Neodymium yttrium aluminum garnet laser treatment of hemobilia via a percutaneous biliary catheter track.

abstract：:Hyperpolarized metabolic magnetic resonance (MR) imaging offers greatly enhanced sensitivity to multinuclear MR spectroscopy, opening up a new tool with which to noninvasively assess metabolic changes in the diseased heart. In this issue of Radiology, O h-Ici et al ( 1 ) have demonstrated this ability by exploring the...

journal_title：Radiology

authors： Tyler DJ,Neubauer S

更新日期：2016-03-01 00:00:00

abstract：:This retrospective study of 144 patients was made to (a) assess the potential of magnetic resonance (MR) for demonstrating lymph nodes using spin-echo technique, (b) compare the MR results with those of CT, and (c) determine the optimal pulse-sequence interval (TR) and echo-delay time (TE) for imaging lymph nodes. The...

journal_title：Radiology

authors： Dooms GC,Hricak H,Crooks LE,Higgins CB

更新日期：1984-12-01 00:00:00

abstract：:Radiographs of 18 children thought to have carbonic anhydrase II deficiency were reviewed to assess intracranial calcification. These children have an autosomal recessive syndrome consisting of osteopetrosis, renal tubular acidosis, intracranial calcification, and developmental retardation. This calcification is in th...

journal_title：Radiology

authors： Cumming WA,Ohlsson A

更新日期：1985-11-01 00:00:00

abstract：:Two cases of adenoid cystic carcinoma of the trachea, and a review of the literature, are presented. This unusual and often undiagnosed tumor closely mimics asthma and chronic bronchitis. Although many patients die within 2 to 3 years of the onset of symptoms without appropriate treatment, adequate therapy should lead...

journal_title：Radiology

authors： Cleveland RH,Nice CM Jr,Ziskind J

更新日期：1977-03-01 00:00:00

abstract：:Bowel perforation by ventriculo-peritoneal shunts occurred in two children with no abdominal symptoms. The diagnosis in each instance was confirmed by opacification of the colon in one child and the small bowel in the other via contrast medium injection of the distal shunt tubing. "Shuntograms" are recommended for all...

journal_title：Radiology

authors： Azimi F,Dinn WM,Naumann RA

更新日期：1976-12-01 00:00:00

abstract：PURPOSE:To evaluate the test performance of magnetic resonance (MR) cholangiography for help in diagnosing choledocholithiasis. MATERIALS AND METHODS:Fast spin-echo MR cholangiography was performed by using a torso multicoil array in 110 patients suspected of having bile duct obstruction. Axial and coronal images were...

journal_title：Radiology

authors： Reinhold C,Taourel P,Bret PM,Cortas GA,Mehta SN,Barkun AN,Wang L,Tafazoli F

更新日期：1998-11-01 00:00:00

abstract：:The anatomy of the posterior cerebral artery (PCA) and its branches is described. On the vertebral angiogram, displacement of these vessels is a sign of corresponding displacement of the temporal horn, which in turn is an indication of a mass involving the temporal lobe, diencephalon, or midbrain. Specific angiographi...

journal_title：Radiology

authors： Salamon G,Lecaque GL,Strother CM

更新日期：1978-08-01 00:00:00

abstract：:The purpose of the study was to implement a three-dimensional (3D) magnetic resonance (MR) angiographic technique with acquisition times on the order of 800 msec with use of a spoiled gradient-echo pulse sequence (repetition time, 1.60 msec; echo time, 0.65 msec) and bolus intravenous injection of contrast material do...

journal_title：Radiology

authors： Finn JP,Baskaran V,Carr JC,McCarthy RM,Pereles FS,Kroeker R,Laub GA

更新日期：2002-09-01 00:00:00

abstract：PURPOSE:To evaluate the reliability of ultrasonographic (US) elastography of the supraspinatus (SSP) muscle, define normal shear-wave velocity (SWV) values, and correlate findings with tendon integrity and muscle quality. MATERIALS AND METHODS:The study was approved by the local ethics committee, and written informed ...

journal_title：Radiology

authors： Rosskopf AB,Ehrmann C,Buck FM,Gerber C,Flück M,Pfirrmann CW

更新日期：2016-02-01 00:00:00

abstract：PURPOSE:To determine whether lack of visualization of the appendix on otherwise normal abdominopelvic computed tomographic (CT) images can help exclude appendicitis in the pediatric population. MATERIALS AND METHODS:The study was institutional review board approved and HIPAA compliant. One thousand one hundred thirty-...

