Detection of colonic polyps on single-contrast barium enema study: emphasis on the elderly.

abstract：PURPOSE:To provide functional reference values in single and sequential vein grafts by using magnetic resonance (MR) flow mapping and to examine the effect of percutaneous intervention (PCI) on coronary artery bypass graft function. MATERIALS AND METHODS:Fast MR flow mapping at baseline and during adenosine-induced st...

journal_title：Radiology

authors： Langerak SE,Vliegen HW,Jukema JW,Zwinderman AH,Lamb HJ,de Roos A,van der Wall EE

更新日期：2003-09-01 00:00:00

abstract：:Manganese (II) N,N'-dipyridoxylethylenediamine-N,N'-diacetate 5,5'-bis(phosphate) (DPDP) was tested as a contrast agent for magnetic resonance imaging of pancreatic adenocarcinoma in 15 patients. At enhanced T1-weighted spin-echo (SE) and enhanced T1-weighted gradient-echo (GRE) imaging, statistically significant incr...

journal_title：Radiology

authors： Gehl HB,Urhahn R,Bohndorf K,Klever P,Hauptmann S,Lodemann KP,Matern S,Schumpelick V,Günther RW

更新日期：1993-03-01 00:00:00

abstract：:The sonograms of 40 patients with second-trimester polyhydramnios were reviewed to determine (a) whether fetal and maternal conditions occur as often during second-trimester polyhydramnios as during third-trimester polyhydramnios, (b) the frequency of persistence of polyhydramnios into the third trimester, and (c) how...

journal_title：Radiology

authors： Sivit CJ,Hill MC,Larsen JW,Lande IM

更新日期：1987-11-01 00:00:00

abstract：:Self-expanding metallic stents of a modified Gianturco design were used to treat benign strictures of the biliary tree in 17 patients. Thirteen patients had undergone several unsuccessful surgical repairs, and four had not undergone surgery because of their clinical status. All patients had already undergone multiple ...

journal_title：Radiology

authors： Rossi P,Bezzi M,Salvatori FM,Maccioni F,Porcaro ML

更新日期：1990-06-01 00:00:00

abstract：PURPOSE:To determine whether computed tomographically (CT) guided percutaneous catheter drainage of spondylodiskitic abscesses is an appropriate and effective alternative to surgery. MATERIALS AND METHODS:CT-guided percutaneous catheter drainage was performed in 21 patients (16 men, five women; age range, 24-81 years)...

journal_title：Radiology

authors： Staatz G,Adam GB,Keulers P,Vorwerk D,Günther RW

更新日期：1998-08-01 00:00:00

abstract：PURPOSE:To investigate how changes in kilovolt peak and milliampere second settings, and patient weight affect transmitted x-ray energy fluence and the image contrast-to-noise ratio (CNR) at abdominal computed tomography (CT). MATERIALS AND METHODS:Cylinders of water were used as patient models, and x-ray spectra, inc...

journal_title：Radiology

authors： Huda W,Scalzetti EM,Levin G

更新日期：2000-11-01 00:00:00

abstract：:The radiographic demonstration of lymph node involvement in amyloidosis is rare. Of 12 previously reported cases with lymph node enlargement, two also showed calcified nodes. This paper presents two new cases, one of which illustrates previously unreported findings. Recent advances that help to explain the pathogenesi...

journal_title：Radiology

authors： Gross BH

更新日期：1981-01-01 00:00:00

abstract：PURPOSE:To assess the safety and effectiveness of percutaneous radiofrequency (RF) ablation of subcapsular liver tumors. MATERIALS AND METHODS:The study protocol was approved by the institutional review board, and all patients gave written informed consent. One hundred eighty-one patients (79 men, 102 women; age range...

journal_title：Radiology

authors： Sartori S,Tombesi P,Macario F,Nielsen I,Tassinari D,Catellani M,Abbasciano V

更新日期：2008-08-01 00:00:00

abstract：PURPOSE:To retrospectively compare the sensitivity of a computer-aided detection (CAD) system for depicting breast cancer in three digital mammographic views. MATERIALS AND METHODS:This study was conducted with institutional review board approval; informed consent was waived. A commercially available CAD system was ap...

journal_title：Radiology

authors： Kim SJ,Moon WK,Cho N,Cha JH,Kim SM,Im JG

更新日期：2006-12-01 00:00:00

abstract：PURPOSE:To compare unenhanced helical computed tomography (CT) and endoscopic retrograde cholangiopancreatography (ERCP) in the detection of common bile duct calculi. MATERIALS AND METHODS:Within 13 months, 51 patients (aged 18-94 years) with clinically suspected choledocholithiasis underwent unenhanced helical CT imm...

