Motion in cardiovascular MR imaging.

abstract：:Renal allograft accumulation of Tc-99m sulfur colloid (TSC) was studied using visual assessment of scintigraphic displays and a quantitative temporal model in 210 examinations of 56 transplant recipients. The quantitative temporal model related the immediate pool of the radioagent in the transplant to the fixed allogr...

journal_title：Radiology

authors： George EA,Meyerovitz M,Codd JE,Fletcher JW,Donati RM

更新日期：1983-08-01 00:00:00

abstract：:History A 13-year-old girl presented for evaluation and further management of spastic diplegia cerebral palsy. Absence of the corpus callosum was noted at screening prenatal head ultrasonography. She was born at full term via spontaneous vaginal delivery. Physical examination revealed decreased axial muscle tone and i...

journal_title：Radiology

authors： Yahyavi-Firouz-Abadi N,Poretti A,Idowu OR,Hoon AH Jr,Huisman TA,Izbudak I

更新日期：2016-12-01 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：:The effects of increasing single selective doses of prostaglandin E1 (PGE1) on superior mesenteric arterial flow and portal and systemic blood pressures were studied in dogs to assess its value as a vasodilatory agent for pharmacoangiography. PGE1 consistently increased blood flow, with an average increase of 187%, bu...

journal_title：Radiology

authors： Cho KJ,Chuang VP,Reuter SR

更新日期：1975-07-01 00:00:00

abstract：:The small digital computer is becoming ever more powerful, reliable, and inexpensive. Diagnostic radiology and the computer are becoming more intertwined. During the past decade, computed tomography (CT) has achieved outstanding success. CT and other digital image systems that are capable of computer manipulation, sto...

journal_title：Radiology

authors： Barnhard HJ,Lane GB

更新日期：1982-11-01 00:00:00

abstract：:Although infrequent, esophageal rupture is a serious complication of pneumatic dilatation for the treatment of achalasia. Because of an experience with delayed recognition of esophageal perforation in a patient with achalasia, we now examine the esophagus using a water-soluble contrast medium immediately following eve...

journal_title：Radiology

authors： Stewart ET,Miller WN,Hogan WJ,Dodds WJ

更新日期：1979-03-01 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：:Eight patients with liver disease and seriously abnormal blood coagulation underwent biopsy of the liver performed through a percutaneously introduced sheath, followed by embolization of the biopsy track with steel coils. In all cases the biopsy procedure produced profuse bleeding through the sheath. However, the blee...

journal_title：Radiology

authors： Allison DJ,Adam A

更新日期：1988-10-01 00:00:00

abstract：:Agent Orange exposure and its long-term health consequences on Vietnam veterans have been widely discussed in the past few years. Myriad physical and mental disabilities have been studied with regard to exposure to various herbicides. The number of persons potentially exposed is large, since 2.4-2.8 million U.S. milit...

journal_title：Radiology

authors： Pollei S,Mettler FA Jr,Kelsey CA,Walters MR,White RE

更新日期：1986-10-01 00:00:00

abstract：PURPOSE:To examine the cost and efficacy of diagnostic work-up in patients with invasive cervical cancer. MATERIALS AND METHODS:In 246 patients with invasive cervical cancer, all diagnostic tests performed before treatment were recorded. Patients were divided into two groups: those who underwent magnetic resonance (MR...

journal_title：Radiology

authors： Hricak H,Powell CB,Yu KK,Washington E,Subak LL,Stern JL,Cisternas MG,Arenson RL

更新日期：1996-02-01 00:00:00

abstract：PURPOSE:To determine the effect of the interpretation of plain chest radiographs on the time to definitive diagnosis of aortic dissection. MATERIALS AND METHODS:The authors evaluated chest radiographs from 75 patients in whom chest radiography was performed before aortic dissection was diagnosed. The radiographs and a...

journal_title：Radiology

authors： Luker GD,Glazer HS,Eagar G,Gutierrez FR,Sagel SS

更新日期：1994-12-01 00:00:00

abstract：:The authors report a case of a hepatic artery aneurysm that simulated a mass in the head of the pancreas. The correct diagnosis was made preoperatively based on several findings: curvilinear calcification within the mass on CT, a well-defined cystic collection on ultrasound, absence of biliary duct dilatation or jaund...

