The nonspecificity of absorption coefficients in the differentiation of solid tumors and cystic lesions.

abstract：:Hemodialysis catheters are an integral part of the delivery of hemodialysis. While catheters play an important role in the patient undergoing hemodialysis, catheters should be considered a bridge to more permanent forms of dialysis access in most patients. Recent advances in catheter technology, access techniques, and...

journal_title：Radiology

authors： Trerotola SO

更新日期：2000-06-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the accuracy of contrast material-enhanced magnetic resonance (MR) angiography in the evaluation of vascular invasion by bone and soft-tissue tumors, with surgery serving as the reference standard. MATERIALS AND METHODS:This study was approved by the regional ethics committee, and all...

journal_title：Radiology

authors： Feydy A,Anract P,Tomeno B,Chevrot A,Drapé JL

更新日期：2006-02-01 00:00:00

abstract：:Background It is uncertain whether a deep learning-based automatic detection algorithm (DLAD) for identifying malignant nodules on chest radiographs will help diagnose lung cancers. Purpose To evaluate the efficacy of using a DLAD in observer performance for the detection of lung cancers on chest radiographs. Material...

journal_title：Radiology

authors： Jang S,Song H,Shin YJ,Kim J,Kim J,Lee KW,Lee SS,Lee W,Lee S,Lee KH

更新日期：2020-09-01 00:00:00

abstract：PURPOSE:To determine if oxidative and nitrative stress and/or apoptosis contribute to increased coagulation when combining radiofrequency (RF) ablation with liposomal doxorubicin. MATERIALS AND METHODS:Animal care committee approval was obtained. R3230 mammary adenocarcinomas in Fischer rats were treated with either R...

journal_title：Radiology

authors： Solazzo SA,Ahmed M,Schor-Bardach R,Yang W,Girnun GD,Rahmanuddin S,Levchenko T,Signoretti S,Spitz DR,Torchilin V,Goldberg SN

更新日期：2010-04-01 00:00:00

abstract：PURPOSE:To determine whether enhancement at multiphasic multidetector computed tomography (CT) can help differentiate clear cell renal cell carcinoma (RCC) from oncocytoma, papillary RCC, and chromophobe RCC. MATERIALS AND METHODS:With institutional review board approval for this HIPAA-compliant retrospective study, t...

journal_title：Radiology

authors： Young JR,Margolis D,Sauk S,Pantuck AJ,Sayre J,Raman SS

更新日期：2013-05-01 00:00:00

abstract：:An adaptation of the Papillon technique was developed in which a superficial x-ray machine was used for treatment of small superficially invasive rectal carcinomas. Modification of the proctoscope-treatment cone apparatus, including addition of a fiberoptic scope, allows confirmation of accurate cone placement through...

journal_title：Radiology

authors： Matar JR,Coffey C 2nd,Maruyama Y

更新日期：1988-08-01 00:00:00

abstract：:Comparison radiographs may be used to confirm subtle extremity fractures or dislocations in children. Some suggest that such views be routinely obtained. As determined by questionnaire, however, a clear majority (2:1) of pediatric radiologists do not currently utilize this procedure. Factors determining this are discu...

journal_title：Radiology

authors： Merten DF

更新日期：1978-01-01 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 correlate pulsatility index (PI) and resistive index (RI) measured at early specific intervals after transplantation with 1-year estimated glomerular filtration rate (eGFR) and death-censored transplant survival to assess the long-term prognostic value of these Doppler indexes. MATERIALS AND METHODS:The loc...

journal_title：Radiology

authors： McArthur C,Geddes CC,Baxter GM

更新日期：2011-04-01 00:00:00

abstract：:During a 16-year period, 42,888 clinical and radiographic breast studies were performed on 8,000 women. Of this number, 1,161 malignant and 5,270 benign lesions were histologically confirmed. Biopsy of 468 of the 721 breasts that had clustered calcifications not associated with a mass and that were subject to a five- ...

