Roentgenographic manifestations of methadone-induced pulmonary edema.

abstract：PURPOSE:To measure scanner and patient variation in computed tomographic (CT) numbers for electron-beam CT and to determine the ability of calibration phantoms to reduce variability in calcium quantitation. MATERIALS AND METHODS:Two calibration phantoms were imaged to ensure longitudinal homogeneity and to determine t...

journal_title：Radiology

authors： McCollough CH,Kaufmann RB,Cameron BM,Katz DJ,Sheedy PF 2nd,Peyser PA

更新日期：1995-07-01 00:00:00

abstract：PURPOSE:To compare the antiquated x-ray system of Hoffmans and van Kleef (circa 1896) with modern x-ray equipment in terms of radiation dose, x-ray beam properties, image quality, and electrical parameters. MATERIALS AND METHODS:The antiquated x-ray system consisted of a Ruhmkorff inductor, battery, and Crookes tube. ...

journal_title：Radiology

authors： Kemerink M,Dierichs TJ,Dierichs J,Huynen HJ,Wildberger JE,van Engelshoven JM,Kemerink GJ

更新日期：2011-05-01 00:00:00

abstract：:To determine whether magnetic resonance (MR) imaging can improve assessment of the extensor tendons of the wrist and their propensity to rupture, the dorsal tendons in 23 wrists in 20 patients with rheumatoid arthritis were clinically assessed and then examined with MR imaging. Clinical and MR imaging evaluations were...

journal_title：Radiology

authors： Rubens DJ,Blebea JS,Totterman SM,Hooper MM

更新日期：1993-06-01 00:00:00

abstract：:A high-resolution real-time ultrasound sector scanner was used in the evaluation of patients with suspected gallbladder disease. This technique is noninvasive, requires minimal preparation, and takes less than five minutes for a thorough examination of the gallbladder and related anatomy. In 17 months, 959 patients we...

journal_title：Radiology

authors： Cooperberg PL,Pon MS,Wong P,Stoller JL,Burhenne HJ

更新日期：1979-06-01 00:00:00

abstract：:Background The full-scale airway network (FAN) flow model shows excellent agreement with limited functional imaging data but requires further validation prior to clinical use. Purpose To validate the ventilation distributions computed with the FAN flow model with xenon ventilation from xenon-enhanced dual-energy (DE) ...

journal_title：Radiology

authors： Kim M,Doganay O,Hwang HJ,Seo JB,Gleeson FV

更新日期：2021-01-01 00:00:00

abstract：:Purpose To investigate the association between N-terminal pro-B-type natriuretic peptide (NT-proBNP), which is a marker of heart disease, and markers of subclinical brain damage on magnetic resonance (MR) images in community-dwelling middle-aged and elderly subjects without dementia and without a clinical diagnosis of...

journal_title：Radiology

authors： Zonneveld HI,Ikram MA,Hofman A,Niessen WJ,van der Lugt A,Krestin GP,Franco OH,Vernooij MW

更新日期：2017-04-01 00:00:00

abstract：PURPOSE:To determine predictors of clot dissolution in patients undergoing catheter-directed urokinase thrombolysis for peripheral arterial occlusion (PAO). MATERIALS AND METHODS:The study included 103 patients with limb-threatening symptoms of embolism lasting 14 days or less and resulting from embolism (n = 20) or t...

journal_title：Radiology

authors： Ouriel K,Shortell CK,Azodo MV,Guiterrez OH,Marder VJ

更新日期：1994-11-01 00:00:00

abstract：PURPOSE:To assess the effects of acquisition duration on computed tomographic (CT) perfusion parameter values in neuroendocrine liver metastases and normal liver tissue. MATERIALS AND METHODS:This retrospective study was institutional review board approved, with waiver of informed consent. CT perfusion studies in 16 p...

journal_title：Radiology

authors： Ng CS,Hobbs BP,Chandler AG,Anderson EF,Herron DH,Charnsangavej C,Yao J

更新日期：2013-12-01 00:00:00

abstract：:Twenty-one bone marrow transplantation (BMT) patients were studied prospectively to determine the prevalence of sonographic hepatobiliary abnormalities and to determine if these abnormalities were associated with hepatic venocclusive disease (VOD). Baseline US was performed in all patients prior to chemoradiation ther...

journal_title：Radiology

authors： Hommeyer SC,Teefey SA,Jacobson AF,Higano CS,Bianco JA,Colacurcio CJ,McDonald GB

