Radiation therapy of microgliomas.

abstract：PURPOSE:To evaluate multi- and single-detector row computed tomographic (CT) depiction of anatomic landmarks of temporal bone. MATERIALS AND METHODS:Institutional review board approval and written informed consent were obtained. In 50 temporal bones, transverse and coronal single-detector row CT images were compared w...

journal_title：Radiology

authors： Jäger L,Bonell H,Liebl M,Srivastav S,Arbusow V,Hempel M,Reiser M

更新日期：2005-04-01 00:00:00

abstract：:The safety of small-caliber firearms in a 1.5-T magnetic resonance (MR) imaging environment was assessed with six handguns, which were unloaded before testing. Each firearm was withdrawn barrel-first to assess the interaction of the magnetic field with the hammer and/or trigger. Two of the six weapons discharged repro...

journal_title：Radiology

authors： Kanal E,Shaibani A

更新日期：1994-12-01 00:00:00

abstract：PURPOSE:To determine the effects of calculus size, composition, and technique (kilovolt and milliampere settings) on the conspicuity of renal calculi at unenhanced helical computed tomography (CT). MATERIALS AND METHODS:The authors performed unenhanced CT of a phantom containing 188 renal calculi of varying size and c...

journal_title：Radiology

authors： Tublin ME,Murphy ME,Delong DM,Tessler FN,Kliewer MA

更新日期：2002-10-01 00:00:00

abstract：:A total of 24,560 fetal biparietal measurements were made using the B-scan technique. The increase in biparietal diameter was compared in normal pregnancies, in those complicated by diabetes or toxemia, and in fetuses thought to be small for dates. Only the last of these groups demonstrated a statistically significant...

journal_title：Radiology

authors： Aantaa K,Forss M

更新日期：1980-10-01 00:00:00

abstract：:There is an increasing opportunity to perform multifunctional imaging at a variety of organ sites with relatively short examination times. Each technique yields quantitative parameters that reflect specific aspects of the underlying tumor or tissue biology. Many biomarkers have emerged that provide unique information ...

journal_title：Radiology

authors： Padhani AR,Miles KA

更新日期：2010-08-01 00:00:00

abstract：:To investigate spatial resolution requirements for digitized portal images in radiation therapy, observer performance tests were performed. One hundred twenty portal images were digitized with sampling frequencies of 0.700, 0.350, and 0.175 mm for observation. Receiver operating characteristic analysis was used to det...

journal_title：Radiology

authors： Okajima K,Nagata Y,Mitsumori M,Ishigaki T,Kimura I,Nakano Y,Minato K,Komori M,Sato K,Takahashi T

更新日期：1992-05-01 00:00:00

abstract：:The inflammatory effects of fallopian tube catheterization and selective injection of seven contrast agents (ethiodized oil, diatrizoate meglumine 52%, diatrizoate meglumine 66%, iothalamate meglumine 60%, iopamidol, ioxitol, and ioxaglate) were evaluated in 88 rabbits. The contrast agent used was randomly selected an...

journal_title：Radiology

authors： Thurmond AS,Hedgpeth PL,Scanlan RM

更新日期：1991-07-01 00:00:00

abstract：PURPOSE:To review clinical, pathologic, and computed tomographic (CT) findings in patients with hepatocellular carcinoma (HCC) in noncirrhotic liver. MATERIALS AND METHODS:Clinical, pathologic, and imaging findings were retrospectively evaluated in 39 patients with HCC in noncirrhotic liver. Helical multiphasic CT sca...

journal_title：Radiology

authors： Brancatelli G,Federle MP,Grazioli L,Carr BI

更新日期：2002-01-01 00:00:00

abstract：PURPOSE:To evaluate the cochlear modiolus with thin-section magnetic resonance (MR) imaging in healthy subjects and patients with a large endolymphatic duct and sac, and to assess whether the cochlea is normal or abnormal in patients with a large endolymphatic duct and sac. MATERIALS AND METHODS:MR images were obtaine...

journal_title：Radiology

authors： Naganawa S,Ito T,Iwayama E,Fukatsu H,Ishigaki T,Nakashima T,Ichinose N

更新日期：1999-12-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the relative accuracy of computed tomography (CT) and magnetic resonance (MR) imaging in the staging of colorectal carcinoma. MATERIALS AND METHODS:CT and MR studies were independently interpreted in a group of 478 patients with colorectal carcinoma in a study conducted from 1989 to 1...

