A helpful technique for difficult urethral catheterizations in boys for voiding cystourethrography.

abstract：:This paper reviews some of the fundamental technical and diagnostic problems in clinical uroradiology, such as (a) the reason for the obstructive nephrogram; (b) why high-dose urography gives better studies than low-dose; (c) why the Trueta phenomenon has not been demonstrated in man; (d) the case for an intrarenal ar...

journal_title：Radiology

authors： Elkin M

更新日期：1975-08-01 00:00:00

abstract：PURPOSE:To investigate the clinical parameters that are associated with the development of brain edema of hypertensive encephalopathy in patients with preeclampsia-eclampsia. MATERIALS AND METHODS:Twenty-eight patients with preeclampsia-eclampsia and neurologic symptoms underwent magnetic resonance (MR) imaging. Clini...

journal_title：Radiology

authors： Schwartz RB,Feske SK,Polak JF,DeGirolami U,Iaia A,Beckner KM,Bravo SM,Klufas RA,Chai RY,Repke JT

更新日期：2000-11-01 00:00:00

abstract：PURPOSE:To compare a glycosaminoglycan chemical exchange saturation transfer (gagCEST) imaging method, which enables sampling of the water signal as a function of the presaturation offset (z-spectrum) at 13 points in clinically feasible imaging times, with sodium 23 ((23)Na) magnetic resonance (MR) imaging in patients ...

journal_title：Radiology

authors： Schmitt B,Zbýn S,Stelzeneder D,Jellus V,Paul D,Lauer L,Bachert P,Trattnig S

更新日期：2011-07-01 00:00:00

abstract：:Magnetic resonance (MR) images and computed tomograms of 25 patients with head trauma were compared. MR proved to be superior in many ways for demonstrating extracerebral as well as intracerebral traumatic lesions. Isodense subdural hematomas, which present a diagnostic dilemma on CT images were clearly seen on MR, re...

journal_title：Radiology

authors： Han JS,Kaufman B,Alfidi RJ,Yeung HN,Benson JE,Haaga JR,El Yousef SJ,Clampitt ME,Bonstelle CT,Huss R

更新日期：1984-01-01 00:00:00

abstract：PURPOSE:To evaluate whether contrast material-enhanced (CE) fast imaging employing steady-state acquisition (FIESTA) can depict the anterior optic pathways in patients with large suprasellar tumors. MATERIALS AND METHODS:Institutional review board approval was obtained. Twenty-eight patients with large suprasellar tum...

journal_title：Radiology

authors： Watanabe K,Kakeda S,Yamamoto J,Watanabe R,Nishimura J,Ohnari N,Nishizawa S,Korogi Y

更新日期：2012-09-01 00:00:00

abstract：:Sonographic analysis of the sciatic nerve was performed in vitro (anatomic specimen), in vivo (healthy volunteers), and in 16 patients with suspected peripheral sciatic nerve lesions. The ultrasound (US) examinations were performed with standard and high-resolution US equipment with linear-array configuration. The nor...

journal_title：Radiology

authors： Graif M,Seton A,Nerubai J,Horoszowski H,Itzchak Y

更新日期：1991-11-01 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：:Background Comprehensive assessments of the frequency and associated doses from radiologic and nuclear medicine procedures are rarely conducted. The use of these procedures and the population-based radiation dose increased remarkably from 1980 to 2006. Purpose To determine the change in per capita radiation exposure i...

journal_title：Radiology

authors： Mettler FA Jr,Mahesh M,Bhargavan-Chatfield M,Chambers CE,Elee JG,Frush DP,Miller DL,Royal HD,Milano MT,Spelic DC,Ansari AJ,Bolch WE,Guebert GM,Sherrier RH,Smith JM,Vetter RJ

更新日期：2020-05-01 00:00:00

abstract：PURPOSE:To prospectively correlate single- and multisection magnetic resonance (MR) imaging measurements with clinical measurements for assessment of abdominal adipose tissue volumes in healthy (control subjects), overweight, and diabetic overweight preadolescents and adolescents. MATERIALS AND METHODS:The study was a...

journal_title：Radiology

authors： Siegel MJ,Hildebolt CF,Bae KT,Hong C,White NH

更新日期：2007-03-01 00:00:00

abstract：PURPOSE:To differentiate lesion patterns in patients with cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) from those in patients with sporadic subcortical arteriosclerotic encephalopathy (sSAE). MATERIALS AND METHODS:Magnetic resonance (MR; T2-weighted and fluid-att...

journal_title：Radiology

authors： Auer DP,Pütz B,Gössl C,Elbel G,Gasser T,Dichgans M

更新日期：2001-02-01 00:00:00

abstract：PURPOSE:To investigate the incidence and characteristics of cerebellar injury in a cohort of very preterm infants by using the mastoid fontanelle (MF) and posterior fontanelle (PF) approach in addition to routine cranial ultrasonography (US) through the anterior fontanelle (AF), with magnetic resonance (MR) imaging as ...

