Pilomatrixoma (calcifying epithelioma of Malherbe): radiographic features.

abstract：PURPOSE:To identify the sonographic appearance of normal fetal midface anatomy of in vitro fetal specimens and to correlate the appearance with that of in utero fetuses to determine which aspects of this anatomy can be evaluated clinically. MATERIALS AND METHODS:The midface structures of 12 normal fetal specimens were...

journal_title：Radiology

authors： Babcook CJ,McGahan JP,Chong BW,Nemzek WR,Salamat MS

更新日期：1996-10-01 00:00:00

abstract：:The posterior wall of the bronchus intermedius (PWBI) is outlined on most lateral chest radiographs by air in the lumen and in adjacent lung. In a prospective review over a 19-month interval, the authors found 36 patients whose PWBI was thick, defined as thickness greater than the normal upper limit of 3.0 mm (33 pati...

journal_title：Radiology

authors： Schnur MJ,Winkler B,Austin JH

更新日期：1981-06-01 00:00:00

abstract：:Computed tomography (CT) used in cases of blunt abdominal trauma has been found sensitive in detection of bowel and mesenteric injuries and discrimination of operable from nonoperable candidates. In 51 patients with suspected bowel or mesenteric injury following blunt abdominal trauma, CT correctly depicted bowel hema...

journal_title：Radiology

authors： Rizzo MJ,Federle MP,Griffiths BG

更新日期：1989-10-01 00:00:00

abstract：:A retrospective study involving 498 women with a total of 666 breast lesions was undertaken to determine the relative efficacy of one- and two-view mammography in the follow-up evaluation of "low-suspicion" abnormal mammographic findings. These abnormalities consisted of well-defined masses (47.1%), well-defined punct...

journal_title：Radiology

authors： Datoc PD,Hayes CW,Conway WF,Bosch HA,Neal MP

更新日期：1991-08-01 00:00:00

abstract：:To determine the optimal coil and patient position for magnetic resonance imaging of patients with silicone breast implants, images obtained with body, circular surface, flexible, single shoulder, and dual shoulder coils in various numbers of patients were compared with regard to signal-to-noise ratio (S/N), decay of ...

journal_title：Radiology

authors： Sinha S,Gorczyca DP,DeBruhl ND,Shellock FG,Gausche VR,Bassett LW

更新日期：1993-04-01 00:00:00

abstract：:The diagnosis of lumbar nerve root entrapment was made by sector computed tomography (CT) scanning in 25 patients whose myelograms were normal at the site of the CT scan abnormalities. Sector CT scanning demonstrates preoperatively which neural foramina are narrow. This information, correlated with the patient's histo...

journal_title：Radiology

authors： Risius B,Modic MT,Hardy RW Jr,Duchesneau PM,Weinstein MA

更新日期：1982-04-01 00:00:00

abstract：:Sonograms and radiographs of the lumbar spine in 51 fetuses and neonates with thanatophoric dwarfism, achondroplasia, and osteogenesis imperfecta type II were retrospectively evaluated. Study data included 27 prenatal and 27 neonatal sonograms and radiographs in 40 fetuses and neonates and 11 cases described in the ra...

journal_title：Radiology

authors： Rouse GA,Filly RA,Toomey F,Grube GL

更新日期：1990-01-01 00:00:00

abstract：:Significant structural and mechanical differences exist between the titanium and stainless steel versions of the Greenfield filter (GF). The titanium GF has a longer leg length (49 mm vs 43 mm), a greater span (38.5 mm vs 28.0 mm), and a larger hook angle (41 degrees vs 23.5 degrees). In vitro tests demonstrated appro...

journal_title：Radiology

authors： Teitelbaum GP,Jones DL,van Breda A,Matsumoto AH,Fellmeth BD,Chespak LW,Barth KH

更新日期：1989-12-01 00:00:00

abstract：:Fifty-one arteriograms were obtained outside of the radiology department with portable digital subtraction angiographic equipment. Thirty-five studies were performed in the emergency room, 12 in the operating room, and four in the intensive care unit. There was a significant decrease in the time interval from arrival ...

