Work in progress: NMR anatomy of the larynx and tongue base.

abstract：PURPOSE:To illustrate the normal variants and developmental anomalies of the skull base on computed tomographic (CT) scans. MATERIALS AND METHODS:One hundred eighty-nine children (age range, newborn to 18 years; median age, 4.0 years) without skull base deformity were referred for cranial CT. Normal developmental vari...

journal_title：Radiology

authors： Madeline LA,Elster AD

更新日期：1995-09-01 00:00:00

abstract：PURPOSE:To determine a set of distinctive imaging findings seen in symptomatic patients with pretibial varices. MATERIALS AND METHODS:Medical records and imaging studies of patients who presented with pretibial varices over an 8-year period were collected from four institutions. Findings in six symptomatic patients wi...

journal_title：Radiology

authors： Boutin RD,Sartoris DJ,Rose SC,Plecha EJ,Bundens WP,Haghighi P,Harter LP,Resnick D

更新日期：1997-03-01 00:00:00

abstract：:Gas within embolized, uninfected tumors has been ascribed to either carbon dioxide produced through anaerobic reticulocyte metabolism or oxygen release from oxyhemoglobin. An alternative hypothesis explaining the presence of gas within embolized, uninfected tumors, namely, that gas is introduced during the embolizatio...

journal_title：Radiology

authors： Carroll BA,Walter JF

更新日期：1983-05-01 00:00:00

abstract：:Background It is uncertain whether a deep learning-based automatic detection algorithm (DLAD) for identifying malignant nodules on chest radiographs will help diagnose lung cancers. Purpose To evaluate the efficacy of using a DLAD in observer performance for the detection of lung cancers on chest radiographs. Material...

journal_title：Radiology

authors： Jang S,Song H,Shin YJ,Kim J,Kim J,Lee KW,Lee SS,Lee W,Lee S,Lee KH

更新日期：2020-09-01 00:00:00

abstract：PURPOSE:To develop and demonstrate a method for regional evaluation of pulmonary perfusion and gas exchange based on intravenous injection of hyperpolarized xenon 129 ((129)Xe) and subsequent magnetic resonance (MR) imaging of the gas-phase (129)Xe emerging in the alveolar airspaces. MATERIALS AND METHODS:Five Fischer...

journal_title：Radiology

authors： Driehuys B,Möller HE,Cleveland ZI,Pollaro J,Hedlund LW

更新日期：2009-08-01 00:00:00

abstract：:To compare two methods of evaluating patients with coronary artery disease, the authors assessed the ejection fraction (EF) during the first-third (1/3) of systole by first-pass radionuclide angiography and the EF response to exercise in 22 normal individuals and 40 patients. The 1/3 EF was calculated by averaging 3--...

journal_title：Radiology

authors： Slutsky R,Battler A,Karliner JS,Froelicher V,Ashburn W

更新日期：1980-07-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the diagnostic performance of magnetic resonance (MR) spectroscopy in patients with suspicious lesions or biopsy-proved cancers at MR imaging by using histologic findings as the reference standard. MATERIALS AND METHODS:After institutional review board approval and informed consent we...

journal_title：Radiology

authors： Bartella L,Morris EA,Dershaw DD,Liberman L,Thakur SB,Moskowitz C,Guido J,Huang W

更新日期：2006-06-01 00:00:00

abstract：:Computed tomographic (CT) scans of 24 bronchopulmonary sequestrations in 23 patients were reviewed. Seventeen sequestrations were diagnosed at surgery, three at angiography, and four on the basis of radiographic or CT findings combined with appropriate history. Sixteen sequestrations were intralobar, and eight were ex...

journal_title：Radiology

authors： Ikezoe J,Murayama S,Godwin JD,Done SL,Verschakelen JA

更新日期：1990-08-01 00:00:00

abstract：:Background Results of recent phantom studies show that variation in CT acquisition parameters and reconstruction techniques may make radiomic features largely nonreproduceable and of limited use for prognostic clinical studies. Purpose To investigate the effect of CT radiation dose and reconstruction settings on the r...

journal_title：Radiology

authors： Meyer M,Ronald J,Vernuccio F,Nelson RC,Ramirez-Giraldo JC,Solomon J,Patel BN,Samei E,Marin D

