Locally advanced squamous cell carcinoma of the head and neck: CT texture and histogram analysis allow independent prediction of overall survival in patients treated with induction chemotherapy.

abstract：PURPOSE:To prospectively investigate steady-state blood volume measurements for early quantitative monitoring of antiangiogenic treatment with ultrasmall superparamagnetic iron oxide (USPIO)-enhanced magnetic resonance (MR) imaging. MATERIALS AND METHODS:The institutional animal care committee approved all experiments...

journal_title：Radiology

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

更新日期：2007-08-01 00:00:00

abstract：PURPOSE:To evaluate the sensitivity and specificity of scintigraphy with technetium 99m white blood cells (WBC) for detection of colonic inflammation in children with and children without inflammatory bowel disease (IBD). MATERIALS AND METHODS:In 215 patients, uptake of 99mTc WBC in 3,440 bowel segments was graded. In...

journal_title：Radiology

authors： Charron M,del Rosario FJ,Kocoshis SA

更新日期：1999-08-01 00:00:00

abstract：:Diatrizoate (76%) contrast agent heated to 100 degrees C was injected into the veins of dogs and one human volunteer for the nonsurgical occlusion of the vessels. Follow-up venograms and histologic examinations, at intervals varying from one day to four weeks later, revealed thrombosis of the injected veins in all ani...

journal_title：Radiology

authors： Rholl KS,Rysavy JA,Vlodaver Z,Cragg AH,Castaneda-Zuniga WR,Amplatz K

更新日期：1982-11-01 00:00:00

abstract：PURPOSE:To quantify tumor perfusion after transcatheter arterial embolization (TAE) with functional computed tomography (CT) and to validate the reproducibility of quantification measurements. MATERIALS AND METHODS:This study was conducted in accordance with an institutional animal care and use committee-approved prot...

journal_title：Radiology

authors： Kan Z,Kobayashi S,Phongkitkarun S,Charnsangavej C

更新日期：2005-10-01 00:00:00

abstract：PURPOSE:To evaluate resonant circuits as markers for magnetic resonance (MR) imaging-guided placement of nitinol stents. MATERIALS AND METHODS:The study was approved by the institutional animal research committee and complied with National Institutes of Health guidelines for care and use of laboratory animals. Resonan...

journal_title：Radiology

authors： Kuehne T,Weiss S,Brinkert F,Weil J,Yilmaz S,Schmitt B,Ewert P,Lange P,Gutberlet M

更新日期：2004-12-01 00:00:00

abstract：:Magnetic resonance (MR) imaging was performed using a 1.5-T magnet on eight immature swine knees with surgically produced vertical and horizontal meniscal tears. Three radiologists, interpreting the images independently, detected all tears. Tears in the middle portion of the meniscus were best seen on sagittal views, ...

journal_title：Radiology

authors： Beltran J,Noto AM,Mosure JC,Bools JC,Zuelzer W,Christoforidis AJ

更新日期：1986-03-01 00:00:00

abstract：PURPOSE:To assess white matter (WM) tract damage in patients with atypical Alzheimer disease (AD), including early-onset AD (EOAD), logopenic variant of primary progressive aphasia (lvPPA), and posterior cortical atrophy (PCA), by using diffusion-tensor magnetic resonance (MR) imaging and to identify similarities and d...

journal_title：Radiology

authors： Caso F,Agosta F,Mattavelli D,Migliaccio R,Canu E,Magnani G,Marcone A,Copetti M,Falautano M,Comi G,Falini A,Filippi M

更新日期：2015-10-01 00:00:00

abstract：PURPOSE:To investigate the diagnostic value of technetium 99m-labeled human serum albumin (HSA) scintigraphy in a group of patients suspected of having protein-losing enteropathy (PLE). MATERIALS AND METHODS:After intravenous injection of 740 MBq of freshly prepared (99m)Tc HSA, serial images of the abdomen were obtai...

journal_title：Radiology

authors： Chiu NT,Lee BF,Hwang SJ,Chang JM,Liu GC,Yu HS

更新日期：2001-04-01 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：:A new type of endovascular prosthesis was inserted in 28 animals and evaluated for several factors, including thrombogenicity, tendency to migrate, critical implant zones, and incorporation into the vascular wall. The new prosthesis is a woven, multifilament structure of stainless steel alloy; its inherent elastic, se...

journal_title：Radiology

authors： Rousseau H,Puel J,Joffre F,Sigwart U,Duboucher C,Imbert C,Knight C,Kropf L,Wallsten H

