Thallium-201 distribution in the thyroid: relationship to thyroidal trapping function.

abstract：PURPOSE:To present an unenhanced four-dimensional time-resolved dynamic magnetic resonance (MR) angiography technique with true fast imaging with steady-state precession-based spin tagging with alternating radiofrequency (STAR), also called TrueSTAR. MATERIALS AND METHODS:This study received Institutional Review Board...

journal_title：Radiology

authors： Yan L,Wang S,Zhuo Y,Wolf RL,Stiefel MF,An J,Ye Y,Zhang Q,Melhem ER,Wang DJ

更新日期：2010-07-01 00:00:00

abstract：PURPOSE:To determine whether changes at diffusion-tensor magnetic resonance (MR) imaging were present in children with intractable epilepsy and focal cortical dysplasia (FCD) in (a) subcortical white matter subjacent to MR imaging-visible areas of FCD, (b) subcortical white matter beyond the MR imaging-visible abnormal...

journal_title：Radiology

authors： Widjaja E,Zarei Mahmoodabadi S,Otsubo H,Snead OC,Holowka S,Bells S,Raybaud C

更新日期：2009-04-01 00:00:00

abstract：PURPOSE:To review the ultrasonographic (US), computed tomographic (CT), and magnetic resonance (MR) imaging findings in 13 patients with telangiectatic focal nodular hyperplasia (FNH) and to compare imaging features with histopathologic results from resected specimens. MATERIALS AND METHODS:US, helical multiphasic CT,...

journal_title：Radiology

authors： Attal P,Vilgrain V,Brancatelli G,Paradis V,Terris B,Belghiti J,Taouli B,Menu Y

更新日期：2003-08-01 00:00:00

abstract：:An unusual case of pneumatosis coli is presented. The patient had acute inflammatory disease with gangrene of the appendix associated with air within the wall of the contiguous right colon. ...

journal_title：Radiology

authors： DiDonato LR

更新日期：1976-07-01 00:00:00

abstract：PURPOSE:To evaluate the use of simultaneous defecography and peritoneography (defecoperitoneography) in patients with an unexplained widening of the rectovaginal space noted at defecography. MATERIALS AND METHODS:Twenty-two patients with unexplained widening of the rectovaginal space noted at defecography were studied...

journal_title：Radiology

authors： Bremmer S,Mellgren A,Holmström B,López A,Udén R

更新日期：1997-02-01 00:00:00

abstract：PURPOSE:To evaluate radiologic findings of peripheral T-cell lymphoma (PTCL) of the colon at double-contrast barium enema examination. MATERIALS AND METHODS:Double-contrast barium enema findings in six patients with pathologically proved PTCL of the colon were retrospectively evaluated and compared with colonoscopic a...

journal_title：Radiology

authors： Lee HJ,Han JK,Kim TK,Kim YH,Kim KW,Choi BI

更新日期：2001-03-01 00:00:00

abstract：PURPOSE:To retrospectively assess the use of the European Society of Urogenital Radiology (ESUR) Prostate Imaging Reporting and Data System (PI-RADS) criteria and 3-T multiparametric magnetic resonance (MR) imaging for detection of extraprostatic extension (EPE) of prostate cancer. MATERIALS AND METHODS:The institutio...

journal_title：Radiology

authors： Kayat Bittencourt L,Litjens G,Hulsbergen-van de Kaa CA,Turkbey B,Gasparetto EL,Barentsz JO

更新日期：2015-08-01 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：: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 assess the value of magnetic resonance (MR) imaging in the diagnosis of pelvic inflammatory disease (PID) and to compare MR imaging with transvaginal ultrasonography (US) and laparoscopy. MATERIALS AND METHODS:Thirty consecutive patients hospitalized because they were clinically suspected of having PID unde...

journal_title：Radiology

authors： Tukeva TA,Aronen HJ,Karjalainen PT,Molander P,Paavonen T,Paavonen J

更新日期：1999-01-01 00:00:00

abstract：:Sixteen patients with biliary atresia and 11 patients with neonatal hepatitis were studied preoperatively with either Tc-99m-diethyl-IDA or TC-99m-diisopropyl-IDA. Two parameters were evaluated: hepatocyte clearance and time to appearance of radioactivity in the intestine. Two observers, using a visual grading system ...

journal_title：Radiology

authors： Gerhold JP,Klingensmith WC 3rd,Kuni CC,Lilly JR,Silverman A,Fritzberg AR,Nixt TL