journal_title：Radiology

authors： Garcia K,Hernanz-Schulman M,Bennett DL,Morrow SE,Yu C,Kan JH

更新日期：2009-02-01 00:00:00

abstract：:The computed tomographic scans of 200 consecutive patients with Crohn disease were studied to determine the frequency and patterns of perirectal and perianal involvement. In 163 patients (82%) abnormalities in the perirectal-perianal region were demonstrated; findings included inflammation of fat planes (73%), bowel w...

journal_title：Radiology

authors： Yousem DM,Fishman EK,Jones B

更新日期：1988-05-01 00:00:00

abstract：:Congenital arteriovenous malformations (AVMs) involving the pelvis or an extremity were occluded in 16 symptomatic patients, who subsequently underwent tailored embolotherapy. An additional 11 patients did not undergo embolization due to unfavorable vascular anatomy or lack of significant symptoms. Permanent occlusive...

journal_title：Radiology

authors： Widlus DM,Murray RR,White RI Jr,Osterman FA Jr,Schreiber ER,Satre RW,Mitchell SE,Kaufman SL,Williams GM,Weiland AJ

更新日期：1988-11-01 00:00:00

abstract：:A prospective study was performed with 25 patients with ectopic pregnancies (EPs) who underwent treatment with transvaginal administration of methotrexate. Nineteen patients (76%) had positive responses to this treatment, and six (24%) had to undergo surgery: five because of increasing abdominal pain and one because o...

journal_title：Radiology

authors： Atri M,Bret PM,Tulandi T,Senterman MK

更新日期：1992-12-01 00:00:00

abstract：:Although intravascular foreign bodies are routinely removed with percutaneous extraction, surgical retrieval is performed of most nonvascular foreign bodies. The authors describe six cases in which percutaneous extraction was performed for removal of nonvascular foreign bodies. These foreign bodies included an intraab...

journal_title：Radiology

authors： Nosher JL,Siegel R

更新日期：1993-06-01 00:00:00

abstract：:Purpose To determine whether there is an association between radiologist shift length, schedule, or examination volume and interpretive accuracy. Materials and Methods This study was institutional review board approved and HIPAA compliant. A retrospective analysis of all major discrepancies from a 2015 quality assuran...

journal_title：Radiology

authors： Hanna TN,Lamoureux C,Krupinski EA,Weber S,Johnson JO

更新日期：2018-04-01 00:00:00

abstract：:Pressures were measured in the graft and the central vein during 104 consecutive angiographic examinations of failing hemodialysis grafts. Stenosis severity greater than 40% led to a statistically significant rise in graft pressure. In grafts in which all stenoses were of 40% or less severity, the systolic pressures i...

journal_title：Radiology

authors： Sullivan KL,Besarab A,Bonn J,Shapiro MJ,Gardiner GA Jr,Moritz MJ

更新日期：1993-03-01 00:00:00

abstract：PURPOSE:To examine whether the different appearances of intramedullary high signal intensity (SI) on T2-weighted MR images in cervical spondylotic myelopathy are related to differences in surgical prognosis. MATERIALS AND METHODS:The magnetic resonance (MR) findings and Japanese Orthopedic Association (JOA) score of 6...

journal_title：Radiology

authors： Chen CJ,Lyu RK,Lee ST,Wong YC,Wang LJ

更新日期：2001-12-01 00:00:00

abstract：PURPOSE:To investigate blood perfusion of nonfractured, normal-appearing vertebral bodies with regard to age and sex. MATERIALS AND METHODS:Dynamic magnetic resonance imaging (160 images obtained in 80 seconds) was performed from T10 to L5 in 66 patients. Patients were assigned to three groups: group 1, those 50 years...

journal_title：Radiology

authors： Chen WT,Shih TT,Chen RC,Lo SY,Chou CT,Lee JM,Tu HY

更新日期：2001-07-01 00:00:00

abstract：:Thirty patients underwent 16-section multi-detector row computed tomographic (CT) angiography of the thorax with retrospective electrocardiographic gating. Institutional review board approval was obtained for retrospective analysis of CT scan data and records; patient informed consent was not required. Images reconstr...

journal_title：Radiology

authors： Hofmann LK,Zou KH,Costello P,Schoepf UJ

更新日期：2004-12-01 00:00:00

abstract：PURPOSE:To investigate if abnormal early contrast enhancement of the aorta and decreased attenuation of pulmonary arteries at deep-inspiration spiral computed tomographic (CT) angiography might be caused by a patent foramen ovale (PFO). MATERIALS AND METHODS:Two hundred forty-four spiral CT angiographic images of the ...

