Contrast-enhanced MR imaging performed after successful lumbar disk surgery: prospective study.

abstract：:History A 3-month-old previously healthy girl presented to an outside institution with a 4-day history of low-grade fever, irritability, and a tender "knot" in the upper abdomen. Ultrasonography (US) was performed at an outside hospital. US images were not available for review; however, they showed a mass in the left ...

journal_title：Radiology

authors： Sandberg JK,Hulett-Bowling R,Khanna G

更新日期：2018-05-01 00:00:00

abstract：:To analyze the effectiveness and accuracy of the diagnostic process from screening mammography to final diagnosis at pathologic examination, the authors conducted a prospective study of 277 consecutive patients who underwent 291 mammographically directed biopsies of nonpalpable lesions. Of the 170 lesions that demonst...

journal_title：Radiology

authors： Stein MA,Karlan MS

更新日期：1991-04-01 00:00:00

abstract：:The purpose of this study was to prospectively use a whole-heart three-dimensional (3D) coronary magnetic resonance (MR) angiography technique specifically adapted for use at 3 T and a parallel imaging technique (sensitivity encoding) to evaluate coronary arterial anomalies and variants (CAAV). This HIPAA-compliant st...

journal_title：Radiology

authors： Gharib AM,Ho VB,Rosing DR,Herzka DA,Stuber M,Arai AE,Pettigrew RI

更新日期：2008-04-01 00:00:00

abstract：:Severe diarrhea and marked lower abdominal cramps are unusual manifestations of appendicitis. The authors performed a barium-enema examination (BE) on 9 pediatric patients who were ultimately shown to have a perforated appendix and pelvic abscesses. In 8 cases, the atypical symptoms initially led to an incorrect clini...

journal_title：Radiology

authors： Picus D,Shackelford GD

更新日期：1983-10-01 00:00:00

abstract：:Background Identification of large vessel occlusion (LVO) is critical to the management of acute ischemic stroke and prerequisite to endovascular therapy in recent trials. Increasing volumes and data complexity compel the development of fast, reliable, and automated tools for LVO detection to facilitate acute imaging ...

journal_title：Radiology

authors： Dehkharghani S,Lansberg M,Venkatsubramanian C,Cereda C,Lima F,Coelho H,Rocha F,Qureshi A,Haerian H,Mont'Alverne F,Copeland K,Heit J

更新日期：2021-01-12 00:00:00

abstract：:Adult respiratory distress syndrome (ARDS) from overdose of tricyclic antidepressants (TCA) has been reported but is not well known. During a 1-year period, 81 patients with serious overdose from tranquilizers and other psychotropic drugs were examined. TCA alone induced overdose in 30 patients or were combined with o...

journal_title：Radiology

authors： Varnell RM,Godwin JD,Richardson ML,Vincent JM

更新日期：1989-03-01 00:00:00

abstract：:To enhance the versatility of the short-tau inversion-recovery (STIR) sequences, the authors determined a range of repetition time (TR) and inversion time (TI) combinations that suppress signal intensity from fat by study of both patient and phantom images. To make fast STIR images, variations in the following pulsing...

journal_title：Radiology

authors： Fleckenstein JL,Archer BT,Barker BA,Vaughan JT,Parkey RW,Peshock RM

更新日期：1991-05-01 00:00:00

abstract：PURPOSE:To investigate blood perfusion of nonfractured, normal-appearing vertebral bodies with regard to age and sex. MATERIALS AND METHODS:Dynamic magnetic resonance imaging (160 images obtained in 80 seconds) was performed from T10 to L5 in 66 patients. Patients were assigned to three groups: group 1, those 50 years...

journal_title：Radiology

authors： Chen WT,Shih TT,Chen RC,Lo SY,Chou CT,Lee JM,Tu HY

更新日期：2001-07-01 00:00:00

abstract：PURPOSE:To determine if magnetic resonance (MR) imaging can help determine the therapeutic approach in women with breast cancer. MATERIALS AND METHODS:Preoperative contrast-enhanced MR imaging of the breast was performed in 463 patients with probably benign lesions (n = 63), suspicious lesions (n = 230), or lesions hi...

journal_title：Radiology

authors： Fischer U,Kopka L,Grabbe E

更新日期：1999-12-01 00:00:00

abstract：PURPOSE:To assess the accuracy of glomerular filtration rate (GFR) measurements obtained with low-contrast agent dose dynamic contrast material-enhanced magnetic resonance (MR) renography in patients with liver cirrhosis who underwent routine liver MR imaging, with urinary clearance of technetium 99m ((99m)Tc) pentetic...

journal_title：Radiology

authors： Vivier PH,Storey P,Rusinek H,Zhang JL,Yamamoto A,Tantillo K,Khan U,Lim RP,Babb JS,John D,Teperman LW,Chandarana H,Friedman K,Benstein JA,Skolnik EY,Lee VS