journal_title：Radiology

authors： Steggerda SJ,Leijser LM,Wiggers-de Bruïne FT,van der Grond J,Walther FJ,van Wezel-Meijler G

更新日期：2009-07-01 00:00:00

abstract：:The clinical, radiologic, and histopathologic features of three cases of clear cell chondrosarcoma are described. On radiographs, this rather benign-appearing tumor resembles a chondroblastoma when it occurs at the end of a long bone, and may occasionally show a calcified matrix. However, it has distinctive tumor cell...

journal_title：Radiology

authors： Kumar R,David R,Cierney G 3rd

更新日期：1985-01-01 00:00:00

abstract：PURPOSE:To evaluate the usefulness of power Doppler ultrasonography (US) with a microbubble contrast agent in assessing the therapeutic response of hepatocellular carcinomas (HCCs) treated with percutaneous radio-frequency (RF) ablation. MATERIALS AND METHODS:Forty patients with 45 nodular HCC lesions 1.0-3.8 cm in di...

journal_title：Radiology

authors： Choi D,Lim HK,Kim SH,Lee WJ,Jang HJ,Lee JY,Paik SW,Koh KC,Lee JH

更新日期：2000-11-01 00:00:00

abstract：:Balloon dilation is a well-described, nonoperative, alternative treatment for postoperative strictures of the colon and rectum. This procedure may not be technically feasible when an occluded lumen prevents passage of a guide wire across the obstruction. The authors describe the use of transrectal ultrasound guidance ...

journal_title：Radiology

authors： Eschelman DJ,Alexander AA,Goldstein SD,Shapiro MJ

更新日期：1993-11-01 00:00:00

abstract：PURPOSE:To evaluate the use of a redundant system in improving quality of care in the trauma setting by examining a subset of our quality assurance program. MATERIALS AND METHODS:Five hundred thirty-one consecutive abdominal and pelvic CT reports obtained in patients with trauma at a level I trauma center from August ...

journal_title：Radiology

authors： Yoon LS,Haims AH,Brink JA,Rabinovici R,Forman HP

更新日期：2002-07-01 00:00:00

abstract：:There are few data in the literature on the abdominal manifestations of sarcoidosis at computed tomography (CT). To determine whether differences in nodal distribution and appearance can be reliably used to distinguish between sarcoidosis and non-Hodgkin lymphoma (NHL), the authors retrospectively reviewed the abdomin...

journal_title：Radiology

authors： Britt AR,Francis IR,Glazer GM,Ellis JH

更新日期：1991-01-01 00:00:00

abstract：:The computed tomography (CT) scans in two groups of patients with Hodgkin disease were reviewed to determine the frequency of thymic enlargement. In 50 CT scans from 50 patients with evidence of thoracic disease on CT scans who were examined for primary staging, the thymus was enlarged in 15 of 50 (30%). Fifty CT scan...

journal_title：Radiology

authors： Heron CW,Husband JE,Williams MP

更新日期：1988-06-01 00:00:00

abstract：:A stereotaxic frame, compatible with digital subtraction angiography, computed tomography, and magnetic resonance imaging, is described along with a set of software programs that run in an independent imaging computer system, as well as in the computers associated with each modality. Plexiglas plates fastened to the s...

journal_title：Radiology

authors： Peters TM,Clark JA,Olivier A,Marchand EP,Mawko G,Dieumegarde M,Muresan LV,Ethier R

更新日期：1986-12-01 00:00:00

abstract：PURPOSE:To retrospectively determine whether blood oxygen level-dependent functional magnetic resonance (MR) imaging can aid prediction of postoperative memory changes in epileptic patients after temporal lobe surgery. MATERIALS AND METHODS:This study was approved by the local ethics committee, and informed consent wa...

journal_title：Radiology

authors： Dupont S,Duron E,Samson S,Denos M,Volle E,Delmaire C,Navarro V,Chiras J,Lehéricy S,Samson Y,Baulac M

更新日期：2010-04-01 00:00:00

abstract：PURPOSE:Quantification of regional cerebral blood flow (rCBF) and volume (rCBV) with dynamic magnetic resonance (MR) imaging. MATERIALS AND METHODS:After bolus administration of a paramagnetic contrast medium, rapid T2*-weighted gradient-echo images of two sections were acquired for the simultaneous creation of concen...

journal_title：Radiology

authors： Rempp KA,Brix G,Wenz F,Becker CR,Gückel F,Lorenz WJ

更新日期：1994-12-01 00:00:00

abstract：:An International Symposium was held in Atlanta in 1992 to present the state of the art of diagnostic evaluation and management of acute pancreatitis and to agree on an acceptable series of clinical definitions for classifying the disease and its complications. The symposium was composed of 40 internationally recognize...

