Abstract:
:As computer networks become an integral part of the radiology practice, it is appropriate to raise concerns regarding their security. The purpose of this article is to present an overview of computer network security risks and preventive strategies as they pertain to the radiology enterprise. A number of technologies are available that provide strong deterrence against attacks on networks and networked computer systems in the radiology enterprise. While effective, these technologies must be supplemented with vigilant user and system management.
journal_name
Radiologyjournal_title
Radiologyauthors
Eng Jdoi
10.1148/radiology.220.2.r01au32303subject
Has Abstractpub_date
2001-08-01 00:00:00pages
303-9issue
2eissn
0033-8419issn
1527-1315journal_volume
220pub_type
杂志文章,评审相关文献
RADIOLOGY文献大全abstract::In his review of the AAPM statement on ultrasound, the author feels that allowing "some" research or demonstration on normal persons in the face of cautionary statements on as yet unknown side effects is an inconsistent position. The use of videotapes and the development of simulators hacked by data banks are offered...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/116.3.739
更新日期:1975-09-01 00:00:00
abstract::Phase-contrast x-ray computed tomography (CT) indicates the distribution of the refractive index and has potential to reveal the structures inside soft tissues without a contrast agent. With a synchrotron x-ray source, phase-contrast x-ray CT with a triple Laue-case x-ray interferometer clearly differentiated various ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.214.1.r00ja08298
更新日期:2000-01-01 00:00:00
abstract::Background Radiomics extracts features from medical images more precisely and more accurately than visual assessment. However, radiomics features are affected by CT scanner parameters such as reconstruction kernel or section thickness, thus obscuring underlying biologically important texture features. Purpose To inves...
journal_title:Radiology
pub_type: 杂志文章,多中心研究
doi:10.1148/radiol.2019182023
更新日期:2019-04-01 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
pub_type: 杂志文章
doi:10.1148/radiol.12111397
更新日期:2012-05-01 00:00:00
abstract:PURPOSE:To assess how early pleural and/or parenchymal abnormalities consistent with asbestos exposure could be ascertained and to identify factors associated with progression. MATERIALS AND METHODS:Informed consent was obtained under an institutional review board-approved protocol. Multiple sequential chest radiograp...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.10091447
更新日期:2010-06-01 00:00:00
abstract::In nine neonates, spontaneous regression of a multicystic dysplastic kidney (MCDK) was witnessed by means of repeated ultrasound (US) examinations. In three of these patients, the diagnosis was made in utero. Follow-up examinations at the ages of 3, 5, and 32 weeks post-partum showed what would have been called unilat...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.161.1.3532180
更新日期:1986-10-01 00:00:00
abstract:PURPOSE:To prospectively determine the cellular iron uptake by using R2 and R2* mapping with multiecho readout gradient-echo and spin-echo sequences. MATERIALS AND METHODS:All experiments were approved by the institutional animal care committee. Lung carcinoma cells were lipofected with superparamagnetic iron oxides (...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2451061345
更新日期:2007-11-01 00:00:00
abstract::Purpose To determine the association between the administration of the macrocyclic contrast medium gadobutrol and T1 relaxation time in the brains of patients with normal renal function by using multidynamic multiecho (MDME) magnetic resonance (MR) imaging sequences. Materials and Methods The institutional review boar...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2017162852
更新日期:2018-04-01 00:00:00
abstract::Background Early stage hepatocellular carcinoma (HCC) is the ideal candidate for resection in patients with preserved liver function; however, cancer will recur in half of these patients and no reliable prognostic tool has been established. Purpose To investigate the effectiveness of radiomic features in predicting tu...
journal_title:Radiology
pub_type: 杂志文章,多中心研究
doi:10.1148/radiol.2020191470
更新日期:2020-03-01 00:00:00
abstract::Gadolinium chelates, intended as intravenous contrast media for magnetic resonance imaging, have been regarded as nonnephrotoxic and recommended to replace iodinated contrast media in patients with azotemia who are undergoing digital subtraction angiography (DSA). High intraarterial doses (up to 220 mmol of gadodiamid...