更新日期：1983-02-01 00:00:00

abstract：:In an effort to minimize distortion and artifacts on magnetic resonance images obtained with electrocardiographic (ECG) gating, the authors tested the use of ECG electrodes and leads made of carbon fiber. These materials caused no image degradation and, because the leads were reinforced with plastic, were less vulnera...

journal_title：Radiology

authors： van Genderingen HR,Sprenger M,de Ridder JW,van Rossum AC

更新日期：1989-06-01 00:00:00

abstract：:The authors describe an adaptive motion correction method for three-dimensional magnetic resonance (MR) imaging. Three-dimensional imaging offers many advantages over two-dimensional multisection imaging but is susceptible to image corruption due to motion. Thus, it has been of limited use in the imaging of mobile str...

journal_title：Radiology

authors： Korin HW,Felmlee JP,Ehman RL,Riederer SJ

更新日期：1990-10-01 00:00:00

abstract：PURPOSE:To prospectively evaluate multiobserver diagnostic performance and reader agreement for colorectal polyp detection in a well-characterized cohort of patients with increased number of polyps, compared with an average-risk patient, with colonoscopy as the reference standard. MATERIALS AND METHODS:A cohort of 70 ...

journal_title：Radiology

authors： McFarland EG,Pilgram TK,Brink JA,McDermott RA,Santillan CV,Brady PW,Heiken JP,Balfe DM,Weinstock LB,Thyssen EP,Littenberg B

更新日期：2002-11-01 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：:Magnetic resonance (MR) imaging of the hip has been useful in the examination of patients for the presence of avascular necrosis (AVN). In the detection of AVN, MR imaging is more sensitive than computed tomography or nuclear scintigraphy. This study assessed the usefulness of MR imaging in the differentiation of AVN ...

journal_title：Radiology

authors： Glickstein MF,Burk DL Jr,Schiebler ML,Cohen EK,Dalinka MK,Steinberg ME,Kressel HY

更新日期：1988-10-01 00:00:00

abstract：:The sonographic appearance in 4 cases of primary carcinoma of the gallbladder is correlated with the surgical and pathological findings. A fungating tumor had the greatest chance of resection, with findings dependent on the location and size of the mass. Infiltrating lesions were highly malignant. In less advanced cas...

journal_title：Radiology

authors： Yum HY,Fink AH

更新日期：1980-03-01 00:00:00

abstract：PURPOSE:To determine long-term results of the prospective Dutch Iliac Stent Trial. MATERIALS AND METHODS:The study protocol was approved by local institutional review boards. All patients gave written informed consent. Two hundred seventy-nine patients (201 men, 78 women; mean age, 58 years) with iliac artery disease ...

journal_title：Radiology

authors： Klein WM,van der Graaf Y,Seegers J,Spithoven JH,Buskens E,van Baal JG,Buth J,Moll FL,Overtoom TT,van Sambeek MR,Mali WP

更新日期：2006-02-01 00:00:00

abstract：PURPOSE:To investigate the effects of increasing doses of angiotensin II on hepatic hemodynamics in the normal rabbit liver and in hepatic VX2 tumors by using dynamic contrast material-enhanced perfusion computed tomography (CT). MATERIALS AND METHODS:This study was approved by the institutional animal care and use co...

journal_title：Radiology

authors： Wright KC,Ravoori MK,Dixon KA,Han L,Singh SP,Liu P,Gupta S,Johnson VE,Kan Z,Kundra V

更新日期：2011-09-01 00:00:00

abstract：:The purpose of the study was to prospectively evaluate a whole-body magnetic resonance (MR) imaging protocol to help depict metastases by using unenhanced T2-weighted and contrast material-enhanced T1-weighted real-time sequences during continuous table movement. The study was conducted after approval of the local ins...

journal_title：Radiology

authors： Brauck K,Zenge MO,Vogt FM,Quick HH,Stock F,Trarbach T,Ladd ME,Barkhausen J

更新日期：2008-03-01 00:00:00

abstract：:Purpose The Radiological Society of North America (RSNA) Pediatric Bone Age Machine Learning Challenge was created to show an application of machine learning (ML) and artificial intelligence (AI) in medical imaging, promote collaboration to catalyze AI model creation, and identify innovators in medical imaging. Materi...

