Radiology of olfactory neuroblastoma.

abstract：:Extracranial applications of diffusion-weighted (DW) magnetic resonance (MR) imaging are gaining increasing importance, including in head and neck radiology. The main indications for performing DW imaging in this relatively small but challenging region of the body are tissue characterization, nodal staging, therapy mo...

journal_title：Radiology

authors： Thoeny HC,De Keyzer F,King AD

更新日期：2012-04-01 00:00:00

abstract：PURPOSE:To evaluate the use, final outcome, and positive biopsy rate of American College of Radiology ultrasonographic (US) Breast Imaging Reporting and Data System (BI-RADS) categories 3, 4, and 5 recommended for breast masses. MATERIALS AND METHODS:At US, consecutive masses, palpable and nonpalpable, categorized as ...

journal_title：Radiology

authors： Raza S,Chikarmane SA,Neilsen SS,Zorn LM,Birdwell RL

更新日期：2008-09-01 00:00:00

abstract：PURPOSE:To prospectively compare accuracy of dynamic contrast material-enhanced thin-section multi-detector row helical computed tomography (CT), high-spatial-resolution three-dimensional (3D) dynamic gadolinium-enhanced magnetic resonance (MR) imaging, and superparamagnetic iron oxide (SPIO)-enhanced MR imaging with o...

journal_title：Radiology

authors： Ward J,Robinson PJ,Guthrie JA,Downing S,Wilson D,Lodge JP,Prasad KR,Toogood GJ,Wyatt JI

更新日期：2005-10-01 00:00:00

abstract：PURPOSE:To describe the timeliness of follow-up care in community-based settings among women who receive a recommendation for immediate follow-up during the screening mammography process and how follow-up timeliness varies according to facility and facility-level characteristics. MATERIALS AND METHODS:This was an inst...

journal_title：Radiology

authors： Rosenberg RD,Haneuse SJ,Geller BM,Buist DS,Miglioretti DL,Brenner RJ,Smith-Bindman R,Taplin SH,Breast Cancer Surveillance Consortium.

更新日期：2011-11-01 00:00:00

abstract：:Background Trends in noninvasive diagnostic imaging (NDI) utilization rates have predominantly been reported in Medicare enrollees. To the authors' knowledge, there has been no prior direct comparison of utilization rates between Medicare and commercially insured patients. Purpose To analyze trends in NDI utilization ...

journal_title：Radiology

authors： Hong AS,Levin D,Parker L,Rao VM,Ross-Degnan D,Wharam JF

更新日期：2020-02-01 00:00:00

abstract：PURPOSE:To evaluate the performance of a low-b-value diffusion-weighted (DW) echo-planar (EP) imaging sequence for detection of regional and diffuse myocardial edema in patients with acute myocarditis. MATERIALS AND METHODS:This study was approved by the institutional review board, and informed consent was obtained fr...

journal_title：Radiology

authors： Potet J,Rahmouni A,Mayer J,Vignaud A,Lim P,Luciani A,Dubois-Randé JL,Kobeiter H,Deux JF

更新日期：2013-11-01 00:00:00

abstract：:Radiotherapy of verrucous carcinoma has frequently been associated with anaplastic transformation and poor response. No anaplastic transformation was observed in the 6 patients receiving radiotherapy as the primary treatment, and control of disease was favorable compared with 5 surgically treated patients. Four of the...

journal_title：Radiology

authors： Schwade JG,Wara WM,Dedo HH,Phillips TL

更新日期：1976-09-01 00:00:00

abstract：:Purpose To determine the effect of radiation dose and iterative reconstruction (IR) on noise, contrast, resolution, and observer-based detectability of subtle hypoattenuating liver lesions and to estimate the dose reduction potential of the IR algorithm in question. Materials and Methods This prospective, single-cente...

journal_title：Radiology

authors： Solomon J,Marin D,Roy Choudhury K,Patel B,Samei E

更新日期：2017-09-01 00:00:00

abstract：:Atlantoaxial subluxation is common in persons with Down syndrome. For radiologic screening to be valid, accurate measurement of the atlantoaxial distance (AAD) must be obtained from radiographs of the cervical spine. A radiopaque millimeter scale has been designed to simplify accurate measurement of the AAD from these...

journal_title：Radiology

authors： Singer SJ,Rubin IL,Strauss KJ

更新日期：1987-09-01 00:00:00

abstract：:History A 55-year-old woman presented to our breast clinic with 1-year history of lancinating pain in the right breast that was exacerbated by blunt pressure and cold temperature. She denied any family history of breast cancer or any personal history of trauma, infection, or surgery of the breast. On clinical examinat...

