Cranial computed tomography in the baboon: normal anatomy.

abstract：:Treatment of complex intracranial aneurysms by means of interventional neurovascular techniques is now being performed with a newly developed silicone detachable-microballoon device. The balloon is composed of unique silicone elastomers that are extremely soft and malleable. It therefore conforms to the blood vessel l...

journal_title：Radiology

authors： Higashida RT,Halback VV,Dormandy B,Bell JD,Hieshima GB

更新日期：1990-03-01 00:00:00

abstract：PURPOSE:To estimate the radiation dose from whole-body fluorine 18 ((18)F)-fluorodeoxyglucose (FDG) positron emission tomographic (PET)/computed tomographic (CT) studies and to evaluate the induced cancer risk to U.S. and Hong Kong populations. MATERIALS AND METHODS:Fluorine 18-FDG PET/CT studies obtained by using a 6...

journal_title：Radiology

authors： Huang B,Law MW,Khong PL

更新日期：2009-04-01 00:00:00

abstract：:High-frequency (10-MHz) sonography demonstrated a cervical mass or lymphadenopathy, or both, during postoperative follow-up of 52 patients who had undergone surgery for thyroid cancer. Percutaneous biopsy with ultrasonographic (US) guidance was performed in all 52 masses, 44 of which were nonpalpable. Malignant cells ...

journal_title：Radiology

authors： Sutton RT,Reading CC,Charboneau JW,James EM,Grant CS,Hay ID

更新日期：1988-09-01 00:00:00

abstract：:Eleven cases of superior mesenteric artery embolization are presented. The extent of bowel necrosis was found to be related to two major factors: the site of occlusion and the elapsed time between the onset of symptoms and definitive therapy. Angiography, available on an emergency basis, provides a definitive diagnosi...

journal_title：Radiology

authors： Kaufman SL,Harrington DP,Siegelman SS

更新日期：1977-09-01 00:00:00

abstract：:Seven patients who had spinal interspace infections underwent clinical, laboratory, and radiographic examinations, and findings are reported. Lytic fragmentation of adjacent vertebral bodies is a characteristic appearance on CT scans. Sagittal-coronal reformations confirm the end-plate irregularity and establish the d...

journal_title：Radiology

authors： Price AC,Allen JH,Eggers FM,Shaff MI,James AE Jr

更新日期：1983-12-01 00:00:00

abstract：:Ten of 152 (7%) consecutive breast cancer patients who underwent excisional biopsy and radiation therapy developed suspect microcalcifications at the biopsy site. All ten patients underwent reexcision. Seventeen other patients developed scattered, coarse, benign macrocalcifications that have remained stable as determi...

journal_title：Radiology

authors： Rebner M,Pennes DR,Adler DD,Helvie MA,Lichter AS

更新日期：1989-03-01 00:00:00

abstract：:The postnatal outcome of nine patients with the prenatal diagnosis of fetal hydronephrosis is reported. In only three of the nine cases was true obstructive hydronephrosis demonstrated, and in only one of these cases (11%) the patient might have benefited from decompressive surgery at the time of diagnosis of the abno...

journal_title：Radiology

authors： Blane CE,Koff SA,Bowerman RA,Barr M Jr

更新日期：1983-04-01 00:00:00

abstract：:Seventeen bilateral upper extremity lymphangiograms were obtained in patients with lymphoma referred for radiation therapy. The projection of the opacified axillary nodes is analyzed when using the mantle technique in various positions. The position of the lymph nodes varies considerably in the supine and prone positi...

journal_title：Radiology

authors： Weisenburger TH,Juillard GJ

更新日期：1977-01-01 00:00:00

abstract：PURPOSE:To summarize the overall diagnostic performance of magnetic resonance (MR) angiography in the evaluation of peripheral arteriosclerotic occlusive disease and to identify the most important sources of variation in diagnostic accuracy between studies. MATERIALS AND METHODS:A search strategy in MEDLINE and citati...

