Spiral CT of the pancreas.

abstract：:The authors report two cases of coexistent pneumomediastinum and diabetic ketoacidosis. One patient had pneumothorax as well. Hyperpnea or vomiting, or a combination of the two, may be the etiologic agent in such cases. The prognosis is excellent and there is prompt regression of the pneumomediastinum following correc...

journal_title：Radiology

authors： Toomey FB,Chinnock RF

更新日期：1975-09-01 00:00:00

abstract：PURPOSE:To prospectively determine feasibility of contrast material-enhanced magnetic resonance (MR) angiography of the peripheral arteries from distal aorta to pedal arteries with a 1.0-T system and a dedicated phased-array coil. MATERIALS AND METHODS:Twenty-seven patients with peripheral arteriosclerotic occlusive d...

journal_title：Radiology

authors： Janka R,Fellner C,Wenkel E,Lang W,Bautz W,Fellner FA

更新日期：2005-04-01 00:00:00

abstract：:Sixteen of 227 patients referred for percutaneous placement of a ureteral stent had impassable stenoses. Stenoses were benign (n = 8) or attributed to malignant retroperitoneal neoplasm (n = 8). Electrocautery was used to create a neotract between the stenosed ureter and the bladder or ileal loop. A double-J stent was...

journal_title：Radiology

authors： Cornud FE,Casanova JM,Bonnel DH,Helenon OR,Hanna SM,Chretien YR,Dufour BF,Moreau JF

更新日期：1991-08-01 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 (a) demonstrate an image-processing method that can automatically measure the power Doppler signal in a three-dimensional ( 3D three-dimensional ) ultrasonographic (US) volume by using the location of organs within the image and (b) compare 3D three-dimensional fractional moving blood volume ( FMBV fractiona...

journal_title：Radiology

authors： Stevenson GN,Collins SL,Welsh AW,Impey LW,Noble JA

更新日期：2015-01-01 00:00:00

abstract：:Twenty-three patients were prospectively examined with ultrasound (US) for acute or recurrent Achilles tendon symptoms. Three types of pathologic conditions of the Achilles tendon were found: tendinitis/tenosynovitis, acute tendon trauma, and postoperative changes. US appears to enable differentiation of these conditi...

journal_title：Radiology

authors： Blei CL,Nirschl RP,Grant EG

更新日期：1986-06-01 00:00:00

abstract：:A commercially available double-lumen central venous catheter that can be inserted over a 0.018-inch guide wire was used for ureteral perfusion studies in three infants. Complications or difficulties were not encountered in any patients. This technique allows simultaneous monitoring of perfusion and intrarenal pressur...

journal_title：Radiology

authors： Diament MJ,Koenig JC Jr

更新日期：1991-10-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the technical feasibility of both high-spatial-resolution and time-resolved contrast material-enhanced magnetic resonance (MR) angiography of the pulmonary circulation at 3.0 T. MATERIALS AND METHODS:All examinations were HIPAA compliant. After institutional review board approval and ...

journal_title：Radiology

authors： Nael K,Michaely HJ,Kramer U,Lee MH,Goldin J,Laub G,Finn JP

更新日期：2006-09-01 00:00:00

abstract：:In diagnostic radiology, the routine measurement of exposure levels for a reference patient is an important part of an effective quality assurance program. In the United States, chest radiography is the most frequent examination and has the lowest exposure level of all radiologic examinations. We estimated the amount ...

journal_title：Radiology

authors： Butler PF,Conway BJ,Suleiman OH,Koustenis GH,Showalter CK

更新日期：1985-08-01 00:00:00

abstract：:Purpose To develop and validate a deep learning algorithm that predicts the final diagnosis of Alzheimer disease (AD), mild cognitive impairment, or neither at fluorine 18 (18F) fluorodeoxyglucose (FDG) PET of the brain and compare its performance to that of radiologic readers. Materials and Methods Prospective 18F-FD...

journal_title：Radiology

authors： Ding Y,Sohn JH,Kawczynski MG,Trivedi H,Harnish R,Jenkins NW,Lituiev D,Copeland TP,Aboian MS,Mari Aparici C,Behr SC,Flavell RR,Huang SY,Zalocusky KA,Nardo L,Seo Y,Hawkins RA,Hernandez Pampaloni M,Hadley D,Franc BL

