Intracranial calcification in children with osteopetrosis caused by carbonic anhydrase II deficiency.

abstract：:Power Doppler sonography was used in eight symptomatic knees in seven patients with arthritis before and after joint aspiration and intraarticular administration of steroids. A qualitative decrease in synovial perfusion was observed in all eight knees, and symptoms improved in seven of the eight cases. These prelimina...

journal_title：Radiology

authors： Newman JS,Laing TJ,McCarthy CJ,Adler RS

更新日期：1996-02-01 00:00:00

abstract：:A 22 gauge "skinny core" (Madayag) biopsy needle, an 18 gauge Menghini needle, and a 14 gauge Tru-cut needle were compared in 51 patients. The Madayag needle was found to have a high recovery rate and provided adequate histological information in a large percentage of cases. However, the larger needles more consistent...

journal_title：Radiology

authors： Haaga JR,LiPuma JP,Bryan PJ,Balsara VJ,Cohen AM

更新日期：1983-03-01 00:00:00

abstract：PURPOSE:To evaluate the frequency of the supraacetabular fossa (SAF) (pseudodefect of acetabular cartilage) at magnetic resonance (MR) arthrography of the hip and to compare the MR findings with those from arthroscopy. MATERIALS AND METHODS:All patients gave written permission for anonymized use of their medical data ...

journal_title：Radiology

authors： Dietrich TJ,Suter A,Pfirrmann CW,Dora C,Fucentese SF,Zanetti M

更新日期：2012-05-01 00:00:00

abstract：PURPOSE:To assess the ability of an extravasation detection accessory (EDA) to detect clinically important (> or = 10 mL) extravascular injection of iodinated contrast material delivered with an automated power injector. MATERIALS AND METHODS:Five hundred patients referred for contrast material-enhanced body computed ...

journal_title：Radiology

authors： Birnbaum BA,Nelson RC,Chezmar JL,Glick SN

更新日期：1999-08-01 00:00:00

abstract：:Eleven hundred sixty-three patients with squamous cell carcinoma of the upper respiratory and digestive tracts, treated from January 1948 through December 1965, had no evidence of disease five years after the initial treatment and no other manifestation of squamous cell carcinoma within the first five years. After fiv...

journal_title：Radiology

authors： Kogelnik HD,Fletcher GH,Jesse RH

更新日期：1975-05-01 00:00:00

abstract：PURPOSE:To categorize errors in interpretation of magnetic resonance (MR) images of the knee and explain the discrepancy between MR imaging and diagnostic arthroscopic findings. MATERIALS AND METHODS:Five hundred sixty-one patients underwent arthroscopy and MR imaging of the knee. Prospective and retrospective reading...

journal_title：Radiology

authors： Justice WW,Quinn SF

更新日期：1995-09-01 00:00:00

abstract：PURPOSE:To perform a systematic review to evaluate the diagnostic accuracy of hepatobiliary (HPB) phase gadoxetic acid-enhanced MR imaging of the liver in the diagnosis of focal nodular hyperplasia (FNH) versus hepatocellular adenoma (HCA) and to identify the rate of (a) reported HCAs that are iso- or hyperintense to l...

journal_title：Radiology

authors： McInnes MD,Hibbert RM,Inácio JR,Schieda N

更新日期：2015-11-01 00:00:00

abstract：PURPOSE:To assess and compare intimal and medial vascular damage caused by three mechanical wall-contact thrombectomy devices: Fogarty embolectomy catheter, Arrow-Trerotola peripheral thrombectomy device, and MTI-Castañeda over-the-wire brush. MATERIALS AND METHODS:Bilateral external iliac arteries of 15 canines were ...

journal_title：Radiology

authors： Castañeda F,Li R,Patel J,DeBord JR,Swischuk JL

更新日期：2001-04-01 00:00:00

abstract：:Eleven lesions of the brain were analyzed and compared; they had absorption coefficients uniformly at the cerebrospinal fluid (CSF) level following contrast enhancement, and ranged from benign to malignant and solid to cystic. Grossly solid tumors may have absorption coefficients on the CT scan equal to CSF even after...

journal_title：Radiology

authors： Latchaw RE,Gold LH,Moore JS Jr,Payne JT

更新日期：1977-10-01 00:00:00

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 compare survival of patients who undergo treatment in protocols versus survival of patients not in protocols. MATERIALS AND METHODS:Records of 81 adult patients with small-cell lung cancer who underwent chemotherapy and radiation therapy in 1987-1992 were reviewed retrospectively. Forty-one patients were in...