journal_title：Radiology

authors： King JN,Orrison WW,Keck GM,Demarest GB,Hinson JE,Sell JJ

更新日期：1989-09-01 00:00:00

abstract：:A 6-year follow-up study of height and weight was conducted between 1975 and 1983 in a total of 149 sibling pairs of the same sex, one of whom had been exposed to diagnostic ultrasound in utero. The data were analyzed for the entire sample group, as well as for subgroups defined by sex, gestational age at delivery, bi...

journal_title：Radiology

authors： Lyons EA,Dyke C,Toms M,Cheang M

更新日期：1988-03-01 00:00:00

abstract：:Thirty-four episodes of pyogenic pulmonary infection in 30 patients infected with human immunodeficiency virus (HIV) and 30 episodes of Pneumocystis carinii pneumonia (PCP) in 30 AIDS patients were reviewed to determine if the radiologic features were more helpful than clinical and laboratory findings in the different...

journal_title：Radiology

authors： Amorosa JK,Nahass RG,Nosher JL,Gocke DJ

更新日期：1990-06-01 00:00:00

abstract：PURPOSE:To compare the magnetic resonance (MR) imaging findings of primary hepatocellular carcinoma (HCC) in cirrhotic versus noncirrhotic livers. MATERIALS AND METHODS:MR images in 36 patients with HCC (30 men and she women aged 42-84 years [mean age, 65 years]) were retrospectively reviewed. The number and size of h...

journal_title：Radiology

authors： Winston CB,Schwartz LH,Fong Y,Blumgart LH,Panicek DM

更新日期：1999-01-01 00:00:00

abstract：:The case histories and radiologic studies of eight liver transplant recipients who developed a mucocele of the allograft cystic duct remnant were retrospectively evaluated. All patients had clinical and/or laboratory evidence of biliary obstruction or cholangitis from 2 weeks to 3.3 years following transplantation. Ch...

journal_title：Radiology

authors： Zajko AB,Bennett MJ,Campbell WL,Koneru B

更新日期：1990-12-01 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：: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：: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：:History A 13-year-old girl presented for evaluation and further management of spastic diplegia cerebral palsy. Absence of the corpus callosum was noted at screening prenatal head ultrasonography. She was born at full term via spontaneous vaginal delivery. Physical examination revealed decreased axial muscle tone and i...

journal_title：Radiology

authors： Yahyavi-Firouz-Abadi N,Poretti A,Idowu OR,Hoon AH Jr,Huisman TA,Izbudak I

更新日期：2016-12-01 00:00:00

abstract：:The institutional review board approved the described HIPAA-compliant study, which was performed to prospectively evaluate observer performance in the detection of artificial multiple sclerosis (MS) lesions that were randomly distributed supra- and infratentorially on simulated fluid-attenuated inversion-recovery (FLA...

journal_title：Radiology

authors： Pikus L,Woo JH,Wolf RL,Herskovits EH,Moonis G,Jawad AF,Krejza J,Melhem ER

更新日期：2006-04-01 00:00:00

abstract：:The chronically dislocated hip of a 15-month-old girl was studied postmortem. The cartilaginous components of the pelvis (both true and false acetabula) and proximal femur were demonstrated roentgenographically and correlated with gross anatomical observations. These findings should be useful in the interpretation of ...

journal_title：Radiology

authors： Ogden JA,Jensen PS

更新日期：1976-04-01 00:00:00

abstract：PURPOSE:To use magnetic resonance (MR) imaging to examine the short-term (6 months) natural history of the lipid-rich necrotic core (LRNC) in carotid artery plaques by examining the placebo group of a multicenter clinical trial. MATERIALS AND METHODS:Study procedures and consent forms were approved by the institutiona...

journal_title：Radiology

authors： Sun J,Balu N,Hippe DS,Xue Y,Dong L,Zhao X,Li F,Xu D,Hatsukami TS,Yuan C

更新日期：2013-07-01 00:00:00

abstract：:Computed tomography (CT) is widely used to assess patients with nonspecific abdominal pain or who are suspected of having colitis. The authors recommend multidetector CT with oral, rectal, and intravenous contrast material and thin sections, which can accurately demonstrate inflammatory changes in the colonic wall and...

