Osteoid osteoma: elevation of cardiac and respiratory rates at biopsy needle entry into tumor in 10 patients.

abstract：PURPOSE:To prospectively assess the potential of noninvasive diffusion-weighted magnetic resonance (MR) imaging to depict changes in microperfusion and diffusion in patients with acute unilateral ureteral obstruction. MATERIALS AND METHODS:The local ethics committee approved the study protocol. Informed consent was ob...

journal_title：Radiology

authors： Thoeny HC,Binser T,Roth B,Kessler TM,Vermathen P

更新日期：2009-09-01 00:00:00

abstract：:The radiographic patterns of vertebral-body collapse and/or endplate deformity were examined in 99 autopsy specimens of the thoracolumbar spine with benign and malignant disease. Angling of endplates was found to be highly predictive of underlying malignancy, whereas concavity was more suggestive of benign disease, fo...

journal_title：Radiology

authors： Sartoris DJ,Clopton P,Nemcek A,Dowd C,Resnick D

更新日期：1986-08-01 00:00:00

abstract：:A new tray has been designed for use during procedures involving needles and other sharp objects. The tray includes a foam adhesive pad, marked into 10 sections, into which the sharp objects can be placed point first. After the procedure, the objects can be safely withdrawn by their handles and then discarded. The tra...

journal_title：Radiology

authors： Mueller PR,Silverman SG,Tung G,Brink JA,Cardenosa G,Saini S,Forman BH,Hahn PF

更新日期：1989-10-01 00:00:00

abstract：:Corticosteroids and local anesthetics are some of the most commonly administered medications in radiology departments. These medications have marked variability in their formulations, which may increase their adverse event profile for specific procedures. In particular, certain corticosteroid preparations are associat...

journal_title：Radiology

authors： MacMahon PJ,Eustace SJ,Kavanagh EC

更新日期：2009-09-01 00:00:00

abstract：:Monooctanoin, a cholesterol solvent, was infused into the biliary system of 11 patients. Twenty-eight (74%) of 38 total stones responded to monooctanoin: 16 (42%) decreased in size, and 12 (32%) dissolved completely. Ten stones (26%) did not change in size. We attribute this to inadequate drug-stone contact, which was...

journal_title：Radiology

authors： Teplick SK,Haskin PH

更新日期：1984-11-01 00:00:00

abstract：PURPOSE:To evaluate the long-term effectiveness of percutaneous treatment of liver hydatid cysts. MATERIALS AND METHODS:Thirty-one patients (19 female patients and 12 male patients; age range, 8-78 years; mean age, 41 years) with 57 liver hydatid cysts underwent percutaneous treatment. The cysts were treated with hype...

journal_title：Radiology

authors： Akhan O,Ozmen MN,Dinçer A,Sayek I,Göçmen A

更新日期：1996-01-01 00:00:00

abstract：PURPOSE:To characterize the thin-section computed tomographic (CT) appearance of bronchiolitis fibrosa obliterans syndrome in infants and young children after lung transplantation. MATERIALS AND METHODS:Thin-section CT studies in six patients with bronchiolitis obliterans syndrome (age range, 2 months to 5 1/2 years) ...

journal_title：Radiology

authors： Lau DM,Siegel MJ,Hildebolt CF,Cohen AH

更新日期：1998-09-01 00:00:00

abstract：PURPOSE:To characterize the magnetic resonance (MR) imaging response of brain metastases after gamma knife stereotactic radiosurgery and determine whether imaging features and tumor response rates correlate with local tumor control and survival. MATERIALS AND METHODS:Serial MR examinations were performed in 48 patient...

journal_title：Radiology

authors： Peterson AM,Meltzer CC,Evanson EJ,Flickinger JC,Kondziolka D

更新日期：1999-06-01 00:00:00

abstract：:Clinical, radiographic, and radionuclide angiographic findings of three cases of jugular glomic tumor associated with hearing loss are discussed. In one case computed tomographic findings are discussed. It is concluded that radioisotopic techniques may be useful in diagnosis and follow-up of this tumor. ...

journal_title：Radiology

authors： Alavi A,Devenney JE,Arendale S,Zimmerman RA

更新日期：1976-12-01 00:00:00

abstract：:To avoid the disadvantages associated with use of the traditional percutaneous transhepatic cholangiography (PTC) needle in ultrasonically guided percutaneous ethanol injection therapy (PEIT) for hepatocellular carcinoma, the authors developed a needle with a three-sided tip and three holes within 3 mm of the tip. In ...

