Calculation of T2 values versus phase imaging for the distinction between flow and thrombus in MR imaging.

abstract：:A patient with jaundice caused by obstruction of the biliary ducts by cysts in a polycystic liver is presented. Decompression of the liver cysts under ultrasound guidance resulted in a rapid decrease of the serum bilirubin level. ...

journal_title：Radiology

authors： Ergün H,Wolf BH,Hissong SL

更新日期：1980-08-01 00:00:00

abstract：:This retrospective study of 144 patients was made to (a) assess the potential of magnetic resonance (MR) for demonstrating lymph nodes using spin-echo technique, (b) compare the MR results with those of CT, and (c) determine the optimal pulse-sequence interval (TR) and echo-delay time (TE) for imaging lymph nodes. The...

journal_title：Radiology

authors： Dooms GC,Hricak H,Crooks LE,Higgins CB

更新日期：1984-12-01 00:00:00

abstract：PURPOSE:To determine the accuracy of multidetector computed tomography (CT) in the detection of surgically important blunt bowel and/or mesenteric injury, to identify and describe the most reliable CT features of bowel and/or mesenteric injury, and to evaluate the performance of readers with different levels of experti...

journal_title：Radiology

authors： Atri M,Hanson JM,Grinblat L,Brofman N,Chughtai T,Tomlinson G

更新日期：2008-11-01 00:00:00

abstract：:The ridge pattern of the external ear was evaluated in 50 normal subjects during the second half of pregnancy. Definition was found to progress with gestational age, with a fully defined pattern implying maturity beyond 33 weeks. The external ear was edematous in patients with severe fetal hydrops. Anomalous shape or ...

journal_title：Radiology

authors： Birnholz JC

更新日期：1983-06-01 00:00:00

abstract：:Sports-related muscle pain is frequent in both trained and untrained persons; however, its severity and significance may be difficult to assess clinically. The authors used magnetic resonance (MR) imaging to evaluate acute strains and delayed-onset muscle soreness in sedentary subjects and postmarathon myalgia in trai...

journal_title：Radiology

authors： Fleckenstein JL,Weatherall PT,Parkey RW,Payne JA,Peshock RM

更新日期：1989-09-01 00:00:00

abstract：PURPOSE:To evaluate the prognostic value of volumetric computed tomography (CT) for therapy control in patients treated with repeated transarterial chemoembolization (TACE) for hepatocellular carcinoma (HCC). MATERIALS AND METHODS:Eighty-five patients with histologically proved HCC underwent 182 TACE procedures with 5...

journal_title：Radiology

authors： Vogl TJ,Trapp M,Schroeder H,Mack M,Schuster A,Schmitt J,Neuhaus P,Felix R

更新日期：2000-02-01 00:00:00

abstract：:The authors perform intravenous digital angiography of the abdomen with the patient in a prone position. As a result, gas is reduced in the transverse colon and small bowel and vascular detail in the image is not obscured. ...

journal_title：Radiology

authors： Seigel RS,Williams AG

更新日期：1983-07-01 00:00:00

abstract：:There is some confusion regarding the indications for and methodology of the use of contrast material in cranial computed tomography. Some authors recommend a nonenhanced scan in all cases, followed by an enhanced scan if indicated by the symptoms or the appearance of the unenhanced scan. Others have questioned the va...

journal_title：Radiology

authors： Latchaw RE,Gold LH,Tourje EJ

更新日期：1978-03-01 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 develop a three-dimensional (3D) segmentation and computerized volumetry technique for use in the assessment of neurofibromatosis and to assess the ability of this technique to aid in the calculation of tumor burden in patients with neurofibromatosis types 1 and 2 (NF1 and NF2, respectively) and schwannomato...

journal_title：Radiology

authors： Cai W,Kassarjian A,Bredella MA,Harris GJ,Yoshida H,Mautner VF,Wenzel R,Plotkin SR

更新日期：2009-03-01 00:00:00

abstract：PURPOSE:To evaluate the potential utility of a number of parameters obtained at T2-weighted, diffusion-weighted, and dynamic contrast material-enhanced multiparametric magnetic resonance (MR) imaging for computer-aided diagnosis (CAD) of prostate cancer and assessment of cancer aggressiveness. MATERIALS AND METHODS:In...

journal_title：Radiology

authors： Peng Y,Jiang Y,Yang C,Brown JB,Antic T,Sethi I,Schmid-Tannwald C,Giger ML,Eggener SE,Oto A