journal_title：Radiology

authors： Henk CB,Grampp S,Linnau KF,Thurnher MM,Czerny C,Herold CJ,Mostbeck GH

更新日期：2003-03-01 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：:The authors describe mammographic and pathologic evidence of the growth of a fibroadenoma in an 82-year-old obese woman, 44 years after menopause, who had never been treated with hormone therapy. The patient's obesity is hypothesized as the causal factor for increased estrogen levels leading to growth of the fibroaden...

journal_title：Radiology

authors： Swisher RC,Gade NR,Suk JJ,Fu YS,Bassett LW

更新日期：1992-08-01 00:00:00

abstract：:There is an increasing opportunity to perform multifunctional imaging at a variety of organ sites with relatively short examination times. Each technique yields quantitative parameters that reflect specific aspects of the underlying tumor or tissue biology. Many biomarkers have emerged that provide unique information ...

journal_title：Radiology

authors： Padhani AR,Miles KA

更新日期：2010-08-01 00:00:00

abstract：:Purpose To compare low- versus high-frequency ultrasonographic (US) elastography for detection of steatohepatitis in rats by using histopathologic findings as the reference standard. Materials and Methods Between March and September 2014, after receiving approval from the institutional animal care committee, 60 male S...

journal_title：Radiology

authors： Kazemirad S,Zhang E,Nguyen BN,Bodson-Clermont P,Destrempes F,Trudel D,Cloutier G,Tang A

更新日期：2017-03-01 00:00:00

abstract：PURPOSE:To determine the patterns of dynamic enhancement of normal spinal bone marrow in adults at gadolinium-enhanced magnetic resonance (MR) imaging and the changes that occur with aging. MATERIALS AND METHODS:Dynamic contrast material-enhanced MR imaging of the thoracolumbar spine was performed in 71 patients. The ...

journal_title：Radiology

authors： Montazel JL,Divine M,Lepage E,Kobeiter H,Breil S,Rahmouni A

更新日期：2003-12-01 00:00:00

abstract：PURPOSE:To determine whether perfusion-weighted and proton spectroscopic MR imaging can be used to differentiate high-grade primary gliomas and solitary metastases on the basis of differences in vascularity and metabolite levels in the peritumoral region. MATERIALS AND METHODS:Fifty-one patients with a solitary brain ...

journal_title：Radiology

authors： Law M,Cha S,Knopp EA,Johnson G,Arnett J,Litt AW

更新日期：2002-03-01 00:00:00

abstract：PURPOSE:To evaluate the intra- and interreader agreement of two-dimensional computed tomographic (CT) measurements of pulmonary nodules less than 2 cm in diameter. MATERIALS AND METHODS:Three readers independently made three serial measurements of each of 54 pulmonary nodules measuring 3-18 mm that had been observed o...

journal_title：Radiology

authors： Revel MP,Bissery A,Bienvenu M,Aycard L,Lefort C,Frija G

更新日期：2004-05-01 00:00:00

abstract：PURPOSE:To evaluate involvement of the lower uterine segment (LUS) in adenocarcinoma of the endometrium and to identify patterns of treatment failure. MATERIALS AND METHODS:Two hundred four patients, aged 29-92 years, with endometrial carcinoma underwent surgery. Postoperative radiation therapy was administered for ad...

journal_title：Radiology

authors： Mayr NA,Wen BC,Benda JA,Sorosky JI,Davis CS,Fuller RW,Hussey DH

更新日期：1995-08-01 00:00:00

abstract：:An angiographic system capable of simultaneous biplane stereoscopic magnification cerebral angiography was evaluated. Stereoscopic imaging improved the morphologic depiction of aneurysms and of arteriovenous malformations. In a series of 357 patients, procedure time was reduced because the initial biplane stereoscopic...

journal_title：Radiology

authors： Kleefield J,O'Reilly GV,Barsotti JB,Brooks ML

更新日期：1987-11-01 00:00:00

abstract：:After institutional review board approval, informed consent was obtained from six patients (four men and two women, aged 47-74 years) with a total of six tumors of the liver dome. These patients were treated by means of radiofrequency (RF) ablation with computed tomographic (CT) guidance and a transthoracic approach. ...

journal_title：Radiology

authors： de Baère T,Dromain C,Lapeyre M,Briggs P,Duret JS,Hakime A,Boige V,Ducreux M

更新日期：2005-08-01 00:00:00