journal_title：Radiology

authors： Akamatsu K,Miyauchi S,Ito Y,Ohkubo K,Maruyama M

更新日期：1993-01-01 00:00:00

abstract：:Preliminary results indicate that film dosimetry is a simple and precise method of determining volume dose distributions. Calculated dose distributions using computers or estimations of surface dose using TLD dosimeters are within 5% of the measured dose. Initial attempts to find suitable alternate techniques tailored...

journal_title：Radiology

authors： Mansfield CM,Ayyangar K,Suntharalingam N

更新日期：1976-09-01 00:00:00

abstract：PURPOSE:To prospectively correlate single- and multisection magnetic resonance (MR) imaging measurements with clinical measurements for assessment of abdominal adipose tissue volumes in healthy (control subjects), overweight, and diabetic overweight preadolescents and adolescents. MATERIALS AND METHODS:The study was a...

journal_title：Radiology

authors： Siegel MJ,Hildebolt CF,Bae KT,Hong C,White NH

更新日期：2007-03-01 00:00:00

abstract：:In 12 healthy volunteers and eight patients with cardiac disease, cine magnetic resonance (MR) imaging in the heart was performed with real-time true fast imaging with steady-state precession (FISP), which permitted evaluation of the entire left ventricle in one breath hold (91 msec per frame, 13 frames per section po...

journal_title：Radiology

authors： Lee VS,Resnick D,Bundy JM,Simonetti OP,Lee P,Weinreb JC

更新日期：2002-03-01 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：: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：:Background Chest CT is used in the diagnosis of coronavirus disease 2019 (COVID-19) and is an important complement to reverse-transcription polymerase chain reaction (RT-PCR) tests. Purpose To investigate the diagnostic value and consistency of chest CT as compared with RT-PCR assay in COVID-19. Materials and Methods ...

journal_title：Radiology

authors： Ai T,Yang Z,Hou H,Zhan C,Chen C,Lv W,Tao Q,Sun Z,Xia L

更新日期：2020-08-01 00:00:00

abstract：:We describe a patient who had cryptosporidiosis and cytomegalovirus infection of the gastric antrum that was initially detected on computed tomography (CT) scans. CT may be useful in the evaluation of immunocompromised patients with diarrheal illness, as well as in the assessment of the gastrointestinal tract. ...

journal_title：Radiology

authors： Soulen MC,Fishman EK,Scatarige JC,Hutchins D,Zerhouni EA

更新日期：1986-06-01 00:00:00

abstract：PURPOSE:To compare the local-regional staging accuracy of the conventional two-dimensional (2D) T2-weighted imaging protocol and of the three-dimensional (3D) T2-weighted imaging protocol for preoperative magnetic resonance (MR) imaging in rectal cancer patients. MATERIALS AND METHODS:This retrospective study was appr...

journal_title：Radiology

authors： Kim H,Lim JS,Choi JY,Park J,Chung YE,Kim MJ,Choi E,Kim NK,Kim KW

更新日期：2010-02-01 00:00:00

abstract：PURPOSE:To prospectively assess aortic dimensions, aortic elasticity, aortic valve competence, and left ventricular (LV) systolic function in patients after the arterial switch operation (ASO) by using magnetic resonance (MR) imaging. MATERIALS AND METHODS:Informed consent was obtained from all participants for this l...

journal_title：Radiology

authors： Grotenhuis HB,Ottenkamp J,Fontein D,Vliegen HW,Westenberg JJ,Kroft LJ,de Roos A

更新日期：2008-12-01 00:00:00

abstract：:High-resolution, real-time ultrasonography (US) with graded compression was used to evaluate 90 patients with clinically suspected acute appendicitis. US visualization of a noncompressible appendix was the primary criterion for a diagnosis of acute appendicitis. The overall sensitivity was 89%, the specificity was 95%...

journal_title：Radiology

authors： Jeffrey RB Jr,Laing FC,Lewis FR

更新日期：1987-04-01 00:00:00

abstract：:The authors perform intravenous digital angiography of the abdomen with the patient in a prone position. As a result, gas is reduced in the transverse colon and small bowel and vascular detail in the image is not obscured. ...