更新日期：1987-09-01 00:00:00

abstract：:A review was made of 219 transcatheter vessel occlusion procedures performed over a ten-year period for control of hemorrhage, tumor palliation, or blood supply redistribution prior to intra-arterial chemotherapy. Complete angiographic success was obtained in 85% of the procedures, with partial success in 8%; complete...

journal_title：Radiology

authors： Feldman L,Greenfield AJ,Waltman AC,Novelline RA,van Breda A,Luers P,Athanasoulis CA

更新日期：1983-04-01 00:00:00

abstract：:Purpose To determine the level of clinically acceptable reduction in injected fluorine 18 (18F) fluorodeoxyglucose (FDG) dose in time-of-flight (TOF)-positron emission tomography(PET)/magnetic resonance (MR) imaging by using silicon photomultiplier (SiPM) detectors compared with TOF-PET/computed tomography (CT) using ...

journal_title：Radiology

authors： Sekine T,Delso G,Zeimpekis KG,de Galiza Barbosa F,Ter Voert EEGW,Huellner M,Veit-Haibach P

更新日期：2018-01-01 00:00:00

abstract：:An international working group has modified the Atlanta classification for acute pancreatitis to update the terminology and provide simple functional clinical and morphologic classifications. The modifications (a) address the clinical course and severity of disease, (b) divide acute pancreatitis into interstitial edem...

journal_title：Radiology

authors： Thoeni RF

更新日期：2012-03-01 00:00:00

abstract：:The findings at magnetic resonance (MR) imaging in a group of 36 pathologically verified supratentorial gliomas were analyzed and compared with the biopsy diagnoses (a) to determine whether MR imaging could be used to classify astrocytic-series tumors into a three-tiered system of low-grade astrocytoma, anaplastic ast...

journal_title：Radiology

authors： Dean BL,Drayer BP,Bird CR,Flom RA,Hodak JA,Coons SW,Carey RG

更新日期：1990-02-01 00:00:00

abstract：:The potential renal vasodilatory effect of dopamine in improving renal function after arteriography was studied. Sixty patients with preexisting renal insufficiency were prospectively randomized into two groups. Patients in the treated group (n = 30) received an infusion of dopamine for 12 hours starting at the beginn...

journal_title：Radiology

authors： Hans B,Hans SS,Mittal VK,Khan TA,Patel N,Dahn MS

更新日期：1990-09-01 00:00:00

abstract：:HistoryA 63-year-old woman with a history of left mastectomy for breast cancer and partial gastrectomy with Roux-en-Y reconstruction for nonhealing peptic ulcer presented to the emergency department and reported a 1-month history of abdominal distention, fevers, chills, and flu-like symptoms. She was initially suspect...

journal_title：Radiology

authors： Davarpanah AH,Eberhardt LW

更新日期：2020-10-01 00:00:00

abstract：:Digital subtraction angiography (DSA) was used to study the cardiovascular system in more than 400 patients and was specifically compared with conventional angiography of the aorta and renal arteries in 30 patients. For the renal arteries, the overall accuracy of DSA was 71% (50/70). Excluding 11 cases of inadequate v...

journal_title：Radiology

authors： Buonocore E,Meaney TF,Borkowski GP,Pavlicek W,Gallagher J

更新日期：1981-05-01 00:00:00

abstract：:Purpose To compare low- versus high-frequency ultrasonographic (US) elastography for detection of steatohepatitis in rats by using histopathologic findings as the reference standard. Materials and Methods Between March and September 2014, after receiving approval from the institutional animal care committee, 60 male S...

journal_title：Radiology

authors： Kazemirad S,Zhang E,Nguyen BN,Bodson-Clermont P,Destrempes F,Trudel D,Cloutier G,Tang A

更新日期：2017-03-01 00:00:00

abstract：PURPOSE:To assess the cost-effectiveness of noninvasive imaging strategies in patients who have had a transient ischemic attack (TIA) or minor stroke and are suspected of having significant carotid artery stenosis. MATERIALS AND METHODS:From 1997 through 2000, 350 patients were included in a multicenter blinded consec...

journal_title：Radiology

authors： Buskens E,Nederkoorn PJ,Buijs-Van Der Woude T,Mali WP,Kappelle LJ,Eikelboom BC,Van Der Graaf Y,Hunink MG

更新日期：2004-10-01 00:00:00

abstract：:In an effort to minimize distortion and artifacts on magnetic resonance images obtained with electrocardiographic (ECG) gating, the authors tested the use of ECG electrodes and leads made of carbon fiber. These materials caused no image degradation and, because the leads were reinforced with plastic, were less vulnera...