更新日期：2013-06-01 00:00:00

abstract：PURPOSE:To investigate how changes in kilovolt peak and milliampere second settings, and patient weight affect transmitted x-ray energy fluence and the image contrast-to-noise ratio (CNR) at abdominal computed tomography (CT). MATERIALS AND METHODS:Cylinders of water were used as patient models, and x-ray spectra, inc...

journal_title：Radiology

authors： Huda W,Scalzetti EM,Levin G

更新日期：2000-11-01 00:00:00

abstract：PURPOSE:To evaluate the degeneration of the ipsilateral substantia nigra after striatal infarction by using magnetic resonance (MR) imaging. MATERIALS AND METHODS:Twenty-five adult patients with embolic cerebral infarction of the middle cerebral artery distribution underwent MR imaging 0-4, 5-9, 12-15, and 27-29 days ...

journal_title：Radiology

authors： Ogawa T,Okudera T,Inugami A,Noguchi K,Kado H,Yoshida Y,Uemura K

更新日期：1997-09-01 00:00:00

abstract：:Air in the pancreas--nearly always related to an abscess or a pancreatic fistula--is rarely demonstrated. Over a 3-year period, the authors detected air in the main pancreatic duct with ultrasonography (US) in 11 patients. The ductal caliber was normal in five patients and dilated in six. At US, air in the main pancre...

journal_title：Radiology

authors： Costa PL,Righetti G

更新日期：1991-12-01 00:00:00

abstract：PURPOSE:To assess feasibility and reliability of electrocardiographic (ECG)-gated cardiac magnetic resonance (MR) imaging with a simplified reusable electrode design that does not touch the skin. MATERIALS AND METHODS:In this institutional review board-approved, HIPAA-compliant study, a silicon positioner held four EC...

journal_title：Radiology

authors： Thimmappa ND,Cooper MA,Nguyen TD,Dutruel SP,Kawaji K,Weinsaft JW

更新日期：2016-02-01 00:00:00

abstract：PURPOSE:To compare the association between neurodevelopmental outcome in neonates with hypoxic-ischemic encephalopathy following perinatal asphyxia and (a) apparent diffusion coefficients (ADCs) in the thalamus and basal ganglia at diffusion-weighted (DW) magnetic resonance (MR) imaging and (b) hydrogen 1 (¹H) MR spect...

journal_title：Radiology

authors： Alderliesten T,de Vries LS,Benders MJ,Koopman C,Groenendaal F

更新日期：2011-10-01 00:00:00

abstract：PURPOSE:To assess the accuracy of three-dimensional, Fourier transform, time-of-flight magnetic resonance (MR) angiography in the detection of intracranial steno-occlusive diseases. MATERIALS AND METHODS:One hundred thirty-one patients (62 male and 69 female patients, aged 6-77 years [mean, 53 years 8 months]) underwe...

journal_title：Radiology

authors： Korogi Y,Takahashi M,Mabuchi N,Miki H,Shiga H,Watabe T,O'Uchi T,Nakagawa T,Horikawa Y,Fujiwara S

更新日期：1994-10-01 00:00:00

abstract：:The authors evaluated the relative importance of the following scanning parameters at computed tomographic bronchoscopy in an anesthetized adult sheep's thorax: section thickness (2, 4, 8 mm), pitch (1.0, 1.5, 2.0), milliampere setting (100, 175, 250 mA), and overlap of reconstructed sections (0%, 25%, 50%, 75%). Five...

journal_title：Radiology

authors： Hopper KD,Iyriboz TA,Mahraj RP,Wise SW,Kasales CJ,TenHave TR,Wilson RP,Weaver JS

更新日期：1998-12-01 00:00:00

abstract：PURPOSE:To demonstrate coronary sinus-left atrium connections and evaluate coronary sinus function and anatomy in detail by using multidetector computed tomography (CT). MATERIALS AND METHODS:In this institutional review board-approved retrospective study, the authors evaluated coronary CT angiograms obtained in 65 pa...

journal_title：Radiology

authors： Saremi F,Thonar B,Sarlaty T,Shmayevich I,Malik S,Smith CW,Krishnan S,Sánchez-Quintana D,Narula N

更新日期：2011-09-01 00:00:00

abstract：:It has recently been suggested that the resistive index (RI) in native kidneys of healthy children is age dependent; however, this relationship has not been completely defined or explained. In 110 kidneys in 71 healthy children aged newborn to 11 years, RIs were determined from peripheral sites (presumed to be arcuate...

journal_title：Radiology

authors： Bude RO,DiPietro MA,Platt JF,Rubin JM,Miesowicz S,Lundquist C

更新日期：1992-08-01 00:00:00

abstract：PURPOSE:To retrospectively analyze radiation dose data for six common venous access procedures. MATERIALS AND METHODS:Institutional review board approval was obtained for this HIPAA-compliant study; informed consent was not required. Data review was limited to a quality assurance database. Patient medical records were...

