Postnatal development of the central skull base: normal variants.

abstract：PURPOSE:To test three-dimensional (3D), navigator-echo magnetic resonance (MR) coronary angiography in detecting stenoses of the coronary arteries. MATERIALS AND METHODS:Forty-two patients (age range, 50-79 years) underwent MR coronary angiography (1.5 T). A navigator-echo sequence was used. Two or three 15% overlappe...

journal_title：Radiology

authors： Sardanelli F,Molinari G,Zandrino F,Balbi M

更新日期：2000-03-01 00:00:00

abstract：PURPOSE:To assess computed tomography (CT) with iodized oil for depiction of small hepatocellular carcinoma (HCC) before liver transplantation. MATERIALS AND METHODS:Thirty-five consecutive cirrhotic patients underwent CT with iodized oil to determine the presence, number, size, and location of possible nodules. All p...

journal_title：Radiology

authors： Taourel PG,Pageaux GP,Coste V,Fabre JM,Pradel JA,Ramos J,Larrey D,Domergue J,Michel H,Bruel JM

更新日期：1995-11-01 00:00:00

abstract：PURPOSE:To examine whether dynamic contrast material-enhanced (DCE) magnetic resonance (MR) imaging measurement of bone marrow perfusion in acute myeloid leukemia (AML) patients in complete remission (CR) is associated with outcome and survival. MATERIALS AND METHODS:After institutional review board approval and infor...

journal_title：Radiology

authors： Chen BB,Hsu CY,Yu CW,Hou HA,Liu CY,Wei SY,Chou WC,Tien HF,Shih TT

更新日期：2011-03-01 00:00:00

abstract：:Duplex and color Doppler ultrasound (US) are noninvasive techniques capable of providing much information about the condition of blood vessels and flow within them throughout the body. Doppler US provides more than noninvasive angiography. Besides assessment of blood vessel patency and direction of flow, analysis of t...

journal_title：Radiology

authors： Scoutt LM,Zawin ML,Taylor KJ

更新日期：1990-02-01 00:00:00

abstract：PURPOSE:To evaluate the use of magnetic resonance (MR) imaging and computed tomography (CT) for predicting the histologic grade of parosteal osteosarcomas. MATERIALS AND METHODS:Sixty parosteal osteosarcomas were analyzed for tumor size and location, presence of a cleavage plane, intramedullary extension, soft-tissue ...

journal_title：Radiology

authors： Jelinek JS,Murphey MD,Kransdorf MJ,Shmookler BM,Malawer MM,Hur RC

更新日期：1996-12-01 00:00:00

abstract：:The computed tomographic (CT) findings in six patients with periportal tuberculous adenitis were reviewed retrospectively to analyze the main morphologic features of the disease. In all patients, hypodense lymph nodes were observed close to the porta hepatis, with peripheral enhancement seen after administration of co...

journal_title：Radiology

authors： Mathieu D,Ladeb MF,Guigui B,Rousseau M,Vasile N

更新日期：1986-12-01 00:00:00

abstract：:Background Chest CT is used to assess the severity of lung involvement in coronavirus disease 2019 (COVID-19). Purpose To determine the changes in chest CT findings associated with COVID-19 from initial diagnosis until patient recovery. Materials and Methods This retrospective review included patients with real-time p...

journal_title：Radiology

authors： Pan F,Ye T,Sun P,Gui S,Liang B,Li L,Zheng D,Wang J,Hesketh RL,Yang L,Zheng C

更新日期：2020-06-01 00:00:00

abstract：PURPOSE:To evaluate the effectiveness, cost, and cost-effectiveness of using renal mass biopsy to guide treatment decisions for small incidentally detected renal tumors. MATERIALS AND METHODS:A decision-analytic Markov model was developed to estimate life expectancy and lifetime costs for patients with small (< or = 4...

journal_title：Radiology

authors： Pandharipande PV,Gervais DA,Hartman RI,Harisinghani MG,Feldman AS,Mueller PR,Gazelle GS

更新日期：2010-09-01 00:00:00

abstract：:Cystic hepatoblastomas share ultrasonographic characteristics with simple hepatic cysts; however, a distinction can be made by the demonstration of internal septations. The differentiation is important because cystic hepatoblastoma may have malignant potential. The ultrasonographic and scintigraphic findings in five c...

journal_title：Radiology

authors： Miller JH

更新日期：1981-01-01 00:00:00

abstract：PURPOSE:To evaluate the relative benefits and cost-effectiveness of treating iliac arterial occlusive disease with various interventions. MATERIALS AND METHODS:Cost-effectiveness was analyzed in a hypothetical cohort of patients with intermittent claudication caused by an iliac arterial stenosis. Primary stent placeme...

