Carotid artery invasion by head and neck masses: prediction with MR imaging.

abstract：PURPOSE:To evaluate, by using computer image analysis, the mammographic density patterns of women with germ-line mutations in BRCA1 and BRCA2 genes in comparison with those of women at low risk of developing breast cancer. MATERIALS AND METHODS:Mammograms from 30 carriers of BRCA1 and BRCA2 mutations and from 142 low-...

journal_title：Radiology

authors： Huo Z,Giger ML,Olopade OI,Wolverton DE,Weber BL,Metz CE,Zhong W,Cummings SA

更新日期：2002-11-01 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：:Sixteen patients with peripheral cholangiocarcinoma of the liver were examined with computed tomography (CT). None of the 16 patients presented with jaundice or had documented cirrhosis. On scans obtained both before and after the injection of contrast material, the tumors were depicted as low-attenuation masses in al...

journal_title：Radiology

authors： Choi BI,Park JH,Kim YI,Yu ES,Kim SH,Kim WH,Kim CY,Han MC

更新日期：1988-10-01 00:00:00

abstract：PURPOSE:To prospectively determine the accuracy of using an ultrasonographic (US) strain imaging technique known as lesion size comparison to differentiate benign from malignant breast lesions. MATERIALS AND METHODS:Institutional Review Board approval and patient informed consent were obtained for this HIPPA-compliant...

journal_title：Radiology

authors： Regner DM,Hesley GK,Hangiandreou NJ,Morton MJ,Nordland MR,Meixner DD,Hall TJ,Farrell MA,Mandrekar JN,Harmsen WS,Charboneau JW

更新日期：2006-02-01 00:00:00

abstract：:History A 52-year-old man with a history of urinary tract infections and a previous clinical diagnosis of left inguinal hernia presented to the nephrologist with recent onset of dysuria and increasing swelling in the left inguinoscrotal region in the absence of fever or scrotal trauma. There was no relevant surgical o...

journal_title：Radiology

authors： Di Nicolò P,Aleo D,Riccioli E,Granata A

更新日期：2016-06-01 00:00:00

abstract：:Relaxation times (T1 and T2) were measured in vivo in mongrel dogs at fields of 0.3, 0.5, 1.0, 1.35, and 1.5 tesla (T). T1 was measured using nine values of inversion time ranging from 10 to 1,280 msec. T2 was measured with a four-point multiple spin-echo sequence. Relaxation times were calculated for muscle, kidney c...

journal_title：Radiology

authors： Johnson GA,Herfkens RJ,Brown MA

更新日期：1985-09-01 00:00:00

abstract：:Six commercially available movable core guide wires were compared with each other and with a new design in glass models simulating tortuous vessels. The results demonstrate a wide variability in performance of the commercially available wires and the superiority of the new design. ...

journal_title：Radiology

authors： Smith TP,Derauf BJ,Darcy MD,Hunter DW,Castaneda-Zuniga WR,Amplatz K

更新日期：1986-05-01 00:00:00

abstract：:The authors describe the use of neodymium yttrium aluminum garnet laser introduced via a percutaneous catheter track for photocoagulation of a bleeding bile duct tumor. ...

journal_title：Radiology

authors： Carpenter CM,Bowers JH,Luers PR,Dixon JA,Miller FJ

更新日期：1983-09-01 00:00:00

abstract：PURPOSE:To determine whether vascular, ischemic, and inflammatory causes of bowel wall thickening in children can be differentiated at gray-scale and color Doppler ultrasonography (US). MATERIALS AND METHODS:Thirty-seven children with acute bowel disease underwent graded compression US. Findings of bowel wall thicknes...

journal_title：Radiology

authors： Siegel MJ,Friedland JA,Hildebolt CF

更新日期：1997-06-01 00:00:00

abstract：:Eighty-nine patients were evaluated for coronary artery disease (CAD) with exercise radionuclide ventriculography (ERV) and contrast coronary angiography. In 70 patients with documented lesions the ERV was abnormal in 65 for a sensitivity of 93%. In patients with normal coronary arteries, the ERV was abnormal in none ...