更新日期：1992-09-01 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 potential of quantitative susceptibility (QS) and R2* mapping as surrogate biomarkers of clinically relevant, age-adjusted demyelination and iron deposition in multiple sclerosis (MS). MATERIALS AND METHODS:All study participants gave written informed consent, and the study was approved by the ...

journal_title：Radiology

authors： Rudko DA,Solovey I,Gati JS,Kremenchutzky M,Menon RS

更新日期：2014-09-01 00:00:00

abstract：:Computed tomography (CT) resulted in a diagnostic accuracy of 89.2% and 96.1% for medial and lateral meniscal lesions, respectively, in 109 patients who underwent surgery after a direct CT study of the knee joint for a clinically suspected meniscal lesion. The meniscal lesions were the only pathologic condition found ...

journal_title：Radiology

authors： Passariello R,Trecco F,de Paulis F,Masciocchi C,Bonanni G,Zobel BB

更新日期：1985-10-01 00:00:00

abstract：:Growth deformities of the distal femur and unusual gait disturbances were observed in four girls who had had neonatal osteomyelitis and septic arthritis. In each case apparent absence or hypoplasia of one of the femoral condyles, as seen on plain radiographs, was associated with marked genu varum or genu valgum. Arthr...

journal_title：Radiology

authors： Singson RD,Berdon WE,Feldman F,Denton JR,Abramson S,Baker DH

更新日期：1986-11-01 00:00:00

abstract：:Tisseel, a fibrin sealant not approved for use in the United States, was tested in abdominal fistulas and sinuses (13 patients) and interventional biliary procedures (11 patients). The two components of Tisseel were introduced via a double-lumen catheter and formed a fibrin gel at the point of contact. Tracts were sea...

journal_title：Radiology

authors： Brady AP,Malone DE,Deignan RW,O'Donovan N,McGrath FP

更新日期：1995-08-01 00:00:00

abstract：PURPOSE:To measure and elucidate the mechanisms of presumed mediators of unexpected severe, immediate reactions to iodinated contrast materials. MATERIALS AND METHODS:In a multicenter study, 20 patients with mild to severe reactions to iodinated contrast material and 20 control subjects without reactions were evaluate...

journal_title：Radiology

authors： Laroche D,Aimone-Gastin I,Dubois F,Huet H,Gérard P,Vergnaud MC,Mouton-Faivre C,Guéant JL,Laxenaire MC,Bricard H

更新日期：1998-10-01 00:00:00

abstract：PURPOSE:To compare the performance of pelvic phased-array (PPA) coils and integrated endorectal PPA coils in evaluation of local extent of prostate cancer. MATERIALS AND METHODS:Seventy-one men underwent magnetic resonance (MR) imaging within 3 weeks of radical prostatectomy. MR findings of tumor, extracapsular extens...

journal_title：Radiology

authors： Hricak H,White S,Vigneron D,Kurhanewicz J,Kosco A,Levin D,Weiss J,Narayan P,Carroll PR

更新日期：1994-12-01 00:00:00

abstract：PURPOSE:To evaluate treatment of osteoid osteoma with computed tomography (CT)-guided percutaneous excision and immediate follow-up scintigraphy. MATERIALS AND METHODS:Sixteen consecutive adolescent and adult patients underwent CT-guided percutaneous excision of a nidus with 14-gauge biopsy cutting needles, with local...

journal_title：Radiology

authors： Roger B,Bellin MF,Wioland M,Grenier P

更新日期：1996-10-01 00:00:00

abstract：:In induced bleeding experiments on dogs, 99mTc-sulfur colloid was a suitable agent for detecting the bleeding site in the small intestine, providing that the site was distant from the liver and spleen. Bleeding sites were detectable at rates as low as 0.1 ml/min. When induced in the sigmoid or descending colon, the si...

journal_title：Radiology

authors： Alavi A,Dann RW,Baum S,Biery DN

更新日期：1977-09-01 00:00:00

abstract：PURPOSE:To create a model to estimate glomerular filtration rate (GFR) in healthy individuals, such as renal transplant donors, by using renal volume measurements derived from multidetector computed tomographic (CT) scans, serum creatinine level, height, weight, race, and age, and to compare the performance of this kid...

journal_title：Radiology

authors： Herts BR,Sharma N,Lieber M,Freire M,Goldfarb DA,Poggio ED

更新日期：2009-07-01 00:00:00

abstract：:A fluoroscopic system was modified to achieve a 95-98% reduction in radiation exposure and dosage to patients compared with other systems that reduce fluoroscopic radiation dosage. This reduction was accomplished by custom selection of a high conversion-factor, triplemode image intensifier; custom design of a variable...