journal_title：Radiology

authors： van Genderingen HR,Sprenger M,de Ridder JW,van Rossum AC

更新日期：1989-06-01 00:00:00

abstract：:Purpose To determine the feasibility of using intraesophageal radiofrequency (RF) hyperthermia to enhance local chemotherapy in a rat model with orthotopic esophageal squamous cancers. Materials and Methods The animal protocol was approved by the institutional animal care and use committee and the institutional review...

journal_title：Radiology

authors： Shi Y,Zhang F,Bai Z,Wang J,Qiu L,Li Y,Meng Y,Valji K,Yang X

更新日期：2017-01-01 00:00:00

abstract：:It appears reasonable to suggest a histological diagnosis of ependymoma when CT shows an isodense tumor expanding the fourth ventricle or lying within its outlets; when the tumor contains small, round calcifications; and when presentation occurs early in life. An isodense mass occurring in the cerebral white matter, c...

journal_title：Radiology

authors： Swartz JD,Zimmerman RA,Bilaniuk LT

更新日期：1982-04-01 00:00:00

abstract：PURPOSE:To prospectively assess the accuracy of unenhanced magnetic resonance (MR) imaging in the detection and localization of labral injuries. MATERIALS AND METHODS:One hundred three patients with clinically suspected shoulder injuries were prospectively examined with unenhanced MR imaging. A combination of gradient...

journal_title：Radiology

authors： Gusmer PB,Potter HG,Schatz JA,Wickiewicz TL,Altchek DW,O'Brien SJ,Warren RF

更新日期：1996-08-01 00:00:00

abstract：:Seventy-five spot compression views of equivocally suspicious lesions detected at routine mammographic examination of 72 women were reviewed in this retrospective study. Sixty-five of the 75 lesions appeared less suspicious on spot compression views, two did not change, and eight appeared more suspicious. Biopsy findi...

journal_title：Radiology

authors： Berkowitz JE,Gatewood OM,Gayler BW

更新日期：1989-05-01 00:00:00

abstract：:Four cases of severe skin reactions to the use of iocetamic acid as a contrast medium are reported. Although the incidence of this type of reaction was relatively small (1.8%), its severity induced the authors to discontinue the use of this medium. ...

journal_title：Radiology

authors： Janower ML,Hannon MA

更新日期：1976-02-01 00:00:00

abstract：:Purpose To determine whether there were gender differences in full professorship after accounting for factors known to influence academic advancement. Materials and Methods Institutional review board approval was obtained for this HIPAA-compliant study, with waiver of informed consent. In this cross-sectional study, t...

journal_title：Radiology

authors： Kapoor N,Blumenthal DM,Smith SE,Ip IK,Khorasani R

更新日期：2017-04-01 00:00:00

abstract：:Corticosteroids and local anesthetics are some of the most commonly administered medications in radiology departments. These medications have marked variability in their formulations, which may increase their adverse event profile for specific procedures. In particular, certain corticosteroid preparations are associat...

journal_title：Radiology

authors： MacMahon PJ,Eustace SJ,Kavanagh EC

更新日期：2009-09-01 00:00:00

abstract：:Radiographic analysis of 33 cases of trisomy 9p (21 familial, 12 nonfamilial) disclosed consistent abnormalities in the hands, feet, and pelvic bones, with one exception (subsequently considered a misdiagnosis). Most of the abnormalities were present only during the period of epiphyseal growth and occurred with simila...

journal_title：Radiology

authors： Schinzel A

更新日期：1979-01-01 00:00:00

abstract：:Magnetic resonance (MR) images in the sagittal plane display the lengths of the parahippocampal gyrus, subiculum, dentate gyrus, hippocampus, fimbria, fornix, hippocampal fissure, choroidal fissure, and temporal horn, and the anatomic relationships of these structures to the surrounding brain. Correlation of these ima...

journal_title：Radiology

authors： Naidich TP,Daniels DL,Haughton VM,Pech P,Williams A,Pojunas K,Palacios E

更新日期：1987-03-01 00:00:00

abstract：PURPOSE:To investigate if magnetic resonance (MR) enteroclysis can be performed routinely and to compare MR enteroclysis findings with those of conventional enteroclysis or surgery. MATERIALS AND METHODS:MR enteroclysis was prospectively performed in 30 patients with symptoms of inflammatory bowel disease or small-bow...

journal_title：Radiology

authors： Umschaden HW,Szolar D,Gasser J,Umschaden M,Haselbach H

更新日期：2000-06-01 00:00:00