journal_title：Radiology

authors： Halabi SS,Prevedello LM,Kalpathy-Cramer J,Mamonov AB,Bilbily A,Cicero M,Pan I,Pereira LA,Sousa RT,Abdala N,Kitamura FC,Thodberg HH,Chen L,Shih G,Andriole K,Kohli MD,Erickson BJ,Flanders AE

更新日期：2019-02-01 00:00:00

abstract：PURPOSE:To evaluate dynamic magnetic resonance (MR) defecography performed with a superconducting, open-configuration system in diagnosis of defecation disorders. MATERIALS AND METHODS:Five healthy volunteers and 15 patients with defecation disorders were studied with MR defecography performed with a superconducting, ...

journal_title：Radiology

authors： Schoenenberger AW,Debatin JF,Guldenschuh I,Hany TF,Steiner P,Krestin GP

更新日期：1998-03-01 00:00:00

abstract：:Uterine fibroids occur in approximately 50% of women over the age of 40 years, and an estimated 50% of those are symptomatic. Menorrhagia is the most common symptom and the primary indication for treatment, although bulk symptoms often occur and can be treated. Pharmacotherapy is typically inadequate unless it can be ...

journal_title：Radiology

authors： Silberzweig JE,Powell DK,Matsumoto AH,Spies JB

更新日期：2016-09-01 00:00:00

abstract：:58 cases of breast cancer treated primarily by radiotherapy were evaluated to determine the optimum dose for local control. Of 36 patients with T1 + T2 lesions who had tumorectomy prior to radiotherapy, incomplete excision of tumor was demonstrated on microscopic examination in 18. The minimum tumor dose to the breast...

journal_title：Radiology

authors： Ghossein NA,Stacey P,Alpert RT,Ager PJ,Krishnaswamy V

更新日期：1976-11-01 00:00:00

abstract：PURPOSE:To evaluate the prognostic value of volumetric computed tomography (CT) for therapy control in patients treated with repeated transarterial chemoembolization (TACE) for hepatocellular carcinoma (HCC). MATERIALS AND METHODS:Eighty-five patients with histologically proved HCC underwent 182 TACE procedures with 5...

journal_title：Radiology

authors： Vogl TJ,Trapp M,Schroeder H,Mack M,Schuster A,Schmitt J,Neuhaus P,Felix R

更新日期：2000-02-01 00:00:00

abstract：:Internal contamination by 131I among the personnel in a nuclear medicine laboratory was surveyed from January to July, 1979. Because of the formulation change made by the manufacturer in April to reduce volatility, it was possible to study two different therapeutic solutions of 131I. Internal contamination of personne...

journal_title：Radiology

authors： Nishiyama H,Lukes SJ,Mayfield G,Grossman LW

更新日期：1980-12-01 00:00:00

abstract：PURPOSE:To investigate neuronal activations during processing of radiologic and nonradiologic images by experienced radiologists and nonradiologist subjects by using event-related functional magnetic resonance (MR) imaging. MATERIALS AND METHODS:Study was approved by local ethics committee, and informed consent was ob...

journal_title：Radiology

authors： Haller S,Radue EW

更新日期：2005-09-01 00:00:00

abstract：:Noninvasive breast cancer comprises two distinct entities, lobular carcinoma in situ (LCIS) and ductal carcinoma in situ (DCIS). The increased use of screening mammography has caused more cases of noninvasive breast cancer to be discovered. However, the increased detection of LCIS and DCIS has posed problems in patien...

journal_title：Radiology

authors： Rebner M,Raju U

更新日期：1994-03-01 00:00:00

abstract：:Fifteen cases of smooth muscle tumor of the alimentary tract were collected for analysis from several institutions. The findings showed that angiography is the best method available for diagnosis and evaluation of such tumors but is unable to differentiate benign from malignant lesions unless arterial invasion is dete...

journal_title：Radiology

authors： Uflacker R,Amaral NM,Lima S,Wholey M,Pereira EC,Nobrega Filho M,Tavares T

更新日期：1981-05-01 00:00:00

abstract：:Radiologic evaluation of frontal sinus fractures is instrumental in determining the need for surgery. Computed tomography (CT) is an excellent modality for evaluation of frontal sinus trauma, particularly for anterior and posterior wall fractures. However, fractures of the nasofrontal duct are more difficult to deline...

journal_title：Radiology

authors： Harris L,Marano GD,McCorkle D

更新日期：1987-10-01 00:00:00