更新日期：2019-02-01 00:00:00

abstract：:Background Chest CT is used in the diagnosis of coronavirus disease 2019 (COVID-19) and is an important complement to reverse-transcription polymerase chain reaction (RT-PCR) tests. Purpose To investigate the diagnostic value and consistency of chest CT as compared with RT-PCR assay in COVID-19. Materials and Methods ...

journal_title：Radiology

authors： Ai T,Yang Z,Hou H,Zhan C,Chen C,Lv W,Tao Q,Sun Z,Xia L

更新日期：2020-08-01 00:00:00

abstract：PURPOSE:To determine whether enhancement at multiphasic multidetector computed tomography (CT) can help differentiate clear cell renal cell carcinoma (RCC) from oncocytoma, papillary RCC, and chromophobe RCC. MATERIALS AND METHODS:With institutional review board approval for this HIPAA-compliant retrospective study, t...

journal_title：Radiology

authors： Young JR,Margolis D,Sauk S,Pantuck AJ,Sayre J,Raman SS

更新日期：2013-05-01 00:00:00

abstract：PURPOSE:To evaluate the ability of magnetization transfer (MT) contrast-prepared magnetic resonance (MR) imaging to help distinguish healthy from cirrhotic liver by using a spectrum of MT pulse frequency offsets. MATERIALS AND METHODS:This HIPAA-compliant prospective study was approved by the institutional review boar...

journal_title：Radiology

authors： Rosenkrantz AB,Storey P,Gilet AG,Niver BE,Babb JS,Hajdu CH,Lee VS

更新日期：2012-01-01 00:00:00

abstract：:Six commercially available movable core guide wires were compared with each other and with a new design in glass models simulating tortuous vessels. The results demonstrate a wide variability in performance of the commercially available wires and the superiority of the new design. ...

journal_title：Radiology

authors： Smith TP,Derauf BJ,Darcy MD,Hunter DW,Castaneda-Zuniga WR,Amplatz K

更新日期：1986-05-01 00:00:00

abstract：PURPOSE:To compare areas of contrast material enhancement in the prostate at ultrasonography (US) with whole-mount radical prostatectomy specimens to determine if the use of contrast material improves the detection rate of prostate cancer. MATERIALS AND METHODS:Transrectal US was performed in 12 subjects with cancer o...

journal_title：Radiology

authors： Halpern EJ,McCue PA,Aksnes AK,Hagen EK,Frauscher F,Gomella LG

更新日期：2002-02-01 00:00:00

abstract：:Comparison radiographs may be used to confirm subtle extremity fractures or dislocations in children. Some suggest that such views be routinely obtained. As determined by questionnaire, however, a clear majority (2:1) of pediatric radiologists do not currently utilize this procedure. Factors determining this are discu...

journal_title：Radiology

authors： Merten DF

更新日期：1978-01-01 00:00:00

abstract：PURPOSE:To compare the occurrence of several central sulcus variants and to assess the reproducibility of a sulcal pattern named the power button sign (PBS) in patients with type 2 focal cortical dysplasia (FCD2) and healthy control subjects. MATERIALS AND METHODS:The local institutional review board approved the stud...

journal_title：Radiology

authors： Mellerio C,Roca P,Chassoux F,Danière F,Cachia A,Lion S,Naggara O,Devaux B,Meder JF,Oppenheim C

更新日期：2015-02-01 00:00:00

abstract：:The anatomy of the posterior cerebral artery (PCA) and its branches is described. On the vertebral angiogram, displacement of these vessels is a sign of corresponding displacement of the temporal horn, which in turn is an indication of a mass involving the temporal lobe, diencephalon, or midbrain. Specific angiographi...

journal_title：Radiology

authors： Salamon G,Lecaque GL,Strother CM

更新日期：1978-08-01 00:00:00

abstract：:The authors developed a colostomy appliance for use during barium-enema examinations. It is 8 cm in diameter and 4 cm in height, and is made of acrylic resins. With the use of this device, 21 patients were fluoroscopically examined through the stoma; good contrast views of the lower intestinal tract were obtained in a...

journal_title：Radiology

authors： Sarashina H,Ozaki A,Fukao K,Takase Y,Todoroki T,Nagoshi K,Ohshima M,Kawakita I,Iwasaki Y