journal_title：Radiology

authors： Bosch JL,Tetteroo E,Mali WP,Hunink MG

更新日期：1998-09-01 00:00:00

abstract：:The sonographic appearances of primary non-Hodgkin lymphoma developing in the porta hepatis in three patients soon after hepatic transplantation were reviewed. The lymphomas appeared as large hypoechoic masses encasing vital portal structures--the hepatic artery and the common bile duct--in all three cases and displac...

journal_title：Radiology

authors： Moody AR,Wilson SR,Greig PD

更新日期：1992-03-01 00:00:00

abstract：:Intraarterial digital subtraction angiography (DSA) was performed in 133 diagnostic arteriographic procedures during a 10-month period. The increased contrast resolution of DSA permitted the use of a dilute (15%) contrast material. A significant reduction in contrast material dose compared with conventional film-scree...

journal_title：Radiology

authors： Kaufman SL,Chang R,Kadir S,Mitchell SE,White RI Jr

更新日期：1984-05-01 00:00:00

abstract：: Online supplemental material is available for this article. ...

journal_title：Radiology

authors： Kandemirli SG,Dogan L,Sarikaya ZT,Kara S,Akinci C,Kaya D,Kaya Y,Yildirim D,Tuzuner F,Yildirim MS,Ozluk E,Gucyetmez B,Karaarslan E,Koyluoglu I,Demirel Kaya HS,Mammadov O,Kisa Ozdemir I,Afsar N,Citci Yalcinkaya B,Rasi

更新日期：2020-10-01 00:00:00

abstract：PURPOSE:To evaluate, by using computer image analysis, the mammographic density patterns of women with germ-line mutations in BRCA1 and BRCA2 genes in comparison with those of women at low risk of developing breast cancer. MATERIALS AND METHODS:Mammograms from 30 carriers of BRCA1 and BRCA2 mutations and from 142 low-...

journal_title：Radiology

authors： Huo Z,Giger ML,Olopade OI,Wolverton DE,Weber BL,Metz CE,Zhong W,Cummings SA

更新日期：2002-11-01 00:00:00

abstract：:This study compared hand-held arterial compression with compression by a mechanical clamp to achieve hemostasis following transfemoral catheterization in 3,255 patients from six different hospitals. The time spent in manual compression of the artery averaged 33.5 minutes compared with 19.9 minutes using the clamp. The...

journal_title：Radiology

authors： Semler HJ

更新日期：1985-01-01 00:00:00

abstract：PURPOSE:To assess the predictive value of a short magnetic resonance (MR) imaging examination, in addition to or instead of radiography, performed in patients with acute knee trauma to identify those who require additional treatment versus those who do not and can be discharged without further follow-up. MATERIALS AND...

journal_title：Radiology

authors： Oei EH,Nikken JJ,Ginai AZ,Krestin GP,Verhaar JA,van Vugt AB,Hunink MG

更新日期：2005-01-01 00:00:00

abstract：:The feasibility of using focused ultrasound for studying structures as small as biliary ducts and correlative radiological and ultrasonic studies of the common and larger hepatic ducts are presented. Patients whose bile ducts were visualized on intravenous or T-tube cholangiography or oral cholecystography underwent r...

journal_title：Radiology

authors： Reid MH

更新日期：1976-01-01 00:00:00

abstract：:High molecular weight antigen (HMWA) is a tumor-associated proteoglycan of human malignant melanoma. I-131 labeled Fab fragments of these specific antibodies were used for preliminary feasibility studies for radioimmunodetection and therapy of human subjects who had inoperable metastatic melanoma. Ten patients receive...

journal_title：Radiology

authors： Larson SM,Carrasquillo JA,McGuffin RW,Krohn KA,Ferens JM,Hill LD,Beaumier PL,Reynolds JC,Hellström KE,Hellström I

更新日期：1985-05-01 00:00:00

abstract：:Renal allografts are subject to many vascular complications. Over a 2-year period, 334 duplex Doppler ultrasonographic (US) examinations were performed in 88 renal allograft recipients. Vascular occlusion on the basis of severe vascular rejection was documented in ten patients (11.4%) for a sensitivity and specificity...