journal_title：Radiology

authors： Neitlich JD,Topazian M,Smith RC,Gupta A,Burrell MI,Rosenfield AT

更新日期：1997-06-01 00:00:00

abstract：PURPOSE:To develop and demonstrate a method for regional evaluation of pulmonary perfusion and gas exchange based on intravenous injection of hyperpolarized xenon 129 ((129)Xe) and subsequent magnetic resonance (MR) imaging of the gas-phase (129)Xe emerging in the alveolar airspaces. MATERIALS AND METHODS:Five Fischer...

journal_title：Radiology

authors： Driehuys B,Möller HE,Cleveland ZI,Pollaro J,Hedlund LW

更新日期：2009-08-01 00:00:00

abstract：:The authors developed a technique to increase the size of a guide wire and permit single-step placement of catheters and large sheath systems over previously inserted small-caliber guide wires. The technique involves compression of metal cannula against a smaller in-dwelling wire or inner cannula. It has been used suc...

journal_title：Radiology

authors： Pry R,Miles SG,Hawkins IF Jr,Akins EW,Rasmussen JF

更新日期：1990-01-01 00:00:00

abstract：PURPOSE:To test the hypothesis that magnetic resonance (MR) imaging R1 (R1 = 1/T1) mapping after selectively labeling monocytes with a T1-shortening contrast agent in vivo would enable the quantitative measurement of their spatiotemporal kinetics in the setting of infarct healing. MATERIALS AND METHODS:All procedures ...

journal_title：Radiology

authors： Naresh NK,Xu Y,Klibanov AL,Vandsburger MH,Meyer CH,Leor J,Kramer CM,French BA,Epstein FH

更新日期：2012-08-01 00:00:00

abstract：PURPOSE:To evaluate aortoiliac aneurysms repaired with endovascular stent-grafts complicated by hemodynamically significant graft stenosis. MATERIALS AND METHODS:Fifty-four patients (52 men, two women; age range, 41-90 years; mean age, 75 years) with aneurysms of the infrarenal aorta (n = 36) or iliac artery (n = 18) ...

journal_title：Radiology

authors： Silberzweig JE,Marin ML,Hollier LH,Mitty HA,Parsons RE,Cooper JM,Ahn J

更新日期：1998-10-01 00:00:00

abstract：:Adenomatous hyperplastic nodules (AHNs) in the cirrhotic liver may be precurosors of hepatocellular carcinoma. These nodules have been demonstrated more frequently because of the increased use of ultrasonography (US) in the screening of high-risk patients. Treatment is a problem because surgical resection of a precanc...

journal_title：Radiology

authors： Livraghi T,Sangalli G,Vettori C

更新日期：1989-01-01 00:00:00

abstract：:Left atrial-coronary sinus fenestration is a rare cause of a left-to-right or right-to-left shunt which occurs most commonly with a persistent left superior vena cava. These fenestrations may represent the only pathway for an obligatory right-to-left or left-to-right shunt in atrioventricular valve atresia. Four cases...

journal_title：Radiology

authors： Nath PH,Delaney DJ,Zollikofer C,Ben-Sachar G,Castaneda-Zuniga W,Formanek A,Amplatz K

更新日期：1980-05-01 00:00:00

abstract：PURPOSE:Quantification of regional cerebral blood flow (rCBF) and volume (rCBV) with dynamic magnetic resonance (MR) imaging. MATERIALS AND METHODS:After bolus administration of a paramagnetic contrast medium, rapid T2*-weighted gradient-echo images of two sections were acquired for the simultaneous creation of concen...

journal_title：Radiology

authors： Rempp KA,Brix G,Wenz F,Becker CR,Gückel F,Lorenz WJ

更新日期：1994-12-01 00:00:00

abstract：PURPOSE:To comprehensively characterize the dosimetric properties of a clinical digital breast tomosynthesis (DBT) system for the acquisition of mammographic and tomosynthesis images. MATERIALS AND METHODS:Compressible water-oil mixture phantoms were created and imaged by using the automatic exposure control (AEC) of ...

journal_title：Radiology

authors： Feng SS,Sechopoulos I

更新日期：2012-04-01 00:00:00

abstract：PURPOSE:To quantify the effects of spiral computed tomographic (CT) acquisition parameters on the magnitude of three-dimensional (3D) rippling artifacts and polyp depiction. MATERIALS AND METHODS:An in vitro colon phantom was constructed with air-filled acrylic cylinders that contained synthetic polyps of 3-13 mm. The...

