Ultrasonic assessment of the fetal spine before 20 weeks' gestation.

abstract：PURPOSE:To describe the gray-scale and color and duplex Doppler ultrasound (US) and the magnetic resonance (MR) imaging features of uterine arteriovenous malformations (AVMs). MATERIALS AND METHODS:Uterine AVMs in 10 patients were retrospectively evaluated. All patients underwent gray-scale US and color and duplex Dop...

journal_title：Radiology

authors： Huang MW,Muradali D,Thurston WA,Burns PN,Wilson SR

更新日期：1998-01-01 00:00:00

abstract：:The sonograms of 40 patients with second-trimester polyhydramnios were reviewed to determine (a) whether fetal and maternal conditions occur as often during second-trimester polyhydramnios as during third-trimester polyhydramnios, (b) the frequency of persistence of polyhydramnios into the third trimester, and (c) how...

journal_title：Radiology

authors： Sivit CJ,Hill MC,Larsen JW,Lande IM

更新日期：1987-11-01 00:00:00

abstract：:A retrospective review of 20 cases of endoprosthesis occlusion in 17 patients was performed. The average length of stent patency before occlusion was 3.7 months. Clinical manifestations included one or a combination of the following: cholangitis (n = 17), jaundice (n = 9), and leakage of bile or purulent material from...

journal_title：Radiology

authors： Lee MJ,Mueller PR,Saini S,Morrison MC,Brink JA,Hahn PF

更新日期：1990-08-01 00:00:00

abstract：PURPOSE:To evaluate differences in the structural connectome among patients with normal cognition (NC), mild cognitive impairment (MCI), and Alzheimer disease (AD) and to determine associations between the structural connectome and cortical amyloid deposition. MATERIALS AND METHODS:Patients enrolled in a multicenter b...

journal_title：Radiology

authors： Prescott JW,Guidon A,Doraiswamy PM,Roy Choudhury K,Liu C,Petrella JR,Alzheimer’s Disease Neuroimaging Initiative.

更新日期：2014-10-01 00:00:00

abstract：:The authors present the postoperative angiographic appearance of the revascularized renal artery in 128 patients. The angiographic findings in four types of surgical procedures (saphenous bypass graft, dacron graft, endarterectomy, and reimplantation of the renal artery) are discussed. Postoperative angiography accura...

journal_title：Radiology

authors： Ekelund L,Gerlock J Jr,Goncharenko V,Foster J

更新日期：1978-02-01 00:00:00

abstract：:Gas cisternography was combined with edge-enhanced computed tomography (CT) in 6 patients and demonstrated the seventh and eighth cranial nerves thorugh both the cerebellopontine angle cistern and the internal auditory canal in the normal patients. The normal nerve outline was lost when a tumor was contained within th...

journal_title：Radiology

authors： Bentson JR,Mancuso AA,Winter J,Hanafee WN

更新日期：1980-09-01 00:00:00

abstract：PURPOSE:To determine the correlation between the degree of plaque enhancement with contrast agent microbubbles and clinical symptoms in patients with carotid atherosclerotic plaque. MATERIALS AND METHODS:The study was approved by the hospital ethical committee, and informed consent was obtained from all patients. One ...

journal_title：Radiology

authors： Xiong L,Deng YB,Zhu Y,Liu YN,Bi XJ

更新日期：2009-05-01 00:00:00

abstract：:Fibromuscular dysplasia (FMD) of the intracranial internal carotid and vertebro-basilar system is extremely rare. A case with diffuse intracranial involvement and an associated carotid-cavernous fistula is presented. The literature is reviewed and the pathogenesis of this complication of FMD is discussed. ...

journal_title：Radiology

authors： Zimmerman R,Leeds NE,Naidich TP

更新日期：1977-03-01 00:00:00

abstract：:Seven infants born at our institution between July 1979 and June 1982 had congenital diaphragmatic hernia (CDH). Four cases of CDH were correctly identified by fetal ultrasonography. Diagnosis relied upon the demonstration of abdominal organs within the thorax. During this period, no false positive diagnoses of CDH we...

journal_title：Radiology

authors： Chinn DH,Filly RA,Callen PW,Nakayama DK,Harrison MR

更新日期：1983-07-01 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：PURPOSE:To retrospectively determine if the interval increase of right ventricular-left ventricular (RV/LV) diameter ratio from negative prior to positive current computed tomographic (CT) examination findings for pulmonary embolism (PE) is more accurate for predicting 30-day mortality than positive CT ratio alone, by ...