journal_title：Radiology

authors： Schea RA,Perkins P,Allen PK,Komaki R,Cox JD

更新日期：1995-12-01 00:00:00

abstract：PURPOSE:To retrospectively determine whether blood oxygen level-dependent functional magnetic resonance (MR) imaging can aid prediction of postoperative memory changes in epileptic patients after temporal lobe surgery. MATERIALS AND METHODS:This study was approved by the local ethics committee, and informed consent wa...

journal_title：Radiology

authors： Dupont S,Duron E,Samson S,Denos M,Volle E,Delmaire C,Navarro V,Chiras J,Lehéricy S,Samson Y,Baulac M

更新日期：2010-04-01 00:00:00

abstract：:Purpose To test whether MPO-Gd, an activatable molecular magnetic resonance (MR) imaging agent specific for myeloperoxidase (MPO) activity, could detect MPO activity in nonalcoholic steatohepatitis (NASH) mouse models and human liver biopsy samples. Materials and Methods In this study, 20 leptin receptor-deficient and...

journal_title：Radiology

authors： Pulli B,Wojtkiewicz G,Iwamoto Y,Ali M,Zeller MW,Bure L,Wang C,Choi Y,Masia R,Guimaraes AR,Corey KE,Chen JW

更新日期：2017-08-01 00:00:00

abstract：:Cerebral amyloid angiopathy (CAA) is a cause of intracerebral hemorrhage in a significant proportion of normotensive patients. Two cases of pathologically proved multiple intracerebral hemorrhages due to CAA are reported. These hemorrhages are accurately demonstrated on computed tomography and are typically superficia...

journal_title：Radiology

authors： Patel DV,Hier DB,Thomas CM,Hemmati M

更新日期：1984-05-01 00:00:00

abstract：PURPOSE:To prospectively determine sensitivity and specificity of breast magnetic resonance (MR) imaging in a screening and symptomatic population by using independent double reading, with histologic or cytologic results or a minimum 18-month follow-up as the standard. MATERIALS AND METHODS:Informed consent and ethica...

journal_title：Radiology

authors： Warren RM,Pointon L,Thompson D,Hoff R,Gilbert FJ,Padhani A,Easton D,Lakhani SR,Leach MO,UK Magnetic Resonance Imaging in Breast Screening (MARIBS) Study Group.

更新日期：2005-09-01 00:00:00

abstract：:In a study of 726 patients, xeroradiography of the thyroid using a modified oblique projection was found to be superior to conventional soft-tissue radiography in detecting calcification in thyroid tumors because of edge enhancement. This facilitated a diagnosis of carcinoma in 75% of 68 primary tumors and 55% of 33 r...

journal_title：Radiology

authors： Kasai N,Tsuya A

更新日期：1981-11-01 00:00:00

abstract：:Image compression is essential to handle a large volume of digital images, including computed tomographic, magnetic resonance, computed radiographic, and digitized images in a digital radiology operation. Developed during the past few years, full-frame bit allocation performed with the cosine transform technique has b...

journal_title：Radiology

authors： Sayre JW,Ho BK,Boechat MI,Hall TR,Huang HK

更新日期：1992-11-01 00:00:00

abstract：:Percutaneous transperitoneal fine-needle lymph-node biopsy was performed in 52 patients to establish a diagnosis of metastatic disease in nodal defects detected during lymphography. The procedure was found to be highly accurate, with few false-negatives and no false-positives. ...

journal_title：Radiology

authors： Macintosh PK,Thomson KR,Barbaric ZL

更新日期：1979-06-01 00:00:00

abstract：PURPOSE:To evaluate the intrapatient reproducibility of the extent and anatomic distribution of air trapping at sequential expiratory thin-section computed tomographic (CT) examinations in heart-lung transplant recipients. MATERIALS AND METHODS:Nineteen heart-lung transplant recipients (eight with and 11 without bronc...

journal_title：Radiology

authors： Bankier AA,Van Muylem A,Scillia P,De Maertelaer V,Estenne M,Gevenois PA

更新日期：2003-12-01 00:00:00

abstract：:Extramedullary plasmacytoma is a rare form of plasma cell dyscrasia, in which malignant plasma cell tumors arise outside the bone marrow. The tumor may arise in any part of the body but the vast majority occur in the head and neck, primarily in the nasal cavity, paranasal sinuses, or upper airway. Six patients with ex...