journal_title：Radiology

authors： Gavin PM,Matalon TA,Petasnick JP,Roseman DL

更新日期：1984-09-01 00:00:00

abstract：PURPOSE:To evaluate radiologists' performance for determining a distinction between benign and malignant pulmonary nodules on chest radiographs without and with use of a computer-aided diagnosis scheme. MATERIALS AND METHODS:Fifty-three chest radiographs that depicted 31 primary lung cancers and 22 benign nodules were...

journal_title：Radiology

authors： Shiraishi J,Abe H,Engelmann R,Aoyama M,MacMahon H,Doi K

更新日期：2003-05-01 00:00:00

abstract：PURPOSE:To assess the relationship between heart valve history and susceptibility artifacts at magnetic resonance (MR) imaging of the brain in patients with Björk-Shiley convexoconcave (BSCC) valves. MATERIALS AND METHODS:MR images of the brain were obtained in 58 patients with prosthetic heart valves: 20 patients had...

journal_title：Radiology

authors： van Gorp MJ,van der Graaf Y,de Mol BA,Bakker CJ,Witkamp TD,Ramos LM,Mali WP

更新日期：2004-03-01 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 quantify regional ejection fraction (EF) in patients with myocardial infarction (MI) by using merged late gadolinium enhancement (LGE) and cine magnetic resonance (MR) imaging, and compare this method with the standardized 17-segment American Heart Association approach. MATERIALS AND METHODS:After instituti...

journal_title：Radiology

authors： Masci PG,Dymarkowski S,Rademakers FE,Bogaert J

更新日期：2009-01-01 00:00:00

abstract：:Background Radiomics extracts features from medical images more precisely and more accurately than visual assessment. However, radiomics features are affected by CT scanner parameters such as reconstruction kernel or section thickness, thus obscuring underlying biologically important texture features. Purpose To inves...

journal_title：Radiology

authors： Orlhac F,Frouin F,Nioche C,Ayache N,Buvat I

更新日期：2019-04-01 00:00:00

abstract：:Preliminary work has shown that normal lungs have predictable CT patterns and density ranges. In emphysema, there are irregular zones of extremely low density as well as an overall low mean density. CT appears to have considerable potential for early detection of pulmonary emphysema and characterization of the degree ...

journal_title：Radiology

authors： Rosenblum LJ,Mauceri RA,Wellenstein DE,Bassano DA,Cohen WN,Heitzman ER

更新日期：1978-11-01 00:00:00

abstract：PURPOSE:To use Prospective Investigation of Pulmonary Embolism Diagnosis (PIOPED) II data to retrospectively determine sensitivity and specificity of ventilation-perfusion (V/Q) scintigraphic studies categorized as pulmonary embolism (PE) present or PE absent and the proportion of patients for whom these categories app...

journal_title：Radiology

authors： Sostman HD,Stein PD,Gottschalk A,Matta F,Hull R,Goodman L

更新日期：2008-03-01 00:00:00

abstract：PURPOSE:To retrospectively compare the diagnostic yield and complications associated with the use of short versus long needle paths for computed tomography (CT)-guided biopsy of small subpleural lung lesions. MATERIALS AND METHODS:The study was approved by the institutional review board, and the requirement for inform...

journal_title：Radiology

authors： Gupta S,Krishnamurthy S,Broemeling LD,Morello FA Jr,Wallace MJ,Ahrar K,Madoff DC,Murthy R,Hicks ME

更新日期：2005-02-01 00:00:00

abstract：:Alendronate sodium, an aminobiphosphonate used primarily to treat osteoporosis in postmenopausal women, is known to cause esophagitis. A 71-year-old woman experienced severe, acute esophagitis and severe stricture of the esophagus due to oral alendronate therapy. Unlike in previous cases, she had taken alendronate for...