journal_title：Radiology

authors： Nelemans PJ,Leiner T,de Vet HC,van Engelshoven JM

更新日期：2000-10-01 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：: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：: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：:The evolution of Paget disease characterized both by expansion and subsequent contraction of the long bones of the ipsilateral upper extremity over a 10-year period is described. ...

journal_title：Radiology

authors： Lander PH,Hadjipavlou AG

更新日期：1986-05-01 00:00:00

abstract：PURPOSE:To determine the ability to use computed tomography (CT) to predict invasion of adjacent nerves or vessels by oral cavity tumors. MATERIALS AND METHODS:Contrast material-enhanced CT scans and histopathologic reports were retrospectively reviewed in 48 patients (36 men, 12 women) aged 38-75 years who underwent ...

journal_title：Radiology

authors： Mukherji SK,Weeks SM,Castillo M,Yankaskas BC,Krishnan LA,Schiro S

更新日期：1996-01-01 00:00:00

abstract：PURPOSE:To determine if there is a subset of patients undergoing surgical biopsy for diffuse lung disease in whom accurate diagnosis can be made with computed tomography (CT) only. MATERIALS AND METHODS:Two chest radiologists retrospectively reviewed the CT scans of 85 patients in whom surgical biopsy for diffuse lung...

journal_title：Radiology

authors： Swensen SJ,Aughenbaugh GL,Myers JL

更新日期：1997-10-01 00:00:00

abstract：PURPOSE:To investigate the feasibility of breast tissue characterization in terms of water, lipid, and protein contents with a spectral computed tomographic (CT) system based on a cadmium zinc telluride (CZT) photon-counting detector by using postmortem breasts. MATERIALS AND METHODS:Nineteen pairs of postmortem breas...

journal_title：Radiology

authors： Ding H,Klopfer MJ,Ducote JL,Masaki F,Molloi S

更新日期：2014-09-01 00:00:00

abstract：:Magnetic resonance line scan diffusion imaging of the brain, with diffusion weighting between 5 and 5,000 sec/mm(2), was performed in healthy subjects and patients with a 1.5-T machine. For each voxel, biexponential signal decay fits produced two apparent diffusion constants and respective signal amplitudes. Images ba...

journal_title：Radiology

authors： Maier SE,Bogner P,Bajzik G,Mamata H,Mamata Y,Repa I,Jolesz FA,Mulkern RV

更新日期：2001-06-01 00:00:00

abstract：PURPOSE:To quantify inter- and intrascanner conformity in computed tomographic (CT) densitometry of the lungs. MATERIALS AND METHODS:With six scanners from four manufacturers, a lung densitometry protocol with several variations was applied for performance comparison. Phantoms included water, air, and a humanoid thora...

journal_title：Radiology

authors： Kemerink GJ,Lamers RJ,Thelissen GR,van Engelshoven JM

更新日期：1995-12-01 00:00:00

abstract：:Knowledge of the timing and course of neonatal intracranial hemorrhage is essential in determining the etiology of hemorrhage, since the key to preventing neurologic damage in newborns is to define preventable causes and to treat the complications of hemorrhage. In an intensive study of 49 neonates delivered less than...

journal_title：Radiology

authors： Rumack CM,Manco-Johnson ML,Manco-Johnson MJ,Koops BL,Hathaway WE,Appareti K

更新日期：1985-01-01 00:00:00

abstract：:All screening radiographs of the chest and other medical records of 107 patients with histologically proved lung cancer in a fixed population were reviewed to assess the efficacy of biennial chest radiography in detecting lung cancer. Radiographic abnormalities caused by tumors were initially detected in 58 patients (...

journal_title：Radiology

authors： Hayabuchi N,Russell WJ,Murakami J,Nishitani H

更新日期：1983-08-01 00:00:00

abstract：:To determine the clinical and mammographic features of recurrent breast cancer after tumorectomy and radiation therapy, the authors reviewed the clinical history and serial mammograms of 48 patients with suspected recurrence. Of patients with recurrent disease, seven had positive mammograms alone, nine had positive fi...