journal_title：Radiology

authors： Lu MT,Cai T,Ersoy H,Whitmore AG,Quiroz R,Goldhaber SZ,Rybicki FJ

更新日期：2008-01-01 00:00:00

abstract：:Two patients with a total of 4 intracerebral hemorrhages were examined by serial computer tomography (CT) over a period of up to 6 months, revealing a progressive decrease in lesion volume and density which eventually became less than that of the surrounding brain tissue. These changes were interpreted as complete clo...

journal_title：Radiology

authors： Messina AV,Chernik NL

更新日期：1976-03-01 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：:Clinical, pathologic, and computed tomographic (CT) findings were reviewed in 400 patients with ethmoid sinus disease, including 272 who had undergone surgery. The postoperative appearance of ethmoid sinuses on CT scans is a highly neglected subject in radiologic literature. The unique ethmoid anatomy permits a variet...

journal_title：Radiology

authors： Som PM,Lawson W,Biller HF,Lanzieri CF

更新日期：1986-06-01 00:00:00

abstract：PURPOSE:To determine the performance of dynamic contrast material-enhanced magnetic resonance (MR) imaging in the diagnosis of small (≤2-cm) hepatocellular carcinoma (HCC) and to identify factors that influence this performance. MATERIALS AND METHODS:Medline and Embase databases were searched for studies performed fro...

journal_title：Radiology

authors： Kierans AS,Kang SK,Rosenkrantz AB

更新日期：2016-01-01 00:00:00

abstract：:Purpose To investigate the prevalence of symptomatic carotid web in patients with acute ischemic stroke due to intracranial large vessel occlusion, to determine the clinical and imaging profile of patients with carotid web as well as their association with ischemic stroke, and to determine the interobserver agreement ...

journal_title：Radiology

authors： Compagne KCJ,van Es ACGM,Berkhemer OA,Borst J,Roos YBWEM,van Oostenbrugge RJ,van Zwam WH,Majoie CBLM,Marquering HA,Dippel DWJ,van der Lugt A,Emmer BJ,MR CLEAN Trial Investigators.

更新日期：2018-03-01 00:00:00

abstract：:Phase-contrast x-ray computed tomography (CT) indicates the distribution of the refractive index and has potential to reveal the structures inside soft tissues without a contrast agent. With a synchrotron x-ray source, phase-contrast x-ray CT with a triple Laue-case x-ray interferometer clearly differentiated various ...

journal_title：Radiology

authors： Takeda T,Momose A,Hirano K,Haraoka S,Watanabe T,Itai Y

更新日期：2000-01-01 00:00:00

abstract：:Four cases of severe skin reactions to the use of iocetamic acid as a contrast medium are reported. Although the incidence of this type of reaction was relatively small (1.8%), its severity induced the authors to discontinue the use of this medium. ...

journal_title：Radiology

authors： Janower ML,Hannon MA

更新日期：1976-02-01 00:00:00

abstract：:The techniques and results of percutaneous transluminal angioplasty (TPA) of the renal arteries were evaluated in 20 hypertensive patients with 25 renal artery stenoses. Follow-up angiograms have been obtained in nine patients. Many patients had evidence of both essential and angiotensinogenic hypertension. Eleven pat...

journal_title：Radiology

authors： Tegtmeyer CJ,Dyer R,Teates CD,Ayers CR,Carey RM,Wellons HA Jr,Stanton LW

更新日期：1980-06-01 00:00:00

abstract：PURPOSE:To evaluate the accuracy of scintimammography as an adjunct to physical examination and mammography in the detection of breast cancer in women with dense and fatty breasts. MATERIALS AND METHODS:A total of 558 women were prospectively enrolled from 42 centers in North America. Images were interpreted by reader...

journal_title：Radiology

authors： Khalkhali I,Baum JK,Villanueva-Meyer J,Edell SL,Hanelin LG,Lugo CE,Taillefer R,Freeman LM,Neal CE,Scheff AM,Connolly JL,Schnitt SJ,Houlihan MJ,Sampalis JS,Haber SB