journal_title：Radiology

authors： Taylor KJ,Morse SS,Rigsby CM,Bia M,Schiff M

更新日期：1987-01-01 00:00:00

abstract：PURPOSE:To measure the mean diffusional age-related changes of the brain over the full human life span by using diffusion-weighted spin-echo single-shot echo-planar magnetic resonance (MR) imaging and sequential whole-brain apparent diffusion coefficient (ADC) histogram analysis and, secondarily, to build mathematical ...

journal_title：Radiology

authors： Watanabe M,Sakai O,Ozonoff A,Kussman S,Jara H

更新日期：2013-02-01 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：PURPOSE:To evaluate the potential of xenon ventilation computed tomography (CT) in the quantitative and visual analysis of chronic obstructive pulmonary disease (COPD). MATERIALS AND METHODS:This study was approved by the institutional review board. After informed consent was obtained, 32 patients with COPD underwent ...

journal_title：Radiology

authors： Park EA,Goo JM,Park SJ,Lee HJ,Lee CH,Park CM,Yoo CG,Kim JH

更新日期：2010-09-01 00:00:00

abstract：:Severe peripheral vasoconstriction of the legs due to hypersensitivity to small doses of ergotamine tartrate developed in a patient with migraine headaches. The vasospasm was successfully treated with continuous intra-arterial and intravenous infusion of sodium nitroprusside. The contribution of angiography in the dia...

journal_title：Radiology

authors： O'Dell CW,Davis GB,Johnson AD,Safdi MA,Brant-Zawadzki M,Bookstein JJ

更新日期：1977-07-01 00:00:00

abstract：:A system for computerized processing of video image series was utilized for the real-time digitization of arteriograms. There were 256 x 256 picture elements (pixels) per image with a resolution of 256 gray levels. Temporal changes in x-ray absorption at each pixel as induced by contrast media were computed for the ex...

journal_title：Radiology

authors： Bürsch JH,Hahne HJ,Brennecke R,Grönemeier D,Heintzen PH

更新日期：1981-10-01 00:00:00

abstract：:The findings on images of liposarcomas of the extremities in 48 patients (26 men and 22 women aged 20-85 years) were reviewed to correlate the histologic subtypes with radiologic appearance. Computed tomographic scans were obtained in 36 patients; magnetic resonance (MR) images, in 27 patients. The study group had 19 ...

journal_title：Radiology

authors： Jelinek JS,Kransdorf MJ,Shmookler BM,Aboulafia AJ,Malawer MM

更新日期：1993-02-01 00:00:00

abstract：:In a series of 526 consecutive, unprepared patients examined by ultrasound, the gallbladder was visualized in 507 (96%). The average wall thickness was 2 mm or less in 97% of asymptomatic subjects without cholelithiasis and 3 mm or greater in 45% of those with choletithiasis. Pathologic correlation of increased thickn...

journal_title：Radiology

authors： Finberg HJ,Birnholz JC

更新日期：1979-12-01 00:00:00

abstract：:Transrectal catheter drainage was performed under radiologic guidance in eight patients with deep pelvic abscesses during a 7-month period. One patient underwent two procedures. In five patients, the abscess could not be palpated at rectal examination. Seven procedures were performed with fluoroscopic guidance. Transr...

journal_title：Radiology

authors： Bennett JD,Kozak RI,Taylor BM,Jory TA

更新日期：1992-12-01 00:00:00

abstract：:In his overview of the history and theoretical developments of radiotherapy, the author stresses the following concepts: (a) sensitivity is not linked to histology but to the volume of cancer; (b) the dose must not necessarily be homogeneous in the target volume but related to varying volumes of cancer; (c) the fact t...

journal_title：Radiology

authors： Fletcher GH

更新日期：1978-04-01 00:00:00

abstract：PURPOSE:To evaluate feasibility and added value of dual-energy computed tomography (CT) in diagnosis of pulmonary embolism (PE). MATERIALS AND METHODS:This institutional animal experimental committee-approved study was performed in accordance with animal care guidelines. Eight New Zealand rabbits underwent standard un...

journal_title：Radiology

authors： Zhang LJ,Zhao YE,Wu SY,Yeh BM,Zhou CS,Hu XB,Hu QJ,Lu GM

更新日期：2009-07-01 00:00:00

abstract：:Between 1978 and 1982, 1,200 patients underwent angiography following acute traumatic injury, and arterial injuries were detected in 182 cases (15.2%). Two-thirds of the cases were associated with penetrating trauma; half the injuries occurred in the pelvis or lower extremities. The most common and reliable sign of ar...

journal_title：Radiology

authors： Sclafani SJ,Cooper R,Shaftan GW,Goldstein AS,Glanz S,Gordon DH

更新日期：1986-10-01 00:00:00