更新日期：2019-12-01 00:00:00

abstract：PURPOSE:To prospectively identify brain regions in which task-related changes in activation during a memory encoding task, measured with functional magnetic resonance (MR) imaging, correlate with degree of memory impairment across Alzheimer disease (AD), mild cognitive impairment (MCI), and elderly control subjects. M...

journal_title：Radiology

authors： Petrella JR,Wang L,Krishnan S,Slavin MJ,Prince SE,Tran TT,Doraiswamy PM

更新日期：2007-10-01 00:00:00

abstract：:This review offers insight into the possible role of vasa vasorum in the development of intracranial vascular disease. Unique structural features of intracranial vessels and nourishment from the surrounding cerebrospinal fluid environment may account for the relative lack of intracranial vasa vasorum early in life. Ho...

journal_title：Radiology

authors： Portanova A,Hakakian N,Mikulis DJ,Virmani R,Abdalla WM,Wasserman BA

更新日期：2013-06-01 00:00:00

abstract：:The authors present a case of congenital bronchopulmonary foregut malformation with pulmonary artery blood supply and pulmonary venous drainage in a five-month-old boy. ...

journal_title：Radiology

authors： Graves VB,Dahl DD,Power HW

更新日期：1975-02-01 00:00:00

abstract：:The quality of chest images obtained with portable radiography was evaluated for a conventional screen-film system, a new asymmetric screen-film chest system, and computed radiography (CR). Sixty chest images were obtained in 20 patients in an intensive care unit. The CR system was ranked by all three evaluating radio...

journal_title：Radiology

authors： Niklason LT,Chan HP,Cascade PN,Chang CL,Chee PW,Mathews JF

更新日期：1993-02-01 00:00:00

abstract：:A case of radiologically demonstrable gas gangrene of the colon was proved pathologically to be caused by C. perfringens. The case was radiologically indistinguishable from that of bowel infarction. When intramural gas is seen in patients with the symptoms of toxemia but without the bloody diarrhea associated with bow...

journal_title：Radiology

authors： Rudikoff JC

更新日期：1977-07-01 00:00:00

abstract：:Medullary carcinoma of the breast is an uncommon tumor, which may mimic a benign mass at both mammography and ultrasonography (US). A total of 24 medullary carcinomas visible at mammography appeared as round or oval, noncalcified masses with varying degrees of marginal lobulation. In six of the 24 patients, US demonst...

journal_title：Radiology

authors： Meyer JE,Amin E,Lindfors KK,Lipman JC,Stomper PC,Genest D

更新日期：1989-01-01 00:00:00

abstract：:Ninety malignant hepatic neoplasms were studied by gray scale ultrasound. Four different ultrasonic patterns were observed: (a) discrete, relatively echo-free masses; (b) discrete, relatively echogenic masses; (c) totally echo-free masses; and (d) a diffuse alteration of echo architecture without discrete masses. Ther...

journal_title：Radiology

authors： Green B,Bree RL,Goldstein HM,Stanley C

更新日期：1977-07-01 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：:Bilateral peripheral pulmonary infiltrates caused by Pneumocystis carinii developed in a patient undergoing mediastinal irradiation after chemotherapy for Hodgkin disease. The paramediastinal part of the lung included within the treatment port remained clear during the 2 1/2 weeks of radiation therapy. The distributio...

journal_title：Radiology

authors： Panicek DM,Groskin SA,Chung CT,Heitzman ER,Sagerman RH

更新日期：1987-06-01 00:00:00

abstract：:Purpose To investigate the feasibility of deformable, motion-coherent modeling based on electrocardiography-gated multidetector computed tomographic (CT) angiography of the thoracic aorta and to evaluate whether quantifiable information on aortic wall stress as a function of patient-specific cardiovascular parameters ...

journal_title：Radiology

authors： Mileto A,Heye TJ,Makar RA,Hurwitz LM,Marin D,Boll DT

更新日期：2016-07-01 00:00:00

abstract：PURPOSE:To compare open-magnet magnetic resonance (MR) imaging performed with the patient sitting with dynamic closed-magnet MR imaging of the pelvic floor performed with the patient supine. MATERIALS AND METHODS:Thirty-eight patients underwent dynamic 1.5-T closed-magnet pelvic floor MR imaging while in the supine po...