journal_title:Radiology
pub_type: 杂志文章,评审
doi:10.1148/radiol.2232010221
更新日期:2002-05-01 00:00:00
abstract::Enemas of various solutions were administered to rats to determine if Gastrografin was specifically irritating to the colonic mucosa. Gastrografin was found to cause considerably more inflammation than Hypaque-25, or barium sulfate. Further studies with hypertonic sorbitol, Renografin-76, and Tween 80 suggested that (...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/118.3.545
更新日期:1976-03-01 00:00:00
abstract::Twenty-nine subjects with occupational asbestos exposure and clinical asbestosis were examined with high-resolution computed tomography (HRCT) to determine its sensitivity, relative to that of conventional computed tomography (CT), for detection of benign asbestos-related disease. Thin-section HRCT scans were obtained...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.166.3.3340770
更新日期:1988-03-01 00:00:00
abstract::Three patients with surgically proved pancreatic carcinoma and one with chronic and acute pancreatitis were evaluated by computed tomography. Scans through the pancreatic region were initially performed with standard 10-mm collimation and then repeated using thin-section (5-mm) collimation. In all cases a pathological...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.134.1.7350620
更新日期:1980-01-01 00:00:00
abstract:PURPOSE:To compare observer performance by using soft-copy images produced by an amorphous silicon flat-panel-detector system and a storage-phosphor system for the detection of simulated chest lesions. MATERIALS AND METHODS:To test the diagnostic performance of these two systems, four types of simulated lesions (nodul...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2241011441
更新日期:2002-07-01 00:00:00
abstract::High-frequency (10-MHz) sonography demonstrated a cervical mass or lymphadenopathy, or both, during postoperative follow-up of 52 patients who had undergone surgery for thyroid cancer. Percutaneous biopsy with ultrasonographic (US) guidance was performed in all 52 masses, 44 of which were nonpalpable. Malignant cells ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.168.3.3043550
更新日期:1988-09-01 00:00:00
abstract::Forty-four pathologically proved mammary carcinomas were studied by clinical examination, xeroradiography, and ultrasonography with a dedicated whole-breast scanner. Abnormalities reflecting carcinoma were shown by echography in 90% of cases and xeromammography in 97%. Ultrasonic manifestations of malignancy were sepa...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.142.3.7063690
更新日期:1982-03-01 00:00:00
abstract::Both ultrasonography and x-ray mammography were performed on a male patient who had breast carcinoma. While the x-ray mammographic features were highly suggestive of malignancy, the sonographic findings were subtle. Because of the technical difficulties associated with x-ray mammography of the male breast, ultrasound ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.149.2.6622700
更新日期:1983-11-01 00:00:00
abstract::The purpose of this study was to assess the blooming artifacts in ex vivo coronary arteries at multidetector computed tomography (CT) and flat-panel-volume CT by comparing measured areas of calcified plaque with respect to the reference standard of histopathologic findings. Three ex vivo hearts were scanned with multi...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2483072003
更新日期:2008-10-01 00:00:00
abstract::From July 1993 through June 1994, the authors performed 42 ultrasound (US)-guided core biopsies with use of a coaxial technique in which a 14- or 15-gauge core biopsy needle was passed through a 12-gauge introducer needle. This technique proved to be effective in all 42 biopsies. Use of the coaxial technique decreased...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.194.2.7824740
更新日期:1995-02-01 00:00:00
abstract::Purpose To investigate the feasibility of deformable, motion-coherent modeling based on electrocardiography-gated multidetector computed tomographic (CT) angiography of the thoracic aorta and to evaluate whether quantifiable information on aortic wall stress as a function of patient-specific cardiovascular parameters ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2015151078
更新日期:2016-07-01 00:00:00
abstract::Percutaneous transcatheter embolization of the coronary arteries with autologous clot was performed in six dogs. The occlusions resolved completely within 14 days in the four surviving dogs. Postmortem examination revealed transmural myocardial infarction in two dogs and subendocardial infarcts in the other two. Histo...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/128.1.31
更新日期:1978-07-01 00:00:00
abstract::The hemodynamic effects of intra-material prostaglandin E1 (PE1) administered via the angiographic catheter were evaluated in 14 patients. Blood flow in the superior mesenteric artery (SMA) after PGE1 infusion was compared with control SMA blood flow as measured by the "spillover" angiographic reflux method, using a s...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.134.2.7352210
更新日期:1980-02-01 00:00:00
abstract:PURPOSE:To assess the value of dynamic magnetic resonance (MR) imaging in patients with mammographically detected suspicious microcalcifications. MATERIALS AND METHODS:Sixty-three patients (age range, 31-84 years; mean age, 56 years) with mammographically suspicious clustered microcalcifications underwent dynamic MR i...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.207.3.9609890
更新日期:1998-06-01 00:00:00
abstract:PURPOSE:To evaluate multi- and single-detector row computed tomographic (CT) depiction of anatomic landmarks of temporal bone. MATERIALS AND METHODS:Institutional review board approval and written informed consent were obtained. In 50 temporal bones, transverse and coronal single-detector row CT images were compared w...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2351020895
更新日期:2005-04-01 00:00:00
abstract::I-123 HIPDM is a brain imaging agent thought to reflect cerebral cortical perfusion. Increased uptake of I-123 HIPDM occurred unexpectedly in two cases of intracranial tumors. ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.161.2.3763910
更新日期:1986-11-01 00:00:00
abstract:PURPOSE:To evaluate fluorine 18 ((18)F) dihydroxyphenylalanine (DOPA) whole-body positron emission tomography (PET) as a biochemical imaging approach for detection of pheochromocytomas. MATERIALS AND METHODS:(18)F DOPA PET and magnetic resonance (MR) imaging were performed in 14 consecutive patients suspected of havin...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2222010622
更新日期:2002-02-01 00:00:00
abstract::Esophageal atresia may be associated with a long interval or gap between the upper and lower pouches. Despite a variety of procedures to elongate the esophagus, surgeons have been unable to achieve esophageal continuity in many patients. Three infants with esophageal atresia and long gaps recently underwent hydrostati...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.171.3.2717760
更新日期:1989-06-01 00:00:00
abstract::An International Symposium was held in Atlanta in 1992 to present the state of the art of diagnostic evaluation and management of acute pancreatitis and to agree on an acceptable series of clinical definitions for classifying the disease and its complications. The symposium was composed of 40 internationally recognize...
journal_title:Radiology
pub_type: 杂志文章,评审
doi:10.1148/radiology.193.2.7972730
更新日期:1994-11-01 00:00:00
abstract::Enlarged gastroesophageal veins were successfully obliterated in 41 patients using embolization with modified autogenous clots and/or Gelfoam, balloon occlusion, iatrogenic perivenous hematoma, sclerosing agents (Sotradecol and Keflin), or a combination of these methods. Thirteen patients were actively bleeding when s...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/124.2.313
更新日期:1977-08-01 00:00:00
abstract::Diagnostic quality of radiographs and adverse reactions associated with the use of metrizamide and iohexol as contrast agents in lumbar myelography were compared in a prospective randomized double blind study in 350 patients at seven centers. The contrast media were administered in comparable volumes at a concentratio...
journal_title:Radiology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1148/radiology.151.3.6371890
更新日期:1984-06-01 00:00:00