journal_title：Radiology

authors： Hassell PR,Olivotto IA,Mueller HA,Kingston GW,Basco VE

更新日期：1990-09-01 00:00:00

abstract：PURPOSE:To compare the stress experienced by women who had false-positive screening mammograms and had undergone immediate on-site diagnostic imaging evaluation with that experienced by those who had been recalled for subsequent imaging. MATERIALS AND METHODS:A retrospective survey was mailed to women with false-posit...

journal_title：Radiology

authors： Lindfors KK,O'Connor J,Parker RA

更新日期：2001-01-01 00:00:00

abstract：PURPOSE:To assess syringe use among neuroangiographers and evaluate air emboli produced with glass and plastic syringes. MATERIALS AND METHODS:Questionnaires on syringes use were sent to 100 members of the American Society of Neuroradiology (ASNR). An in vitro system counted emboli during injections of contrast materi...

journal_title：Radiology

authors： Ginsberg LE,Stump DA,King JC,Deal DD,Moody DM

更新日期：1994-06-01 00:00:00

abstract：PURPOSE:To prospectively assess the depiction rate and morphologic features of myocardial bridging (MB) of coronary arteries with 64-section computed tomographic (CT) coronary angiography in comparison to conventional coronary angiography. MATERIALS AND METHODS:Patients were simultaneously enrolled in a prospective st...

journal_title：Radiology

authors： Leschka S,Koepfli P,Husmann L,Plass A,Vachenauer R,Gaemperli O,Schepis T,Genoni M,Marincek B,Eberli FR,Kaufmann PA,Alkadhi H

更新日期：2008-03-01 00:00:00

abstract：PURPOSE:To investigate magnetic resonance (MR) imaging guidance of interstitial laser photocoagulation to treat primary breast cancer. MATERIALS AND METHODS:Twenty female patients with symptomatic breast cancers diagnosed at cytologic examination underwent interstitial laser photocoagulation by means of a single fiber...

journal_title：Radiology

authors： Mumtaz H,Hall-Craggs MA,Wotherspoon A,Paley M,Buonaccorsi G,Amin Z,Wilkinson I,Kissin MW,Davidson TI,Taylor I,Bown SG

更新日期：1996-09-01 00:00:00

abstract：:The chest films in 30 proved cases of Pneumocystis carinii pneumonia were reviewed to determine the incidence of atypical radiographic findings. Seventeen of 30 patients or 56% presented at least one atypical radiographic finding during the course of the disease. Unilateral distribution, lobar involvement, abscess for...

journal_title：Radiology

authors： Doppman JL,Geelhoed GW,De Vita VT

更新日期：1975-01-01 00:00:00

abstract：:A percutaneously inserted biliary drainage catheter was converted from external to internal drainage with the use of an additional catheter advanced through the gastrostomy opening. This technique was successful in one patient with unresectable cancer of the head of the pancreas, in whom it was performed to overcome t...

journal_title：Radiology

authors： Morita S,Matsumoto S,Soejima T,Odani R,Yokota T

更新日期：1988-04-01 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 evaluate the diagnostic performance of contrast material-enhanced magnetic resonance (MR) angiography for preoperative detection and localization of accessory pudendal arteries (APAs) in patients with prostate cancer. MATERIALS AND METHODS:This prospective study was approved by the institutional review boar...

journal_title：Radiology

authors： Whang SY,Sung DJ,Lee SA,Park BJ,Kim MJ,Cho SB,Kim YH,Cheon J

更新日期：2012-03-01 00:00:00

abstract：:Midline activity low in the pelvis seen on Ga-67 scans is frequently attributed to colonic excretion of radionuclide. We have seen two cases of infectious prostatitis with focal uptake of Ga-67 within the prostate gland. We describe a technique of using limited quantities of barium administered by enema and appropriat...

journal_title：Radiology

authors： Sullivan WT,Rosen PR,Weiland FL,Ritchey ML

更新日期：1984-08-01 00:00:00