journal_title：Radiology

authors： Wesenberg RL,Amundson GM

更新日期：1984-10-01 00:00:00

abstract：PURPOSE:To assess whether using magnetic resonance (MR) imaging combined with computational fluid dynamics (CFD) could reveal changes in common carotid artery (CCA) flow and wall shear stress (WSS) that might contribute to differences in CCA remodeling between amlodipine, a calcium channel blocker, and lisinopril, an a...

journal_title：Radiology

authors： Ariff BB,Glor FP,Crowe L,Xu XY,Vennart W,Firmin DN,Thom SM,Hughes AD

更新日期：2010-12-01 00:00:00

abstract：:Abnormalities at cerebral proton spectroscopy occur in patients with the acquired immunodeficiency syndrome (AIDS). N-acetyl aspartate (NAA) is believed to be a neuronal marker, and neuronal loss is thought to underlie the human immunodeficiency virus (HIV)-associated cognitive/motor complex. The proton spectra in 103...

journal_title：Radiology

authors： Chong WK,Sweeney B,Wilkinson ID,Paley M,Hall-Craggs MA,Kendall BE,Shepard JK,Beecham M,Miller RF,Weller IV

更新日期：1993-07-01 00:00:00

abstract：PURPOSE:To compare the accuracy of virtual bronchoscopy (VB) with that of axial computed tomography (CT) in the assessment of bronchial anastomotic complications in lung transplant recipients. MATERIALS AND METHODS:Twenty-seven bronchial anastomoses in 17 patients were evaluated with helical CT. Axial CT and VB images...

journal_title：Radiology

authors： McAdams HP,Palmer SM,Erasmus JJ,Patz EF,Connolly JE,Goodman PC,Delong DM,Tapson VF

更新日期：1998-12-01 00:00:00

abstract：:Normal pancreatic ultrasound studies of 28 patients were evaluated as to pancreatic echogenicity and correlated with the morphologic appearance of the pancreas on CT to test the hypothesis that increasing pancreatic echogenicity is related to greater fat infiltration. Statistical analysis indicates that fat is a major...

journal_title：Radiology

authors： Marks WM,Filly RA,Callen PW

更新日期：1980-11-01 00:00:00

abstract：:Magnetic resonance (MR) imaging was performed in 17 patients, 11-84 years of age, referred for evaluation of possible osteomyelitis involving the appendicular skeleton. MR imaging permitted successful identification of osteomyelitis in ten patients (four acute, two subacute with Brodie abscess, two chronic, and two ac...

journal_title：Radiology

authors： Tang JS,Gold RH,Bassett LW,Seeger LL

更新日期：1988-01-01 00:00:00

abstract：PURPOSE:To investigate the effect of injection rate of contrast medium on aortic and hepatic peak enhancement at computed tomography. MATERIALS AND METHODS:Early pharmacokinetics of contrast enhancement was analyzed theoretically and simulated with a compartment model. Contrast enhancement curves were generated from t...

journal_title：Radiology

authors： Bae KT,Heiken JP,Brink JA

更新日期：1998-02-01 00:00:00

abstract：PURPOSE:To determine the effectiveness of magnetic resonance (MR) imaging in the diagnosis of anterolateral impingement of the ankle. MATERIALS AND METHODS:MR images were reviewed in 12 patients (12 ankles) with arthroscopically proved anterolateral impingement and in 19 control subjects (20 ankles) with diagnoses oth...

journal_title：Radiology

authors： Farooki S,Yao L,Seeger LL

更新日期：1998-05-01 00:00:00

abstract：PURPOSE:To determine the ability of different types of gadolinium-based contrast agents (GBCAs) to stimulate fibroblast proliferation in monolayer cell culture. MATERIALS AND METHODS:The National Health Service West Glasgow Ethics Committee granted approval for this study. Fibroblasts established from healthy voluntee...

journal_title：Radiology

authors： Edward M,Quinn JA,Burden AD,Newton BB,Jardine AG

更新日期：2010-09-01 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：PURPOSE:To examine the efficacy of transperineal sonographically guided drainage of deep pelvic abscesses. MATERIALS AND METHODS:Twelve drainage procedures were performed in 11 adults with symptoms of infection and cross-sectional images demonstrating a deep pelvic abscess. Eight patients had recently undergone abdomi...

journal_title：Radiology

authors： Sperling DC,Needleman L,Eschelman DJ,Hovsepian DM,Lev-Toaff AS

更新日期：1998-07-01 00:00:00