journal_title：Radiology

authors： El Khoury M,Tran-Tranh D,Terrone D,David J,Lalonde L,Trop I

更新日期：2014-01-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the elastographic appearance of thyroid gland tumors and explore the potential sensitivity and specificity of ultrasonographic (US) elastography for differentiating benign and malignant tumors, with histopathologic analysis as the reference standard. MATERIALS AND METHODS:The study wa...

journal_title：Radiology

authors： Lyshchik A,Higashi T,Asato R,Tanaka S,Ito J,Mai JJ,Pellot-Barakat C,Insana MF,Brill AB,Saga T,Hiraoka M,Togashi K

更新日期：2005-10-01 00:00:00

abstract：:Data on all patients with pineal body tumors and suprasellar germinomas seen at the University of California--San Francisco over a 25-year period were reviewed. Of 19 patients treated, 15 are still alive. Although treatment techniques varied, all patients received irradiation to the primary tumor site but not to the s...

journal_title：Radiology

authors： Wara WM,Fellows CF,Sheline GE,Wilson CB,Townsend JJ

更新日期：1977-07-01 00:00:00

abstract：PURPOSE:To determine the feasibility of measuring choline and glycogen concentrations in normal human liver in vivo with proton (hydrogen 1 [1H]) magnetic resonance (MR) spectroscopy. MATERIALS AND METHODS:Signed consent to participate in an institutional review board-approved and HIPAA-compliant study was obtained fr...

journal_title：Radiology

authors： Ouwerkerk R,Pettigrew RI,Gharib AM

更新日期：2012-11-01 00:00:00

abstract：:In men who otherwise seem to have responded to chemotherapy for nonseminomatous germ cell tumors (NSGCTs), enlarging masses can represent benign tissue rather than residual or recurrent malignancy. One hundred eighty-five men with negative serum tumor markers after first-line chemotherapy for NSGCT underwent surgical ...

journal_title：Radiology

authors： Panicek DM,Toner GC,Heelan RT,Bosl GJ

更新日期：1990-05-01 00:00:00

abstract：:Duplication of intrahepatic venous channels was observed in 9 of 13 children with congenital hepatic fibrosis and portal hypertension. Portal hypertension due to other causes was not associated with venous duplication. This anomaly may be a distinctive feature of congenital hepatic fibrosis with portal hypertension. ...

journal_title：Radiology

authors： Odievre M,Chaumont P,Montagne JP,Alagille D

更新日期：1977-02-01 00:00:00

abstract：PURPOSE:To assess the feasiblity of magnetic resonance (MR) susceptibility-weighted (SW) imaging as a tool to evaluate liver fibrosis grades in patients with chronic liver diseases (CLD) utilizing signal intensity (SI) measurements, with histopathologic findings as the reference standard. MATERIALS AND METHODS:This re...

journal_title：Radiology

authors： Balassy C,Feier D,Peck-Radosavljevic M,Wrba F,Witoszynskyj S,Kiefer B,Reiter G,Dai Y,Ba-Ssalamah A

更新日期：2014-01-01 00:00:00

abstract：:Gray scale ultrasonic visualization of the breast is a simple and safe technique for the detection of liquid-filled masses. Cysts and enlarged ducts as small as 2 mm in diameter can be reliably detected with a greater accuracy than is possible with any other imaging technique. The ultrasonic examination provides consi...

journal_title：Radiology

authors： Jellins J,Kossoff G,Reeve TS

更新日期：1977-10-01 00:00:00

abstract：PURPOSE:To investigate whether the pancreatic uncinate process is hypoplastic in patients with intestinal nonrotation, and to evaluate the association of hypoplasia or aplasia of the uncinate process with mesenteric vascular inversion. MATERIALS AND METHODS:Computed tomographic (CT) scans of the pancreas in five patie...

journal_title：Radiology

authors： Inoue Y,Nakamura H

更新日期：1997-11-01 00:00:00

abstract：PURPOSE:To evaluate objectively the effects of a microbubble contrast agent on the color Doppler ultrasound (US) examination of breast lesions. MATERIALS AND METHODS:Forty-seven patients aged 23-71 years underwent color Doppler US before and after intravenous injection of a microbubble contrast agent. A 3-minute compu...