journal_title：Radiology

authors： Egan RL,McSweeney MB,Sewell CW

更新日期：1980-10-01 00:00:00

abstract：PURPOSE:To evaluate the magnetic resonance (MR) imaging features of the developing femur in fetal pig specimens. MATERIALS AND METHODS:MR images of 15 fetal pig femurs, which were categorized into three groups of specimens representing each third of the gestational period, were used to compare increasing femoral lengt...

journal_title：Radiology

authors： Connolly SA,Jaramillo D,Hong JK,Shapiro F

更新日期：2004-11-01 00:00:00

abstract：:The effects of 30-minute intravenous and superior mesenteric artery (SMA) infusions of vasopressin in dosages of 2.75 mU and 14 mU per min per kg were compared in five dogs that had cirrhosis and portal hypertension induced by fractionated intraportal polyvinyl alcohol injections. A reduction in portal pressure of app...

journal_title：Radiology

authors： Burgener FA,Gutierrez OH

更新日期：1982-03-01 00:00:00

abstract：:Blunt trauma to the abdomen is the main cause of pancreatic injury in childhood. One of the most common causes of injury is child abuse. Pancreatitis, pancreatic pseudocyst, and loculated peripancreatic effusion are sequellae of this trauma. The diagnosis of these lesions is aided by ultrasound. Pancreatic injury in c...

journal_title：Radiology

authors： Slovis TL,VonBerg VJ,Mikelic V

更新日期：1980-04-01 00:00:00

abstract：:An inflammatory polyps of the renal pelvis that caused a mass effect at excretory urography simulated transitional cell carcinoma. In the differential diagnoses of intracalyceal masses, therefore, inflammatory polyp must be considered. ...

journal_title：Radiology

authors： Reuter KL,Krolikowski FJ,D'Orsi CJ,Yu D,Raptopoulos VD

更新日期：1982-08-01 00:00:00

abstract：PURPOSE:To evaluate the usefulness of a new computed tomographic (CT) sign of "draped aorta" in the diagnosis of a contained leak in an aortic aneurysm. MATERIALS AND METHODS:CT scans were retrospectively evaluated in 10 patients in whom an unidentifiable aortic wall and posterior aspect of the aorta that followed the...

journal_title：Radiology

authors： Halliday KE,al-Kutoubi A

更新日期：1996-04-01 00:00:00

abstract：:Carotid arterial endarterectomy is considered to be the standard for the treatment of atherosclerotic carotid arterial occlusive disease. This has been validated with results of several randomized controlled trials in which its effectiveness has been demonstrated over that of the best nonsurgical therapy. In the past ...

journal_title：Radiology

authors： Phatouros CC,Higashida RT,Malek AM,Meyers PM,Lempert TE,Dowd CF,Halbach VV

更新日期：2000-10-01 00:00:00

abstract：:The dynamics of white blood cell (WBC) and 67Ga-citrate accumulation were studied in rabbits with subcutaneous polyethylene chambers. Uninfected chamber fluid (CF) contained less than 1,000 WBCs/mm3, most of which were mononuclear. After 67Ga injection, radioactivity increased slowly in uninfected fluid, peaked betwee...

journal_title：Radiology

authors： Tight RR,Siddiqui AR

更新日期：1981-07-01 00:00:00

abstract：:Skull scintigraphy was performed in 68 children with suspected craniosynostosis after injection of technetium-99m methylene diphosphonate. The scans demonstrated four patterns of sutural activity: normal, absent, increased, and wide. When correlated with surgical findings, "absent" indicated fused sutures, "increased"...

journal_title：Radiology

authors： Tait MV,Gilday DL,Ash JM,Boldt DJ,Harwood-Nash DC,Fitz CR,Barry J

更新日期：1979-12-01 00:00:00

abstract：:Cyst formation is an uncommon pathologic finding in heterotopic pancreas. It is sometimes reported in a duodenal location but very rarely in a gastric location and leads to very large lesions of unusual endoscopic and radiographic appearance. Two cases of gastric heterotopic pancreas are described in which cystic zone...