更新日期：2011-05-01 00:00:00

abstract：:Twenty-six patients with possible esophageal disruption who were also at risk for aspiration or direct communication of the esophagus with the tracheobronchial tree were examined with iohexol esophagography. Fifteen patients had normal studies confirmed by findings at a barium examination performed immediately after. ...

journal_title：Radiology

authors： Brick SH,Caroline DF,Lev-Toaff AS,Friedman AC,Grumbach K,Radecki PD

更新日期：1988-10-01 00:00:00

abstract：:A Kimray-Greenfield filter was inadvertently placed in the right atrium of a patient with multiple pulmonary emboli. A percutaneous technique with the use of a chest tube and basket catheter was performed to retrieve and remove the filter. ...

journal_title：Radiology

authors： Tsai FY,Myers TV,Ashraf A,Shah DC

更新日期：1988-05-01 00:00:00

abstract：PURPOSE:To evaluate retrospectively the presence of complete relaxation of the lower esophageal sphincter (LES) at manometry in patients with achalasia depicted on barium esophagograms. MATERIALS AND METHODS:The institutional review board approved this retrospective study and did not require informed consent. A search...

journal_title：Radiology

authors： Amaravadi R,Levine MS,Rubesin SE,Laufer I,Redfern RO,Katzka DA

更新日期：2005-06-01 00:00:00

abstract：:Corticosteroids and local anesthetics are some of the most commonly administered medications in radiology departments. These medications have marked variability in their formulations, which may increase their adverse event profile for specific procedures. In particular, certain corticosteroid preparations are associat...

journal_title：Radiology

authors： MacMahon PJ,Eustace SJ,Kavanagh EC

更新日期：2009-09-01 00:00:00

abstract：:Colony formation of JB-1-E tumor cells was studied after hyperthermic treatment (42.5 degrees C) at a pH of 6.4 or 7.2 under hypoxic and euoxic conditions. At a pH of 7.2 and normal oxygen tension, there was a moderate decrease in colony formation with increasing duration of hyperthermic treatment (To = 65 min.). This...

journal_title：Radiology

authors： Overgaard J,Bichel P

更新日期：1977-05-01 00:00:00

abstract：PURPOSE:To show that prospective electrocardiographically (ECG)-triggered coronary computed tomographic (CT) angiography (hereafter, prospective CT angiography) is at least as effective as retrospective ECG-gated coronary CT angiography (hereafter, retrospective CT angiography). MATERIALS AND METHODS:Institutional rev...

journal_title：Radiology

authors： Hirai N,Horiguchi J,Fujioka C,Kiguchi M,Yamamoto H,Matsuura N,Kitagawa T,Teragawa H,Kohno N,Ito K

更新日期：2008-08-01 00:00:00

abstract：:Exfoliative cytology of bile aspirated from percutaneously placed combined external/internal biliary drainage catheters yielded positive results in 34% of 100 cases. There were no false-positive results. Bile cytology is a simple, inexpensive, and useful method which can establish a diagnosis of malignant biliary obst...

journal_title：Radiology

authors： Muro A,Mueller PR,Ferrucci JT Jr,Taft PD

更新日期：1983-12-01 00:00:00

abstract：:Twenty-seven consecutive cases of pulmonary involvement by non-Hodgkin in lymphoma, including 2 cases of primary pulmonary disease, were anlyzed. The radiological manifestations of illness were divided into (a) nodular (subpleural, deep parenchymal, or perihilar), (b) pneumonic-alveolar (segmental or lobar), (c) bronc...

journal_title：Radiology

authors： Balikian JP,Herman PG

更新日期：1979-09-01 00:00:00

abstract：:A case of blind pouch formation presenting as gastrointestinal bleeding 23 years following side-to-side small bowel anastomosis to relieve obstruction is reported. Although rare, blind pouches may occasionally be encountered. Familiarity with the clinical and radiographic features can aid in a prompt and precise preop...

journal_title：Radiology

authors： Maglinte DD

更新日期：1979-08-01 00:00:00

abstract：:Purpose To quantify the rate of detection of aneurysms at follow-up digital subtraction angiography (DSA) after initial DSA with results negative for aneurysms in subjects with perimesencephalic (PM) nonaneurysmal subarachnoid hemorrhage. Materials and Methods This single-center retrospective study and meta-analysis w...

journal_title：Radiology

authors： Potter CA,Fink KR,Ginn AL,Haynor DR

更新日期：2016-12-01 00:00:00

abstract：:The purpose of this study was to assess the blooming artifacts in ex vivo coronary arteries at multidetector computed tomography (CT) and flat-panel-volume CT by comparing measured areas of calcified plaque with respect to the reference standard of histopathologic findings. Three ex vivo hearts were scanned with multi...