journal_title：Radiology

authors： Huber S,Helbich T,Kettenbach J,Dock W,Zuna I,Delorme S

更新日期：1998-08-01 00:00:00

abstract：:Purpose To assess the patient-dependent accuracy of atlas-based attenuation correction (ATAC) for brain positron emission tomography (PET) in an integrated time-of-flight (TOF) PET/magnetic resonance (MR) imaging system. Materials and Methods Thirty recruited patients provided informed consent in this institutional re...

journal_title：Radiology

authors： Yang J,Jian Y,Jenkins N,Behr SC,Hope TA,Larson PEZ,Vigneron D,Seo Y

更新日期：2017-07-01 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：PURPOSE:To determine whether magnetic resonance (MR) imaging with diffusion-weighted (DW) imaging can help discriminate between radiologically indeterminate benign and malignant orbital masses and to identify optimal apparent diffusion coefficient (ADC) thresholds for such discrimination. MATERIALS AND METHODS:Informe...

journal_title：Radiology

authors： Sepahdari AR,Aakalu VK,Setabutr P,Shiehmorteza M,Naheedy JH,Mafee MF

更新日期：2010-08-01 00:00:00

abstract：PURPOSE:To evaluate initial radiologic findings of symptomatic intracranial vertebrobasilar dissections (VBDs) as well as the results at follow-up imaging of dissections that are conservatively managed. MATERIALS AND METHODS:The respective institutional review boards approved this retrospective study and waived the ne...

journal_title：Radiology

authors： Ahn SS,Kim BM,Suh SH,Kim DJ,Kim DI,Shin YS,Ha SY,Kwon YS

更新日期：2012-07-01 00:00:00

abstract：:In situ saphenous vein grafts are being used with increasing frequency for bypass procedures involving the femoral and popliteal arteries. Complications of these procedures include anastomotic stenoses and persistent arteriovenous fistulae that may result in failure of the graft. Balloon angioplasty and embolotherapy ...

journal_title：Radiology

authors： Kinnison ML,Perler BA,Kaufman SL,Mitchell SE,Kadir S,Williams GM,White RI Jr

更新日期：1986-09-01 00:00:00

abstract：PURPOSE:To determine whether hepatosplenomegaly was a reproducible finding in seven neonates who were being treated with extracorporeal membrane oxygenation (ECMO) for respiratory failure. MATERIALS AND METHODS:The authors measured splenic and hepatic dimensions with ultrasound (US) at the time ECMO was initiated and ...

journal_title：Radiology

authors： Klippenstein DL,Zerin JM,Hirschl RB,Donn SM

更新日期：1994-02-01 00:00:00

abstract：:Fluoroscopically guided percutaneous needle aspiration of focal pulmonary lesions was performed in 108 presumed infectious episodes in 82 immunocompromised patients in whom prior diagnostic studies, including transtracheal aspiration, were negative to inconclusive. Two-thirds of the lesions were 4 cm or smaller. Singl...

journal_title：Radiology

authors： Castellino RA,Blank N

更新日期：1979-09-01 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：PURPOSE:To assess the effect of using a lossy Joint Photographic Experts Group standard for wavelet image compression, JPEG2000, on pulmonary nodule detection at low-dose computed tomography (CT). MATERIALS AND METHODS:One hundred sets of lung CT data ("cases") were compressed to 30:1, 20:1, and 10:1 levels by using a...

journal_title：Radiology

authors： Ko JP,Rusinek H,Naidich DP,McGuinness G,Rubinowitz AN,Leitman BS,Martino JM

更新日期：2003-07-01 00:00:00

abstract：PURPOSE:To determine the safety and diagnostic accuracy of a provocative protocol with heparin and urokinase to induce bleeding and determine the source in patients with chronic gastrointestinal hemorrhage. MATERIALS AND METHODS:Nine patients had gastrointestinal bleeding from an indeterminate source and had negative ...

journal_title：Radiology

authors： Malden ES,Hicks ME,Royal HD,Aliperti G,Allen BT,Picus D

更新日期：1998-04-01 00:00:00

abstract：:Sports-related muscle pain is frequent in both trained and untrained persons; however, its severity and significance may be difficult to assess clinically. The authors used magnetic resonance (MR) imaging to evaluate acute strains and delayed-onset muscle soreness in sedentary subjects and postmarathon myalgia in trai...

journal_title：Radiology

authors： Fleckenstein JL,Weatherall PT,Parkey RW,Payne JA,Peshock RM

更新日期：1989-09-01 00:00:00