H,Jinnouchi S,Futami S,Nagamachi S

更新日期：1994-03-01 00:00:00

abstract：:To assess objectively the sensitivity and specificity of low-field-strength (0.064 T) magnetic resonance (MR) imaging, a prospective blind study of 280 examinations was performed to compare low-field-strength MR imaging with computed tomography (CT) and with high-field-strength (1.5-T) MR imaging of the cranium. The s...

journal_title：Radiology

authors： Orrison WW Jr,Stimac GK,Stevens EA,LaMasters DL,Espinosa MC,Cobb L,Mettler FA Jr

更新日期：1991-10-01 00:00:00

abstract：:Two patients with cystic fibrosis and pancreatic cystosis are described who had complete replacement of the pancreas by multiple macroscopic cysts. The possible causes and clinical significance of this condition are discussed. ...

journal_title：Radiology

authors： Hernanz-Schulman M,Teele RL,Perez-Atayde A,Zollars L,Levine J,Black P,Kuligowska E

更新日期：1986-03-01 00:00:00

abstract：:The idiopathic interstitial pneumonias (IIPs) are a seemingly disconnected collection of diseases usually associated with the presence of pulmonary fibrosis. Categorization of the IIPs continues to be problematic despite recent attempts to refine the diagnostic criteria and suggests that rather than separate diseases,...

journal_title：Radiology

authors： Galvin JR,Frazier AA,Franks TJ

更新日期：2010-06-01 00:00:00

abstract：:The authors report two cases of coexistent pneumomediastinum and diabetic ketoacidosis. One patient had pneumothorax as well. Hyperpnea or vomiting, or a combination of the two, may be the etiologic agent in such cases. The prognosis is excellent and there is prompt regression of the pneumomediastinum following correc...

journal_title：Radiology

authors： Toomey FB,Chinnock RF

更新日期：1975-09-01 00:00:00

abstract：PURPOSE:To demonstrate the variety and recurrence patterns of severe arterial and venous thromboembolic events that occur in patients with the antiphospholipid syndrome. MATERIALS AND METHODS:Radiology records were reviewed in 800 of 1,633 patients with positive test results of antiphospholipid syndrome. Patients with...

journal_title：Radiology

authors： Insko EK,Haskal ZJ

更新日期：1997-02-01 00:00:00

abstract：PURPOSE:To prospectively quantify tumor response or progression in patients with lung cancer by using thin-section computed tomography (CT) and a semiautomated algorithm to calculate tumor volume and other parameter values. MATERIALS AND METHODS:This HIPAA-compliant study was institutional review board approved; infor...

journal_title：Radiology

authors： Zhao B,Schwartz LH,Moskowitz CS,Ginsberg MS,Rizvi NA,Kris MG

更新日期：2006-12-01 00:00:00

abstract：PURPOSE:To prospectively use compact avalanche photodiodes instead of photomultiplier tubes to integrate a positron emission tomographic (PET) detector and a 7-T magnetic resonance (MR) imager. MATERIALS AND METHODS:All animal experiments were performed in accordance with the University of Tübingen guidelines and the ...

journal_title：Radiology

authors： Judenhofer MS,Catana C,Swann BK,Siegel SB,Jung WI,Nutt RE,Cherry SR,Claussen CD,Pichler BJ

更新日期：2007-09-01 00:00:00

abstract：:Twenty-seven patients presented with painful acute scrotal swelling. After a clinical impression was established, all patients underwent diagnostic imaging with color Doppler ultrasound (US). Seven patients underwent surgical exploration for testicular torsion diagnosed with color Doppler US (100% operative confirmati...

journal_title：Radiology

authors： Lerner RM,Mevorach RA,Hulbert WC,Rabinowitz R

更新日期：1990-08-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the diagnostic performance of magnetic resonance (MR) spectroscopy in patients with suspicious lesions or biopsy-proved cancers at MR imaging by using histologic findings as the reference standard. MATERIALS AND METHODS:After institutional review board approval and informed consent we...

journal_title：Radiology

authors： Bartella L,Morris EA,Dershaw DD,Liberman L,Thakur SB,Moskowitz C,Guido J,Huang W

更新日期：2006-06-01 00:00:00

abstract：:To analyze the effectiveness and accuracy of the diagnostic process from screening mammography to final diagnosis at pathologic examination, the authors conducted a prospective study of 277 consecutive patients who underwent 291 mammographically directed biopsies of nonpalpable lesions. Of the 170 lesions that demonst...

journal_title：Radiology

authors： Stein MA,Karlan MS

更新日期：1991-04-01 00:00:00