journal_title：Radiology

authors： Bertschinger KM,Hetzer FH,Roos JE,Treiber K,Marincek B,Hilfiker PR

更新日期：2002-05-01 00:00:00

abstract：PURPOSE:To perform a systematic review to evaluate the diagnostic accuracy of hepatobiliary (HPB) phase gadoxetic acid-enhanced MR imaging of the liver in the diagnosis of focal nodular hyperplasia (FNH) versus hepatocellular adenoma (HCA) and to identify the rate of (a) reported HCAs that are iso- or hyperintense to l...

journal_title：Radiology

authors： McInnes MD,Hibbert RM,Inácio JR,Schieda N

更新日期：2015-11-01 00:00:00

abstract：:Injection cholecystography is often employed during invasive gallbladder procedures to determine the number of gallstones that are present. The authors undertook this study to define the optimal radiographic technique for performance of injection cholecystography. Condoms filled with 100 mL of contrast medium at four ...

journal_title：Radiology

authors： Kammer B,Saini S,Brink JA,Knoefel WT,Ferrucci JT,Simeone JF,Mueller PR

更新日期：1991-07-01 00:00:00

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 evaluate the usefulness of a radiographic system with monochromatic synchrotron radiation to depict small vessels and peripheral secretory ducts. MATERIALS AND METHODS:Radiography of various organs was tested in 14 anesthetized dogs and pancreatography was performed in an excised human pancreas by using the...

journal_title：Radiology

authors： Mori H,Hyodo K,Tanaka E,Uddin-Mohammed M,Yamakawa A,Shinozaki Y,Nakazawa H,Tanaka Y,Sekka T,Iwata Y,Handa S,Umetani K,Ueki H,Yokoyama T,Tanioka K,Kubota M,Hosaka H,Ishikawa N,Ando M

更新日期：1996-10-01 00:00:00

abstract：PURPOSE:To compare the accuracy of a fluid-attenuated inversion-recovery (FLAIR) sequence with that of a conventional double spin-echo (SE) sequence in the identification of increased signal intensity of the hippocampus in mesial temporal sclerosis (MTS). MATERIALS AND METHODS:Three blinded reviewers independently gra...

journal_title：Radiology

authors： Jack CR Jr,Rydberg CH,Krecke KN,Trenerry MR,Parisi JE,Rydberg JN,Cascino GD,Riederer SJ

更新日期：1996-05-01 00:00:00

abstract：:Primary adenocarcinoma of the esophagus is thought to be a rare lesion. However, pathologic records at our institution from 1979 to 1982 show that adenocarcinoma accounted for 17 of 89 (19%) of all primary malignant tumors in the esophagus. All 17 cases arose in Barrett mucosa. In eight cases, there was surgically pro...

journal_title：Radiology

authors： Levine MS,Caroline D,Thompson JJ,Kressel HY,Laufer I,Herlinger H

更新日期：1984-02-01 00:00:00

abstract：:Computed tomographic (CT) colonography is a new-generation technique for detecting colorectal neoplasms by using volumetric CT data combined with specialized imaging software. Patient examinations require full colonic preparation, insufflation, and data acquisition with the patient in the supine and prone positions. C...

journal_title：Radiology

authors： Johnson CD,Dachman AH

更新日期：2000-08-01 00:00:00

abstract：PURPOSE:To provide a broad perspective concerning the recent use of receiver operating characteristic (ROC) analysis in medical imaging by reviewing ROC studies published in Radiology between 1997 and 2006 for experimental design, imaging modality, medical condition, and ROC paradigm. MATERIALS AND METHODS:Two hundred...

journal_title：Radiology

authors： Shiraishi J,Pesce LL,Metz CE,Doi K

更新日期：2009-12-01 00:00:00

abstract：PURPOSE:To compare measures of diagnostic accuracy between large concurrent cohorts of women screened with digital computed radiography (CR), direct radiography (DR), and screen-film mammography (SFM). MATERIALS AND METHODS:This study was approved by the University of Toronto Research Ethics Board; informed consent wa...

journal_title：Radiology

authors： Prummel MV,Muradali D,Shumak R,Majpruz V,Brown P,Jiang H,Done SJ,Yaffe MJ,Chiarelli AM

更新日期：2016-02-01 00:00:00

abstract：:A case of melorheostosis with overlying linear skin changes is reported. The radiographic appearance is that of a linear hyperostosis which appears to flow along the cortex of the bone. This is believed to be the twelfth such case in the literature. ...

journal_title：Radiology

authors： Soffa DJ,Sire DJ,Dodson JH

更新日期：1975-03-01 00:00:00