journal_title：Radiology

authors： Zerhouni EA,Rutter C,Hamilton SR,Balfe DM,Megibow AJ,Francis IR,Moss AA,Heiken JP,Tempany CM,Aisen AM,Weinreb JC,Gatsonis C,McNeil BJ

更新日期：1996-08-01 00:00:00

abstract：PURPOSE:To assess magnetic resonance (MR) imaging of the right atrium by measuring volumes of right atrial casts and determining right atrial volume cycles in healthy subjects. MATERIALS AND METHODS:Fourteen human cadaveric atrial casts were imaged and right atrial volumes of eight subjects were measured with cardiac-...

journal_title：Radiology

authors： Järvinen VM,Kupari MM,Hekali PE,Poutanen VP

更新日期：1994-04-01 00:00:00

abstract：:The efficacy of stereotaxic localization for fine-needle aspiration biopsy in the detection of recurrent cancer manifested as calcifications on mammograms was evaluated in 43 patients that had been treated with local resection and radiation therapy. Six patients had malignant aspirates and one had an atypical aspirate...

journal_title：Radiology

authors： Mitnick JS,Vazquez MF,Roses DF,Harris MN,Schechter S

更新日期：1992-01-01 00:00:00

abstract：:Purpose To examine whether cardiac chemical exchange saturation transfer (CEST) imaging can be serially and noninvasively used to probe cell survival or rejection after intramyocardial implantation in mice. Materials and Methods Experiments were compliant with the National Institutes of Health Guidelines on the Use of...

journal_title：Radiology

authors： Pumphrey AL,Ye S,Yang Z,Simkin J,Gensel JC,Abdel-Latif A,Vandsburger MH

更新日期：2017-01-01 00:00:00

abstract：:The classical abnormalities of von Recklinghausen disease (VRD) or neurofibromatosis are well recognized. However, vertebral scalloping and gauge defects of the anterior and lateral aspects have not been reviewed, to the authors' knowledge. Case reports of 3 patients with vertebral scalloping are presented. The classi...

journal_title：Radiology

authors： Casselman ES,Mandell GA

更新日期：1979-04-01 00:00:00

abstract：:Twelve cases of fibrous ureteral polyps are presented, illustrating their characteristic radiographic appearances. Two types--a long pedunculated mobile variety having a smooth surface, and a relatively shorter lesion covered with thin, finger-like projections--may be identified. Demonstration of the typical findings ...

journal_title：Radiology

authors： Banner MP,Pollack HM

更新日期：1979-01-01 00:00:00

abstract：PURPOSE:To examine radiologists' screening performance in relation to the number of diagnostic work-ups performed after abnormal findings are discovered at screening mammography by the same radiologist or by different radiologists. MATERIALS AND METHODS:In an institutional review board-approved HIPAA-compliant study, ...

journal_title：Radiology

authors： Buist DS,Anderson ML,Smith RA,Carney PA,Miglioretti DL,Monsees BS,Sickles EA,Taplin SH,Geller BM,Yankaskas BC,Onega TL

更新日期：2014-11-01 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：PURPOSE:To evaluate differences in the structural connectome among patients with normal cognition (NC), mild cognitive impairment (MCI), and Alzheimer disease (AD) and to determine associations between the structural connectome and cortical amyloid deposition. MATERIALS AND METHODS:Patients enrolled in a multicenter b...

journal_title：Radiology

authors： Prescott JW,Guidon A,Doraiswamy PM,Roy Choudhury K,Liu C,Petrella JR,Alzheimer’s Disease Neuroimaging Initiative.

更新日期：2014-10-01 00:00:00

abstract：:Transrectal sonography of the normal prostate demonstrates a gland that has low-level homogeneous echoes. Benign and malignant prostatic disease causes disruption of this normal texture. A prospective study was performed to determine the ability of ultrasound to detect focal defects accurately. The specific histologic...

journal_title：Radiology

authors： Rifkin MD,Kurtz AB,Choi HY,Goldberg BB

更新日期：1983-10-01 00:00:00

abstract：PURPOSE:To study white matter (WM) changes in patients with Unverricht-Lundborg progressive myoclonus epilepsy (EPM1) caused by mutations in the cystatin B gene and in the cystatin B-deficient (Cstb-/-) mouse model and to validate imaging findings with histopathologic analysis of mice. MATERIALS AND METHODS:Informed c...