journal_title：Radiology

authors： Sarwar A,Rieber J,Mooyaart EA,Seneviratne SK,Houser SL,Bamberg F,Raffel OC,Gupta R,Kalra MK,Pien H,Lee H,Brady TJ,Hoffmann U

更新日期：2008-10-01 00:00:00

abstract：:A clinical comparison study of scanning equalization radiography (SER) and conventional chest radiography was performed with the latest prototype SER system. Conventional chest radiography was performed at 120 kVp with Lanex regular screens (Eastman Kodak, Rochester, NY) and Kodak Ortho-G or Ortho-C film (Eastman Koda...

journal_title：Radiology

authors： Wandtke JC,Plewes DB

更新日期：1989-09-01 00:00:00

abstract：PURPOSE:To test a neural network in differentiation of benign from malignant solitary pulmonary nodules. MATERIALS AND METHODS:Neural networks were trained and tested on the characteristics of 318 nodules. Predictive accuracy of the network was judged for calibration and discrimination. Network results were compared w...

journal_title：Radiology

authors： Gurney JW,Swensen SJ

更新日期：1995-09-01 00:00:00

abstract：:Background Water signal contamination is a major challenge for direct ultrashort echo time (UTE) imaging of myelin in vivo because water contributes most of the signals detected in white matter. Purpose To validate a new short repetition time (TR) adiabatic inversion recovery (STAIR) prepared UTE (STAIR-UTE) sequence ...

journal_title：Radiology

authors： Ma YJ,Jang H,Wei Z,Cai Z,Xue Y,Lee RR,Chang EY,Bydder GM,Corey-Bloom J,Du J

更新日期：2020-11-01 00:00:00

abstract：PURPOSE:To evaluate duplex Doppler sonography to assess renal vascular resistance (RVR) in diabetic patients. MATERIALS AND METHODS:Resistive indexes (RIs) and pulsatility indexes (PIs) were measured in intrarenal arteries of 144 patients with diabetes mellitus and 61 control subjects. RIs and PIs were compared for co...

journal_title：Radiology

authors： Brkljacić B,Mrzljak V,Drinković I,Soldo D,Sabljar-Matovinović M,Hebrang A

更新日期：1994-08-01 00:00:00

abstract：PURPOSE:To assess the effect of commonly used computed tomographic (CT) section thicknesses on metastatic tumor measurements calculated with unidimensional, bidimensional, area, and volumetric methods. MATERIALS AND METHODS:Analysis and data collection were approved by the Institutional Review Board, with waived infor...

journal_title：Radiology

authors： Zhao B,Schwartz LH,Moskowitz CS,Wang L,Ginsberg MS,Cooper CA,Jiang L,Kalaigian JP

更新日期：2005-03-01 00:00:00

abstract：PURPOSE:Evaluate effect of prostatic irradiation on erectile function. MATERIALS AND METHODS:Forty-seven male adult rats were divided into three groups according to a single radiation dose to the prostate: control (no irradiation) (n = 15), 1,000 cGy (n = 15), and 2,000 cGy (n = 17). Five months after irradiation, rat...

journal_title：Radiology

authors： Carrier S,Hricak H,Lee SS,Baba K,Morgan DM,Nunes L,Ross GY,Phillips TL,Lue TF

更新日期：1995-04-01 00:00:00

abstract：:Esophageal motor disorders are best evaluated with manometry, which, however, is time-consuming and not generally available. The authors prospectively investigated the yield of videofluoroscopy in detection of esophageal motor disorders in comparison with that of manometry. Eighty-eight patients with dysphagia, globus...

journal_title：Radiology

authors： Schima W,Stacher G,Pokieser P,Uranitsch K,Nekahm D,Schober E,Moser G,Tscholakoff D

更新日期：1992-11-01 00:00:00

abstract：:After institutional review board approval, informed consent was obtained from six patients (four men and two women, aged 47-74 years) with a total of six tumors of the liver dome. These patients were treated by means of radiofrequency (RF) ablation with computed tomographic (CT) guidance and a transthoracic approach. ...

journal_title：Radiology

authors： de Baère T,Dromain C,Lapeyre M,Briggs P,Duret JS,Hakime A,Boige V,Ducreux M

更新日期：2005-08-01 00:00:00

abstract：PURPOSE:To determine the ability of ultrasonography (US)-guided spectroscopic photoacoustic (sPA) imaging to depict changes in blood oxygen saturation (SO2) in metastatic lymph nodes of a mouse model of oral cancer. MATERIALS AND METHODS:All studies were performed by following protocols approved by the institutional a...

journal_title：Radiology

authors： Luke GP,Emelianov SY

更新日期：2015-11-01 00:00:00