journal_title：Radiology

authors： Thoeni RF,Cello JP

更新日期：2006-09-01 00:00:00

abstract：:Computed tomography has been utilized to guide a needle into central nervous system lesions as small as one centimeter in diameter. Direct puncture has drained many abscesses effectively, provided material for immediate Gram stain and subsequent culture, and permitted irrigation with appropriate antibioties, Multilocu...

journal_title：Radiology

authors： Moran CJ,Naidich TP,Gado MH,Marchosky JA

更新日期：1979-06-01 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：PURPOSE:To investigate the potential application of contrast material-enhanced three-dimensional (3D) ultrasonography (US), as compared with contrast-enhanced 3D computed tomography (CT), for characterization of focal liver tumors. MATERIALS AND METHODS:Institutional review board approval and informed patient consent ...

journal_title：Radiology

authors： Luo W,Numata K,Morimoto M,Kondo M,Takebayashi S,Okada M,Morita S,Tanaka K

更新日期：2009-04-01 00:00:00

abstract：:Two cases of vertebral sarcoidosis in pediatric patients are presented. All such patients reported have been black, 13-15 years old, and have a history of back pain. Radiographs of the involved vertebrae show primarily lytic destruction with sclerotic borders in some of the lesions. Fungal infections, tuberculosis, py...

journal_title：Radiology

authors： Stump D,Spock A,Grossman H

更新日期：1976-10-01 00:00:00

abstract：PURPOSE:To retrospectively evaluate the diagnostic performance of magnetic resonance (MR) imaging for the diagnosis of adnexal torsion in a series of patients with an equivocal adnexal mass at ultrasonography (US) in the context of acute or subacute pelvic pain. MATERIALS AND METHODS:The institutional ethics committee...

journal_title：Radiology

authors： Béranger-Gibert S,Sakly H,Ballester M,Rockall A,Bornes M,Bazot M,Daraï E,Thomassin-Naggara I

更新日期：2016-05-01 00:00:00

abstract：:Purpose To evaluate the frequency, patterns, and prognostic importance of metastatic hepatic involvement in serous ovarian cancer. Materials and Methods This institutional review board-approved retrospective study, with waived informed consent, included 244 patients with pathologically proven serous ovarian cancer (me...

journal_title：Radiology

authors： O'Neill AC,Somarouthu B,Tirumani SH,Braschi-Amirfarzan M,Van den Abbeele AD,Ramaiya NH,Shinagare AB

更新日期：2017-01-01 00:00:00

abstract：:Multisection, dual-echo magnetic resonance (MR) transaxial images of blood vessels contain both anatomic and qualitative information about flow. Even so, the images are produced as a series of two-dimensional tomographic sections from which full visualization of connected structures is difficult. A computer algorithm ...

journal_title：Radiology

authors： Hale JD,Valk PE,Watts JC,Kaufman L,Crooks LE,Higgins CB,Deconinck F

更新日期：1985-12-01 00:00:00

abstract：PURPOSE:To prospectively identify brain regions in which task-related changes in activation during a memory encoding task, measured with functional magnetic resonance (MR) imaging, correlate with degree of memory impairment across Alzheimer disease (AD), mild cognitive impairment (MCI), and elderly control subjects. M...

journal_title：Radiology

authors： Petrella JR,Wang L,Krishnan S,Slavin MJ,Prince SE,Tran TT,Doraiswamy PM

更新日期：2007-10-01 00:00:00

abstract：PURPOSE:To develop an ultrasound (US) extended-field-of-view scanning technique that combines the convenience of a real-time scanner with the spatial advantages of a static B-mode scanner and provides a panoramic image in real time without position sensors or cumbersome articulated arms. MATERIALS AND METHODS:An image...

journal_title：Radiology

authors： Weng L,Tirumalai AP,Lowery CM,Nock LF,Gustafson DE,Von Behren PL,Kim JH

更新日期：1997-06-01 00:00:00