journal_title：Radiology

authors： Manninen O,Koskenkorva P,Lehtimäki KK,Hyppönen J,Könönen M,Laitinen T,Kalimo H,Kopra O,Kälviäinen R,Gröhn O,Lehesjoki AE,Vanninen R

更新日期：2013-10-01 00:00:00

abstract：:Portable sustained graded traction for control of the displaced cervical spine particularly for patients undergoing tomography or gas myelography, is described. ...

journal_title：Radiology

authors： Deeb ZL,Drayer BP,Rosenbaum AE

更新日期：1977-12-01 00:00:00

abstract：:The purpose of this study was to develop an automated scheme to facilitate detection of localized ground-glass opacity (GGO) in the lung at computed tomography (CT). Institutional review board approval and informed consent were not required. Two radiologists reviewed CT images from 14 patients (five men, nine women) w...

journal_title：Radiology

authors： Kim KG,Goo JM,Kim JH,Lee HJ,Min BG,Bae KT,Im JG

更新日期：2005-11-01 00:00:00

abstract：PURPOSE:To evaluate the indications for and complications, accuracy, and techniques of percutaneous adrenal biopsy performed from 1982 through 1991 at the authors' institution. MATERIALS AND METHODS:Two hundred seventy-seven percutaneous adrenal biopsies were performed in 270 patients (175 male and 102 female patients...

journal_title：Radiology

authors： Welch TJ,Sheedy PF 2nd,Stephens DH,Johnson CM,Swensen SJ

更新日期：1994-11-01 00:00:00

abstract：:Detection of pulmonary nodules using spin-echo magnetic resonance (MR) imaging was compared with detection using computed tomography (CT). Of the 25 patients studied independently by two radiologists, no lung nodules were detected in 11 (CT or MR), ten had a single nodule, and four had multiple nodules. The lesions no...

journal_title：Radiology

authors： Müller NL,Gamsu G,Webb WR

更新日期：1985-06-01 00:00:00

abstract：:Rod-shaped reflectors such as those used in the AIUM test object resonate at medical ultrasound frequencies, producing artifacts posterior to the reflector. Rods of various diameters and materials were examined to determine their resonant properties, and the effect of the Plexiglas scanning surface of the enclosure on...

journal_title：Radiology

authors： Hefner LV,Goldstein A

更新日期：1981-04-01 00:00:00

abstract：:Positron emission tomography (PET) with fluorine-18 fluoro-2-deoxy-D-glucose (FDG) was performed in 19 patients referred for clinical evaluation of soft-tissue masses. These patients had 20 different lesions and had been evaluated previously with computed tomography (CT) and/or magnetic resonance (MR) imaging. The dia...

journal_title：Radiology

authors： Griffeth LK,Dehdashti F,McGuire AH,McGuire DJ,Perry DJ,Moerlein SM,Siegel BA

更新日期：1992-01-01 00:00:00

abstract：:Doppler sonography and magnetic resonance (MR) angiography were prospectively used in combination as a substitute for conventional angiography in 24 consecutive patients likely to undergo carotid endarterectomy. Of 19 patients (20 lesions) who underwent carotid endarterectomy, 18 had not undergone preoperative angiogr...

journal_title：Radiology

authors： Polak JF,Kalina P,Donaldson MC,O'Leary DH,Whittemore AD,Mannick JA

更新日期：1993-02-01 00:00:00

abstract：:The radiological features of absence of a pulmonary artery are often characteristic enough to allow a diagnosis based on the plain radiograph. They include a small hemithorax, ipsilateral displacement of the mediastinum, absence of the corresponding pulmonary artery, and reticular parenchymal densities, generally attr...

journal_title：Radiology

authors： Kleinman PK

更新日期：1979-08-01 00:00:00

abstract：:Bladder tumors initially may be diagnosed by excretory urography in patients undergoing the examination because of specific symptoms or unrelated complaints. Among seven strategies tested by six experienced readers, the combination of early, full-bladder, and postvoiding anteroposterior radiographs was most successful...

journal_title：Radiology

authors： Hillman BJ,Silvert M,Cook G,Stanisic T,Bjelland J,Claypool HR,Haber K,Mellins HZ

更新日期：1981-02-01 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