更新日期：2002-01-01 00:00:00

abstract：:The authors report a case of renal cell carcinoma in which computed tomography (CT) revealed fatty tissue and calcification within a solid renal mass. The detection of a mass with negative CT numbers at CT and increased echogenicity at ultrasound led to the incorrect diagnosis of angiomyolipoma (renal hamartoma). The ...

journal_title：Radiology

authors： Strotzer M,Lehner KB,Becker K

更新日期：1993-08-01 00:00:00

abstract：PURPOSE:To assess replacement of barium enema examination with colonoscopy in relation to age- and sex-related risk factors, place of service, physician specialty, and cost. MATERIALS AND METHODS:Between 1985 and 1992, 894,777 insurance claims for barium enema examination and lower gastrointestinal endoscopy were retr...

journal_title：Radiology

authors： Karasick S,Ehrlich SM,Levin DC,Harford RJ,Rosetti EF,Ricci JA,Beam LM,Gigliotti JV

更新日期：1995-06-01 00:00:00

abstract：:Studies in dogs showed that heat-treated 99mTc-labeled red blood cells (HT/RBC) afford a highly sensitive means of detecting gastrointestinal bleeding as low as 0.12 ml/min., which could not be seen with unheated 99mTc-RBC, 99mTc-sulfur colloid, or 99mTc-DTPA. In addition, as the right upper quadrant and epigastrium r...

journal_title：Radiology

authors： Som P,Oster ZH,Atkins HL,Goldman AG,Sacker DF,Harold WH,Fairchild RG,Richards P,Brill AB

更新日期：1981-01-01 00:00:00

abstract：PURPOSE:To assess SH U 508A in the diagnosis of suspected renal arterial stenosis by means of ultrasonography (US) and to confirm the safety of SH U 508A in a clinical setting. MATERIALS AND METHODS:A randomized crossover study was performed in 198 patients from 14 European centers who were referred for renal arterial...

journal_title：Radiology

authors： Claudon M,Plouin PF,Baxter GM,Rohban T,Devos DM

更新日期：2000-03-01 00:00:00

abstract：:Purpose To evaluate the impact of accountable care organizations (ACOs) on use of screening mammography in the Medicare Shared Savings Program (MSSP), the largest value-based reimbursement program in U.S. HISTORY:Materials and Methods Institutional review board approval was waived, as the study used publicly availabl...

journal_title：Radiology

authors： Narayan AK,Harvey SC,Durand DJ

更新日期：2017-02-01 00:00:00

abstract：:A low-attenuation region around the peripheral portal tracts (periportal collar) was noted on 13 of 43 computed tomographic studies obtained in 17 patients who had undergone 20 orthotopic liver transplantations. This region was then correlated with acute liver transplant rejection. The periportal collar as a sign of r...

journal_title：Radiology

authors： Wechsler RJ,Munoz SJ,Needleman L,Kurtz AB,Miller CL,Yang SL,Maddrey WC,Jarrell BE

更新日期：1987-10-01 00:00:00

abstract：:Thrombosed arteriovenous malformations (AVMs) in children are rare lesions that may present with headaches or a seizure disorder. Thirteen patients (4 months to 21 years of age) with this lesion were examined with computed tomography (CT). In 11 patients surgical confirmation was obtained, and the other two patients w...

journal_title：Radiology

authors： Mitnick JS,Pinto RS,Lin JP,Rose H,Lieberman A

更新日期：1984-02-01 00:00:00

abstract：:Vertebral mineral loss (measured by computed tomography) was compared to peripheral mineral loss (measured by photon absorptiometry) in immobilized monkeys. Significantly greater loss was found in axial cancallous bone than in peripheral cortical bone. The accuracy of vertebral CT measurements in one animal was determ...

journal_title：Radiology

authors： Cann CE,Genant HK,Young DR

更新日期：1980-02-01 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：PURPOSE:To determine the variability of apparent diffusion coefficient (ADC) values in various anatomic regions in the upper abdomen measured with magnetic resonance (MR) systems from different vendors and with different field strengths. MATERIALS AND METHODS:Ten healthy men (mean age, 36.6 years ± 7.7 [standard devia...

journal_title：Radiology

authors： Donati OF,Chong D,Nanz D,Boss A,Froehlich JM,Andres E,Seifert B,Thoeny HC

更新日期：2014-02-01 00:00:00