journal_title：Radiology

authors： Seigel RS,Williams AG

更新日期：1983-07-01 00:00:00

abstract：PURPOSE:To compare open-magnet magnetic resonance (MR) imaging performed with the patient sitting with dynamic closed-magnet MR imaging of the pelvic floor performed with the patient supine. MATERIALS AND METHODS:Thirty-eight patients underwent dynamic 1.5-T closed-magnet pelvic floor MR imaging while in the supine po...

journal_title：Radiology

authors： Bertschinger KM,Hetzer FH,Roos JE,Treiber K,Marincek B,Hilfiker PR

更新日期：2002-05-01 00:00:00

abstract：:Patients who carry the BRCA1 and BRCA2 gene mutations have an underlying genetic predisposition for breast and ovarian cancers. These deleterious genetic mutations are the most common genes implicated in hereditary breast and ovarian cancers. This monograph summarizes the evidence behind current screening recommendati...

journal_title：Radiology

authors： Elezaby M,Lees B,Maturen KE,Barroilhet L,Wisinski KB,Schrager S,Wilke LG,Sadowski E

更新日期：2019-06-01 00:00:00

abstract：:With the recent improvements in diagnosis and treatment of distal radius and carpal injuries, the hand surgeons' expectations of relevant radiologic interpretation of imaging studies are heightened. Conventional radiographic examinations, as well as more sophisticated and invasive studies, have important roles in the ...

journal_title：Radiology

authors： Goldfarb CA,Yin Y,Gilula LA,Fisher AJ,Boyer MI

更新日期：2001-04-01 00:00:00

abstract：:A study was designed to evaluate whether sigmoidoscopy performed on the same day as barium enema examination interferes with quality or interpretation of the barium study. The study included 295 patients who had either single- or double-contrast barium enema examinations subsequent to sigmoidoscopy performed either on...

journal_title：Radiology

authors： Lappas JC,Miller RE,Lehman GA,Eskridge JM,Morton JA

更新日期：1983-12-01 00:00:00

abstract：PURPOSE:To compare retrospectively the incremental value of indirect computed tomographic (CT) venography performed after multi-detector row CT pulmonary angiography and single-detector row CT pulmonary angiography for the diagnosis of venous thromboembolism (VTE). MATERIALS AND METHODS:The institutional ethics commit...

journal_title：Radiology

authors： Ghaye B,Nchimi A,Noukoua CT,Dondelinger RF

更新日期：2006-07-01 00:00:00

abstract：PURPOSE:To determine the optimal dose of intravenous contrast material for helical computed tomography (CT) of the abdomen on the basis of patient weight. MATERIALS AND METHODS:A prospective randomized study of helical CT of the abdomen was performed by using different doses of intravenous contrast material in 221 pat...

journal_title：Radiology

authors： Yamashita Y,Komohara Y,Takahashi M,Uchida M,Hayabuchi N,Shimizu T,Narabayashi I

更新日期：2000-09-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the feasibility of magnetic resonance (MR) coronary artery imaging and to define myocardial damage with late-enhancement myocardial MR imaging in children who underwent arterial switch surgery for transposition of the great arteries. MATERIALS AND METHODS:The local research ethics com...

journal_title：Radiology

authors： Taylor AM,Dymarkowski S,Hamaekers P,Razavi R,Gewillig M,Mertens L,Bogaert J

更新日期：2005-02-01 00:00:00

abstract：:Magnetic resonance imaging of the pituitary gland in a patient with secondary hemochromatosis is described. On T1-weighted images, the anterior lobe had almost no signal intensity, and only the high-signal posterior lobe was seen. These findings are compatible with the distribution of iron deposition and clinical symp...

journal_title：Radiology

authors： Fujisawa I,Morikawa M,Nakano Y,Konishi J

更新日期：1988-07-01 00:00:00

abstract：:Alterations in gastric physiology caused by selective embolization and vasopressin infusion of the left gastric artery were evaluated in 29 dogs. Gastric acidity was not significantly altered following Gelfoam embolization but decreased sharply with vasopressin infusion. These results suggest that the segmental occlus...

journal_title：Radiology

authors： Chuang VP,Reuter SR,Cho KJ,Schmidt RW

更新日期：1976-09-01 00:00:00