更新日期：1979-10-01 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：: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：:Sustentacular-talar tarsal coalitions can be difficult to detect radiographically. The sustentacular-talar articulation is a part of the talocalcaneonavicular joint. Thus, arthrography of this joint, combined with tangential views of the sustentaculotalar articulation (Harris views), provides a new and simple method t...

journal_title：Radiology

authors： Kaye JJ,Ghelman B,Schneider R

更新日期：1975-06-01 00:00:00

abstract：:An overview of current air-contrast stomach examination techniques is offered: (a) Hampton's technique which does not use distension; (b) the Japanese method which utilizes the relaxant drug Buscopan, good distension, and much patient rotation; (c) a third method in which no drugs are used but more distension is obtai...

journal_title：Radiology

authors： Miller RE

更新日期：1975-12-01 00:00:00

abstract：:The purpose of this study was to construct and evaluate a phantom for measurement of magnetic resonance (MR) imaging sections with thicknesses of 0.3-0.6 mm. The phantom consisted of 304 0.1-mm-thick disks, each of which had a single notch filled with a diluted solution of gadopentetate dimeglumine. Qualitative and qu...

journal_title：Radiology

authors： Lemke AJ,Kazi I,de Bary P,Bernhardt U,Foerster PI,Foerster M,Felix R

更新日期：2006-08-01 00:00:00

abstract：:Clinical, radiological, and pathologic data for nine children with adult respiratory distress syndrome (ARDS) were reviewed. The children ranged in age from 7 months to 15 years (mean age, 7.4 yrs). Underlying diseases and precipitating events included sepsis, pneumonia, near drowning, aspiration pneumonia, central ne...

journal_title：Radiology

authors： Effmann EL,Merten DF,Kirks DR,Pratt PC,Spock A

更新日期：1985-10-01 00:00:00

abstract：PURPOSE:To quantify the effects of spiral computed tomographic (CT) acquisition parameters on the magnitude of three-dimensional (3D) rippling artifacts and polyp depiction. MATERIALS AND METHODS:An in vitro colon phantom was constructed with air-filled acrylic cylinders that contained synthetic polyps of 3-13 mm. The...

journal_title：Radiology

authors： Whiting BR,McFarland EG,Brink JA

更新日期：2000-10-01 00:00:00

abstract：PURPOSE:To retrospectively evaluate the role of computer-aided detection (CAD) in reducing the rate of false-negative (FN) findings on screening mammograms considered normal at initial double reading. MATERIALS AND METHODS:At the authors' institution, independent prospective double readings in which the second reader ...

journal_title：Radiology

authors： Destounis SV,DiNitto P,Logan-Young W,Bonaccio E,Zuley ML,Willison KM

更新日期：2004-08-01 00:00:00

abstract：PURPOSE:To perform a systematic review and meta-analysis of the diagnostic performance of computed tomography (CT) and magnetic resonance (MR) imaging as noninvasive modalities for evaluating hepatocellular carcinoma (HCC) in patients with chronic liver disease. MATERIALS AND METHODS:A search of the MEDLINE, EMBASE, a...

journal_title：Radiology

authors： Lee YJ,Lee JM,Lee JS,Lee HY,Park BH,Kim YH,Han JK,Choi BI

更新日期：2015-04-01 00:00:00

abstract：PURPOSE:To assess placental perfusion and permeability in mice with magnetic resonance (MR) imaging. MATERIALS AND METHODS:This study was conducted according to French law and National Institutes of Health recommendations for animal care. Twenty-two pregnant BALB/c mice were examined at 1.5 T with a single-section dua...

journal_title：Radiology

authors： Taillieu F,Salomon LJ,Siauve N,Clément O,Faye N,Balvay D,Vayssettes C,Frija G,Ville Y,Cuenod CA

更新日期：2006-12-01 00:00:00

abstract：:The efficacy of the barium enema examination and abdominal computed tomography (CT) was investigated in 81 patients who had undergone operation for colorectal carcinoma. Recurrent disease was found in 52 patients and was divided into local (anastomotic and perianastomotic) and remote (distant and hepatic metastases) t...

journal_title：Radiology

authors： Chen YM,Ott DJ,Wolfman NT,Gelfand DW,Karsteadt N,Bechtold RE

更新日期：1987-05-01 00:00:00