journal_title：Radiology

authors： Brady TJ,Thrall JH,Clare JM,Rogers WL,Lo K,Pitt B

更新日期：1979-09-01 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 validate accuracy of diagnosis of developmental dysplasia of the hip (DDH) from geometric properties of acetabular shape extracted from three-dimensional (3D) ultrasonography (US). Materials and Methods In this retrospective multi-institutional study, 3D US was added to conventional two-dimensional (2D) US ...

journal_title：Radiology

authors： Zonoobi D,Hareendranathan A,Mostofi E,Mabee M,Pasha S,Cobzas D,Rao P,Dulai SK,Kapur J,Jaremko JL

更新日期：2018-06-01 00:00:00

abstract：PURPOSE:To optimize detection and diagnosis of breast lesions with contrast-enhanced magnetic resonance (MR) imaging. MATERIALS AND METHODS:A three-dimensional fast low-angle shot pulse sequence was used for a group comparison consisting of 76 high-dose (0.16 mmol gadopentetate dimeglumine per kilogram of body weight)...

journal_title：Radiology

authors： Heywang-Köbrunner SH,Haustein J,Pohl C,Beck R,Lommatzsch B,Untch M,Nathrath WB

更新日期：1994-06-01 00:00:00

abstract：PURPOSE:Evaluate effect of prostatic irradiation on erectile function. MATERIALS AND METHODS:Forty-seven male adult rats were divided into three groups according to a single radiation dose to the prostate: control (no irradiation) (n = 15), 1,000 cGy (n = 15), and 2,000 cGy (n = 17). Five months after irradiation, rat...

journal_title：Radiology

authors： Carrier S,Hricak H,Lee SS,Baba K,Morgan DM,Nunes L,Ross GY,Phillips TL,Lue TF

更新日期：1995-04-01 00:00:00

abstract：PURPOSE:To compare the long-term therapeutic outcomes of radiofrequency (RF) ablation for small perivascular hepatocellular carcinoma (HCC) and nonperivascular HCC. MATERIALS AND METHODS:This retrospective study was approved by the institutional review board. Between December 2004 and April 2008, 241 patients (175 men...

journal_title：Radiology

authors： Kang TW,Lim HK,Lee MW,Kim YS,Choi D,Rhim H

更新日期：2014-03-01 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：:The chest radiographs of 24 patients with documented Legionnaires' disease were evaluated. Twenty-two of the 24 patients had positive findings for the disease initially. There was unilateral involvement in 68% and the most common lung shadows were poorly marginated round opacities (46%), diffuse patchy (25%) and perip...

journal_title：Radiology

authors： Dietrich PA,Johnson RD,Fairbank JT,Walke JS

更新日期：1978-06-01 00:00:00

abstract：:The pulmonary manifestations of blastomycosis were observed in 51 patients and correlated with their location in the lungs and the clinical appearance of the patient. Blastomycosis is primarily an airbone infection that occurs in both acute and chronic forms and follows a specific pathway within the lungs. It must be ...

journal_title：Radiology

authors： Rabinowitz JG,Busch J,Buttram WR

更新日期：1976-07-01 00:00:00

abstract：:Diatrizoate (76%) contrast agent heated to 100 degrees C was injected into the veins of dogs and one human volunteer for the nonsurgical occlusion of the vessels. Follow-up venograms and histologic examinations, at intervals varying from one day to four weeks later, revealed thrombosis of the injected veins in all ani...

journal_title：Radiology

authors： Rholl KS,Rysavy JA,Vlodaver Z,Cragg AH,Castaneda-Zuniga WR,Amplatz K

更新日期：1982-11-01 00:00:00

abstract：:The authors report their experience with magnetic resonance imaging (MR) in 20 patients with CT-proved lymphadenopathy of the abdomen and pelvis. Signal intensity from abnormal nodes was intermediate between fat and muscle (T1 longer than fat and muscle; T2 equal to or slightly shorter than fat but longer than muscle)...

journal_title：Radiology

authors： Lee JK,Heiken JP,Ling D,Glazer HS,Balfe DM,Levitt RG,Dixon WT,Murphy WA Jr

更新日期：1984-10-01 00:00:00

abstract：PURPOSE:To assess the spectrum of complications after emergency tube thoracostomy (TT) and show the role of computed tomography (CT) in detection of these abnormalities. MATERIALS AND METHODS:CT scans, chest radiographs, and clinical data were reviewed in 51 patients (77 tubes) who underwent emergency TT after trauma....