journal_title：Radiology

authors： Whiting BR,McFarland EG,Brink JA

更新日期：2000-10-01 00:00:00

abstract：:A case of actinomycosis involving the pelvic cavity is reported. The patient had a pelvic mass clinically and radiographically. Barium enema examination showed a mass with extrinsic compression and fixed narrowing of the rectum with mucosal irregularity. A computed tomographic scan showed a pelvic mass displacing the ...

journal_title：Radiology

authors： Maloney JJ,Cho SR

更新日期：1983-08-01 00:00:00

abstract：:A 33-year-old man with an intramedullary spinal cord germinoma was treated successfully with partial resection, combined chemotherapy with carboplatin and etoposide, and reduced-dose local-field radiation therapy. The authors believe this is the first case without syncytiotrophoblastic giant cells so treated. The lite...

journal_title：Radiology

authors： Hata M,Ogino I,Sakata K,Murata H,Kawano N,Matsubara S

更新日期：2002-05-01 00:00:00

abstract：:Twenty-one patients with prostate cancer underwent intermittent arterial infusion chemotherapy with an implanted reservoir and alteration of the intrapelvic blood flow. One internal iliac artery was embolized with steel coils so that the drugs would perfuse throughout the tumor through a single tube. Angiography perfo...

journal_title：Radiology

authors： Nakamura K,Takashima S,Nakatsuka H,Onoyama Y

更新日期：1992-12-01 00:00:00

abstract：:History In 2004, this woman received a diagnosis of invasive mammillary carcinoma, tubular variant, strongly positive for estrogen and progesterone receptors. Her lesion was found at screening mammography performed at an outside institution when she was 59 years old. She underwent partial mastectomy, with partial axil...

journal_title：Radiology

authors： Disharoon M,Kozlowski KF,Kaniowski JM

更新日期：2017-06-01 00:00:00

abstract：:The effects of diagnostic levels of ultrasound on DNA of HeLa cells included: increased immunoreactivity to antinucleoside antibodies in G1 cells, strongly suggestive of unwinding of the helix or single-strand break induction, and low levels of non-semiconservative synthesis in logarithmically growing cells treated wi...

journal_title：Radiology

authors： Liebeskind D,Bases R,Elequin F,Neubort S,Leifer R,Goldberg R,Koenigsberg M

更新日期：1979-04-01 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：:Functional magnetic resonance (MR) imaging of the kidneys has gained interest recently, especially in the detection of early changes in acute kidney injury or to predict progression of chronic kidney disease (CKD). The application of these methods to cardiorenal syndrome (CRS) is novel. CRS is widely accepted as a com...

journal_title：Radiology

authors： Pursnani A,Prasad PV

更新日期：2018-01-01 00:00:00

abstract：:Empyema developing from retropharyngeal abscess is a rare complication. Two infants with clinical symptomatology and inital chest radiographic findings of pleural fluid which suggested the possibility of retrophoryngeal abscess are described. A child with submandibular and cervical abscesses is also reported; pleural ...

journal_title：Radiology

authors： Ramilo J,Harris VJ,White H

更新日期：1978-03-01 00:00:00

abstract：:Local relapse was suspected in 26 women treated conservatively for breast cancer. All women underwent routine magnetic resonance (MR) imaging and a dynamic MR subtraction study after injection of gadolinium-tetraazacyclododecanetetra-acetic acid. Twelve women had no local relapse. Surgical biopsy enabled confirmation ...

journal_title：Radiology

authors： Gilles R,Guinebretière JM,Shapeero LG,Lesnik A,Contesso G,Sarrazin D,Masselot J,Vanel D

更新日期：1993-08-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the safety and efficacy of undersized stents used in patients with high-grade intracranial stenosis and recurrent ischemic symptoms who are undergoing medical treatment. MATERIALS AND METHODS:In 18 patients (13 men, five women; age range, 51-82 years), 20 high-grade (>70%) intracrania...

journal_title：Radiology

authors： de Rochemont Rdu M,Turowski B,Buchkremer M,Sitzer M,Zanella FE,Berkefeld J

更新日期：2004-04-01 00:00:00

abstract：:Three cases of talocalcaneal coalition were evaluated with routine radiography, conventional tomography, 99mTc-MDP bone scintigraphy, and computed tomography (CT). Routine radiography was normal in 1 case and demonstrated secondary findings suggesting coalition in 2. Conventional tomography confirmed the coalition in ...

journal_title：Radiology

authors： Deutsch AL,Resnick D,Campbell G

更新日期：1982-07-01 00:00:00