journal_title：Radiology

authors： Ryan JM,Kelsey P,Ryan BM,Mueller PR

更新日期：1998-02-01 00:00:00

abstract：PURPOSE:To compare retrospectively the incremental value of indirect computed tomographic (CT) venography performed after multi-detector row CT pulmonary angiography and single-detector row CT pulmonary angiography for the diagnosis of venous thromboembolism (VTE). MATERIALS AND METHODS:The institutional ethics commit...

journal_title：Radiology

authors： Ghaye B,Nchimi A,Noukoua CT,Dondelinger RF

更新日期：2006-07-01 00:00:00

abstract：:Hirschprung disease is usually diagnosed in infancy. Occasionally patients reach adulthood without diagnosis or treatment. Four cases of adult Hirschprung disease are described. The principal radiographic findings are a markedly dilated, feces-filled colon above the zone of transition; a narrowed rectum; a cone- or fu...

journal_title：Radiology

authors： Mindelzun RE,Hicks SM

更新日期：1986-09-01 00:00:00

abstract：:Nineteen patients with unequivocal angiographic evidence of unilateral or bilateral posterior cerebral artery occulsion were scanned during the acute phase of the stroke. In 12 of them an abnormal accumulation of radioactivity was apparent on the posterior view, but only 2 also exhibited abnormal uptake on the corresp...

journal_title：Radiology

authors： Elinsiedel-Lechtape H,Lechtape-Grüter R

更新日期：1977-05-01 00:00:00

abstract：:A variation in ossification of the acromial process of the scapula is described. Postmortem radiographs, obtained in 78 infants who died of sudden infant death syndrome, showed an ossific opacity adjacent to the acromial process in 10 infants (13%). This finding was noted bilaterally in six patients and unilaterally i...

journal_title：Radiology

authors： Kleinman PK,Spevak MR

更新日期：1991-07-01 00:00:00

abstract：PURPOSE:To evaluate the effect of preprocedural prediction of the best tube angle obliquity for visualization of the uterine artery origin by using three-dimensional (3D)-reconstructed contrast material-enhanced magnetic resonance (MR) angiography on the radiation dose, fluoroscopy time, and contrast medium volume duri...

journal_title：Radiology

authors： Naguib NN,Nour-Eldin NE,Lehnert T,Hammerstingl RM,Korkusuz H,Eichler K,Zangos S,Vogl TJ

更新日期：2009-06-01 00:00:00

abstract：PURPOSE:To assess the reproducibility of the magnetic resonance (MR) estimate of blood oxygen saturation (sO(2)) in the rat brain, to evaluate the relationship between low MR estimate of sO(2) values and tissue hypoxia in a hypoxic and necrotic glioscarcoma model (9L gliosarcoma cells), and to evaluate the capability o...

journal_title：Radiology

authors： Lemasson B,Christen T,Serduc R,Maisin C,Bouchet A,Le Duc G,Rémy C,Barbier EL

更新日期：2012-12-01 00:00:00

abstract：:A patent umbilical vein was demonstrated via ultrasound in a patient with portal hypertension. Ultrasonographic differential diagnosis of intra- and juxta-hepatic veins is given, with emphasis on real time ultrasonography. ...

journal_title：Radiology

authors： Weill F

更新日期：1976-07-01 00:00:00

abstract：:The authors reviewed 55 failed total condylar knee replacements, correlating the radiographic and surgical findings at removal or revision. Failure was due to infection in 20 cases, mechanical loosening in 18, instability without loosening in 10, malalignment without loosening in 4, a supracondylar fracture in 2, and ...

journal_title：Radiology

authors： Schneider R,Abenavoli AM,Soudry M,Insall J

更新日期：1984-08-01 00:00:00

abstract：PURPOSE:To evaluate the effectiveness of noninvasive magnetic resonance (MR) imaging-guided focused ultrasonographic (US) ablation of breast carcinomas. MATERIALS AND METHODS:Before undergoing tumor resection, 12 patients with invasive breast carcinomas were treated with MR imaging-guided focused US ablation consistin...

journal_title：Radiology

authors： Gianfelice D,Khiat A,Amara M,Belblidia A,Boulanger Y

更新日期：2003-06-01 00:00:00