journal_title：Radiology

authors： Baldt MM,Bankier AA,Germann PS,Pöschl GP,Skrbensky GT,Herold CJ

更新日期：1995-05-01 00:00:00

abstract：PURPOSE:To investigate the effect of different iodine concentrations of contrast material on aortic and hepatic enhancement and the detectability of hypervascular hepatocellular carcinoma (HCC) with multi-detector row computed tomography (CT) and a uniphasic contrast material injection technique. MATERIALS AND METHODS...

journal_title：Radiology

authors： Awai K,Takada K,Onishi H,Hori S

更新日期：2002-09-01 00:00:00

abstract：:Capabilities of computed tomography (CT) and magnetic resonance (MR) imaging in the diagnosis of cerebellopontine angle-petromastoid (CPA-PM) lesions were compared in 75 patients. CT and MR demonstrated 95.8% and 98.7% of the lesions, respectively. MR was often more helpful for characterization of neuromas, epidermoid...

journal_title：Radiology

authors： Gentry LR,Jacoby CG,Turski PA,Houston LW,Strother CM,Sackett JF

更新日期：1987-02-01 00:00:00

abstract：:The wide variation in absorber thickness characteristic of the posteroanterior projection of the chest routinely results in film underexposure and attendant suboptimal contrast in the mediastinal, retrocardiac, and diaphragmatic regions. We propose a special scanning system to deliver a more uniform film exposure over...

journal_title：Radiology

authors： Plewes DB,Wandtke JC

更新日期：1982-03-01 00:00:00

abstract：:The radionuclide, radiographic and pathologic findings in a patient with progressive multifocal leukoencephalopathy were correlated. Radionuclide imaging demonstrated the largest two of the many lesions observed at pathology. On repeated studies, one of the lesions developed a "doughnut" sign due to central necrosis. ...

journal_title：Radiology

authors： Kirsh J,Rosenthall L,Finlayson MH,Wee R

更新日期：1976-05-01 00:00:00

abstract：:Numerous in vitro studies have found that clot formation may occur when blood is mixed directly with nonionic low-osmolality contrast media during angiographic procedures because of activation of hemostasis in the catheter; ionic contrast media, on the other hand, inhibit clot formation. Thirty patients were injected ...

journal_title：Radiology

authors： Casalini E

更新日期：1992-06-01 00:00:00

abstract：:Purpose To compare long-term graft and patient survival after percutaneous angioplasty (PTA) or stent placement for transplant renal artery stenosis (TRAS) with a control cohort without TRAS. Materials and Methods This is a retrospective matched cohort study of 41 patients (median age, 49 years; range, 18-72 years), i...

journal_title：Radiology

authors： Patel U,Kumar S,Johnson OW,Jeon JH,Das R

更新日期：2019-02-01 00:00:00

abstract：:The author's experience with 72 patients with impotence, one patient with Peyronie disease (no impotence), and two healthy volunteers indicates that incompetence of the venocclusive mechanism of the corpora cavernosa is probably the most common cause of vasculogenic impotence. Manometric and angiographic studies are t...

journal_title：Radiology

authors： Bookstein JJ

更新日期：1987-07-01 00:00:00

abstract：PURPOSE:To compare observer performance by using soft-copy images produced by an amorphous silicon flat-panel-detector system and a storage-phosphor system for the detection of simulated chest lesions. MATERIALS AND METHODS:To test the diagnostic performance of these two systems, four types of simulated lesions (nodul...

journal_title：Radiology

authors： Goo JM,Im JG,Lee HJ,Chung MJ,Seo JB,Kim HY,Lee YJ,Kang JW,Kim JH

更新日期：2002-07-01 00:00:00

abstract：PURPOSE:To evaluate the long-term clinical and hemodynamic effectiveness of aortic stent placement in cases of failure of intended infrarenal percutaneous transluminal aortic angioplasty (PTAA). MATERIALS AND METHODS:Fifty-three patients who underwent technically successful PTAA were compared with 24 patients who unde...

journal_title：Radiology

authors： Therasse E,Côté G,Oliva VL,Cusson JR,Wistaff R,Nguyen PV,Bui BT,Perreault P,Lamarre L,Soulez G

更新日期：2001-06-01 00:00:00