journal_title：Radiology

authors： Claudon M,Verain AL,Bigard MA,Boissel P,Poisson P,Floquet J,Regent D

更新日期：1988-12-01 00:00:00

abstract：PURPOSE:To prospectively investigate steady-state blood volume measurements for early quantitative monitoring of antiangiogenic treatment with ultrasmall superparamagnetic iron oxide (USPIO)-enhanced magnetic resonance (MR) imaging. MATERIALS AND METHODS:The institutional animal care committee approved all experiments...

journal_title：Radiology

authors： Persigehl T,Bieker R,Matuszewski L,Wall A,Kessler T,Kooijman H,Meier N,Ebert W,Berdel WE,Heindel W,Mesters RM,Bremer C

更新日期：2007-08-01 00:00:00

abstract：:Remote viewing of ultrasound scans facilitates assessment of a student's technique while minimizing anxiety for both him and the patient. This method may also be effective for the busy physician who must monitor several procedures at the same time. ...

journal_title：Radiology

authors： Raskin MM,Vining PE

更新日期：1979-07-01 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：:Persistent pain and decreased range of motion are disabling complications of wrist trauma. Between 1978 and 1986, in ten patients with persistent pain following trauma, arthrography depicted changes characteristic of adhesive capsulitis. Adhesive capsulitis has been described in the shoulder, hip, and ankle, but littl...

journal_title：Radiology

authors： Maloney MD,Sauser DD,Hanson EC,Wood VE,Thiel AE

更新日期：1988-04-01 00:00:00

abstract：:Magnetic resonance line scan diffusion imaging of the brain, with diffusion weighting between 5 and 5,000 sec/mm(2), was performed in healthy subjects and patients with a 1.5-T machine. For each voxel, biexponential signal decay fits produced two apparent diffusion constants and respective signal amplitudes. Images ba...

journal_title：Radiology

authors： Maier SE,Bogner P,Bajzik G,Mamata H,Mamata Y,Repa I,Jolesz FA,Mulkern RV

更新日期：2001-06-01 00:00:00

abstract：:History A 43-year-old right-handed man presented with a history of progressive mild left-sided weakness and slowness of movements. Symptoms began 4 years earlier, and the patient noticed a progressive decline in his daily routine due to gait difficulties in the past year. There was no history of head trauma, surgery, ...

journal_title：Radiology

authors： Vale TC,de Lima Pinto FC,Pedroso JL,Alves Dos Reis M,Batista IR,Affonseca Bressan R,Magalhães Rivero RL,Mendonça RA,Barsottini OG

更新日期：2017-05-01 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：:There are few data in the literature on the abdominal manifestations of sarcoidosis at computed tomography (CT). To determine whether differences in nodal distribution and appearance can be reliably used to distinguish between sarcoidosis and non-Hodgkin lymphoma (NHL), the authors retrospectively reviewed the abdomin...

journal_title：Radiology

authors： Britt AR,Francis IR,Glazer GM,Ellis JH

更新日期：1991-01-01 00:00:00

abstract：PURPOSE:To determine whether systematically evaluated criteria for probably benign lesions were actually applied to lesions placed into that category. MATERIALS AND METHODS:A search of the mammography database yielded 295 cases that were initially followed up with short-term interval mammography but eventually receive...

journal_title：Radiology

authors： Rosen EL,Baker JA,Soo MS

更新日期：2002-04-01 00:00:00

abstract：:Gallbladder disease, and the patients with symptoms suggestive of gallbladder disease, remains a widespread clinical problem that requires investigation by imaging techniques. Sonography, and to a lesser extent cholescintigraphy, has facilitated the evaluation of these patients and allows the diagnosis of cholelithias...

journal_title：Radiology

authors： Cooperberg PL,Gibney RG

更新日期：1987-06-01 00:00:00

abstract：:Eighteen patients with cervical radiculopathy were entered into a prospective study to compare the accuracy of surface coil magnetic resonance (MR) imaging with that of metrizamide myelography and computed tomography (CT) with metrizamide. All MR studies included tailored axial and oblique images as well as routine sa...

journal_title：Radiology

authors： Modic MT,Masaryk TJ,Ross JS,Mulopulos GP,Bundschuh CV,Bohlman H

更新日期：1987-04-01 00:00:00