journal_title：Radiology

authors： Storm ES,Miller DL,Hoover LJ,Georgia JD,Bivens T

更新日期：2006-03-01 00:00:00

abstract：:Sensitivity and specificity of first screen mammography in a randomized screening trial at five centers are reported. A total of 23,101 women underwent mammography; in 139, breast cancer was detected at first screening; in 20, less than 12 months after first screening; and in 47, at second screening. All 206 cancer ca...

journal_title：Radiology

authors： Baines CJ,Miller AB,Wall C,McFarlane DV,Simor IS,Jong R,Shapiro BJ,Audet L,Petitclerc M,Ouimet-Oliva D

更新日期：1986-08-01 00:00:00

abstract：:The radiation dose and the anatomic detail of computed tomography (CT) and conventional tomography were studied in 18 patients with suspected acoustic neuroma, cholesteatoma, malignant tumor, and temporal bone fracture. It is concluded that CT is the technique of choice in patients suspected of having acoustic neuroma...

journal_title：Radiology

authors： Shaffer KA,Haughton VM,Wilson CR

更新日期：1980-02-01 00:00:00

abstract：PURPOSE:To determine the efficacy and tolerance of ultrasonography (US)-guided percutaneous radiofrequency (RF) ablation with endocrine therapy in elderly patients with breast cancer who decline or are not candidates for surgery. MATERIALS AND METHODS:Internal ethics committee approval was obtained, and patients gave ...

journal_title：Radiology

authors： Palussière J,Henriques C,Mauriac L,Asad-Syed M,Valentin F,Brouste V,Mathoulin-Pélissier S,Tunon de Lara C,Debled M

更新日期：2012-08-01 00:00:00

abstract：PURPOSE:To evaluate clinically suspected Morton neuroma with contrast material-enhanced magnetic resonance (MR) images. MATERIALS AND METHODS:Fifteen patients with clinically suspected Morton neuroma underwent examination with conventional T1- and T2-weighted MR imaging and a combination of fat suppression and adminis...

journal_title：Radiology

authors： Terk MR,Kwong PK,Suthar M,Horvath BC,Colletti PM

更新日期：1993-10-01 00:00:00

abstract：:Purpose To characterize intratumoral spatial heterogeneity at perfusion magnetic resonance (MR) imaging and investigate intratumoral heterogeneity as a predictor of recurrence-free survival (RFS) in breast cancer. Materials and Methods In this retrospective study, a discovery cohort (n = 60) and a multicenter validati...

journal_title：Radiology

authors： Wu J,Cao G,Sun X,Lee J,Rubin DL,Napel S,Kurian AW,Daniel BL,Li R

更新日期：2018-07-01 00:00:00

abstract：:Purpose To determine if the allergic-like breakthrough reaction rate of intravenous corticosteroid prophylaxis administered 5 hours before contrast material-enhanced computed tomography (CT) is noninferior to that of a traditional 13-hour oral regimen. Materials and Methods Institutional review board approval was obta...

journal_title：Radiology

authors： Mervak BM,Cohan RH,Ellis JH,Khalatbari S,Davenport MS

更新日期：2017-11-01 00:00:00

abstract：:Parathyroid scintigraphy using a double-tracer (T1-201, Tc-99m) subtraction technique depicted 17 of 23 (74%) parathyroid adenomas in patients with and without previous neck operations. High-resolution (10-MHz) ultrasound (US) depicted 18 (78%) of these adenomas. Average tumor size depicted by US was 17 X 10 X 8 mm (e...

journal_title：Radiology

authors： Gooding GA,Okerlund MD,Stark DD,Clark OH

更新日期：1986-10-01 00:00:00

abstract：PURPOSE:To determine whether magnetic resonance (MR) imaging quantification of cervical spinal cord damage improves the prediction of motor recovery after spinal cord injury. MATERIALS AND METHODS:The extent of cervical spinal cord injury was measured on MR images obtained in 104 patients (aged 17-70 years) within 72 ...

journal_title：Radiology

authors： Flanders AE,Spettell CM,Tartaglino LM,Friedman DP,Herbison GJ

更新日期：1996-12-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the efficacy of additional radiofrequency (RF) ablation by comparing the results of one and two sessions. MATERIALS AND METHODS:All patients gave written informed consent to participate in this institutional review board-approved prospective study. From September 2007 to February 2008...

journal_title：Radiology

authors： Huh JY,Baek JH,Choi H,Kim JK,Lee JH

更新日期：2012-06-01 00:00:00