journal_title：Radiology

authors： Schabel SI,Rogers CI,Rittenberg GM,Bubanj R

更新日期：1978-09-01 00:00:00

abstract：PURPOSE:To evaluate intra- and interobserver variability, as well as agreement for nodule size measurements on chest tomosynthesis and computed tomographic (CT) images. MATERIALS AND METHODS:The Regional Ethical Review Board approved this study, and all participants gave written informed consent. Thirty-six segmented ...

journal_title：Radiology

authors： Johnsson ÅA,Fagman E,Vikgren J,Fisichella VA,Boijsen M,Flinck A,Kheddache S,Svalkvist A,Båth M

更新日期：2012-10-01 00:00:00

abstract：:High-resolution, real-time sonography of the rotator cuff was performed in 51 shoulders, and the results were correlated with findings obtained during subsequent surgery. Prospective sensitivity of sonography in detection of a tear was 100%; specificity, 75%; and accuracy, 92%. Retrospective estimation of tear size on...

journal_title：Radiology

authors： Hodler J,Fretz CJ,Terrier F,Gerber C

更新日期：1988-12-01 00:00:00

abstract：PURPOSE:To prospectively assess bone marrow (BM) angiogenesis in patients with acute myeloid leukemia (AML) by using iron oxide-enhanced magnetic resonance (MR) imaging. MATERIALS AND METHODS:The study was institutional ethics committee approved. Informed signed consent was obtained from each study participant. The re...

journal_title：Radiology

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

更新日期：2007-01-01 00:00:00

abstract：:This report is to complement the original Fleischner Society recommendations for incidentally detected solid nodules by proposing a set of recommendations specifically aimed at subsolid nodules. The development of a standardized approach to the interpretation and management of subsolid nodules remains critically impor...

journal_title：Radiology

authors： Naidich DP,Bankier AA,MacMahon H,Schaefer-Prokop CM,Pistolesi M,Goo JM,Macchiarini P,Crapo JD,Herold CJ,Austin JH,Travis WD

更新日期：2013-01-01 00:00:00

abstract：:Normal pancreatic ultrasound studies of 28 patients were evaluated as to pancreatic echogenicity and correlated with the morphologic appearance of the pancreas on CT to test the hypothesis that increasing pancreatic echogenicity is related to greater fat infiltration. Statistical analysis indicates that fat is a major...

journal_title：Radiology

authors： Marks WM,Filly RA,Callen PW

更新日期：1980-11-01 00:00:00

abstract：PURPOSE:To retrospectively evaluate the sensitivity and specificity of 64-detector computed tomography (CT) in the portal venous phase by using transverse images and both multiplanar and minimum intensity reformations for the detection of biliary duct narrowing and choledocholithiasis, with magnetic resonance cholangio...

journal_title：Radiology

authors： Anderson SW,Rho E,Soto JA

更新日期：2008-05-01 00:00:00

abstract：PURPOSE:To explore the lower limits for radiofrequency (RF) power-induced specific absorption rate (SAR) achievable at 1.5 T for brain magnetic resonance (MR) imaging without loss of tissue signal or contrast present in high-SAR clinical imaging in order to create a potentially viable MR method at ultra-low RF power to...

journal_title：Radiology

authors： Sarkar SN,Alsop DC,Madhuranthakam AJ,Busse RF,Robson PM,Rofsky NM,Hackney DB

更新日期：2011-05-01 00:00:00

abstract：:A method by which the tissue parameters - T1, T2, and proton density - can be measured simultaneously was used in 160 patients with brain tumors to test the complete potential of magnetic resonance (MR) imaging for quantitative tissue characterization. MR tissue parameters of a wide variety of tumors, edema, white mat...

journal_title：Radiology

authors： Just M,Thelen M

更新日期：1988-12-01 00:00:00

abstract：PURPOSE:To evaluate the sensitivity and specificity of scintigraphy with technetium 99m white blood cells (WBC) for detection of colonic inflammation in children with and children without inflammatory bowel disease (IBD). MATERIALS AND METHODS:In 215 patients, uptake of 99mTc WBC in 3,440 bowel segments was graded. In...

journal_title：Radiology

authors： Charron M,del Rosario FJ,Kocoshis SA

更新日期：1999-08-01 00:00:00

abstract：:Recent reports have indicated that non-contrast material-enhanced scans are of less value than urographic contrast material-enhanced studies in the computed tomographic (CT) evaluation of hepatic metastases. The authors retrospectively reviewed the CT scans of 28 patients with hypervascular liver metastases to determi...

journal_title：Radiology

authors： Bressler EL,Alpern MB,Glazer GM,Francis IR,Ensminger WD

更新日期：1987-01-01 00:00:00