journal_title：Radiology

authors： Balthazar EJ,Freeny PC,vanSonnenberg E

更新日期：1994-11-01 00:00:00

abstract：:Background Dual-energy (DE) CT allows reconstruction of virtual noncontrast (VNC) images from a single-phase contrast agent-enhanced examination, potentially reducing the need for multiphasic CT to characterize renal lesions. However, data regarding diagnostic performance of VNC images for the characterization of rena...

journal_title：Radiology

authors： Meyer M,Nelson RC,Vernuccio F,González F,Farjat AE,Patel BN,Samei E,Henzler T,Schoenberg SO,Marin D

更新日期：2019-05-01 00:00:00

abstract：:A low-attenuation region around the peripheral portal tracts (periportal collar) was noted on 13 of 43 computed tomographic studies obtained in 17 patients who had undergone 20 orthotopic liver transplantations. This region was then correlated with acute liver transplant rejection. The periportal collar as a sign of r...

journal_title：Radiology

authors： Wechsler RJ,Munoz SJ,Needleman L,Kurtz AB,Miller CL,Yang SL,Maddrey WC,Jarrell BE

更新日期：1987-10-01 00:00:00

abstract：PURPOSE:To prospectively compare single- and multisection computed tomographic (CT) perfusion for tumor blood flow determination in an animal model. MATERIALS AND METHODS:All animal protocols and experiments were approved by the institutional animal care and use committee before the study was initiated. R3230 mammary ...

journal_title：Radiology

authors： Hakimé A,Peddi H,Hines-Peralta AU,Wilcox CJ,Kruskal J,Lin S,de Baere T,Raptopoulos VD,Goldberg SN

更新日期：2007-06-01 00:00:00

abstract：PURPOSE:To compare two different three-dimensional (3D) gadolinium-enhanced magnetic resonance (MR) angiographic techniques. MATERIALS AND METHODS:In 26 patients suspected of having renal artery stenosis, results with fast multiphase 3D MR angiography were compared to those with standard 3D MR angiography in 37 patien...

journal_title：Radiology

authors： Schoenberg SO,Bock M,Knopp MV,Essig M,Laub G,Hawighorst H,Zuna I,Kallinowski F,van Kaick G

更新日期：1999-06-01 00:00:00

abstract：:Between January 1981 and June 1990, 36 previously untreated patients with squamous cancer of the base of the tongue were treated with radiation therapy. This therapy consisted of a 5,000-5,400-cGy external beam plus a 2,000-3,000-cGy boost to the base of the tongue with an iridium-192 implant. Necks with negative node...

journal_title：Radiology

authors： Harrison LB,Zelefsky MJ,Sessions RB,Fass DE,Armstrong JG,Pfister DG,Strong EW

更新日期：1992-07-01 00:00:00

abstract：:The chest radiographs and computed tomographic (CT) scans obtained in eight patients with pathologically proved cases of thoracic actinomycosis were independently reviewed by two observers. All patients were alcoholic men aged 42-62 years. Air-space consolidation, seen on the radiograph and CT scan in each case, was p...

journal_title：Radiology

authors： Kwong JS,Müller NL,Godwin JD,Aberle D,Grymaloski MR

更新日期：1992-04-01 00:00:00

abstract：:Purpose To cross-validate T1-weighted oxygen-enhanced (OE) MRI measurements of tumor hypoxia with intrinsic susceptibility MRI measurements and to demonstrate the feasibility of translation of the technique for patients. Materials and Methods Preclinical studies in nine 786-0-R renal cell carcinoma (RCC) xenografts an...

journal_title：Radiology

authors： Little RA,Jamin Y,Boult JKR,Naish JH,Watson Y,Cheung S,Holliday KF,Lu H,McHugh DJ,Irlam J,West CML,Betts GN,Ashton G,Reynolds AR,Maddineni S,Clarke NW,Parker GJM,Waterton JC,Robinson SP,O'Connor JPB

更新日期：2018-09-01 00:00:00

abstract：:Eleven lesions of the brain were analyzed and compared; they had absorption coefficients uniformly at the cerebrospinal fluid (CSF) level following contrast enhancement, and ranged from benign to malignant and solid to cystic. Grossly solid tumors may have absorption coefficients on the CT scan equal to CSF even after...

journal_title：Radiology

authors： Latchaw RE,Gold LH,Moore JS Jr,Payne JT

更新日期：1977-10-01 00:00:00

abstract：:Complications of indwelling ureteral stents were managed percutaneously in 13 patients. These complications consisted of three fractured, three heavily encrusted, and seven migrated stents. While most ureteral stent malfunctions are routinely managed with retrograde techniques, the percutaneous approach allows effecti...

journal_title：Radiology

authors： LeRoy AJ,Williams HJ Jr,Segura JW,Patterson DE,Benson RC Jr

更新日期：1986-01-01 00:00:00