Abstract:
:Pyelovenous and pyelolymphatic backflow have been observed during retrograde pyelography in three patients with renal vein thrombosis. The radiographic patterns of backflow following experimental unilateral renal vein occlusion in rabbits were analyzed and correlated with the clinical findings. Capsular, perihilar, periureteric, and retroperitoneal collateral vein networks and lymphatic channels were demonstrated on the venous occluded side. The appearance shown in the experimental study correlate well with the clinical observations.
journal_name
Invest Radioljournal_title
Investigative radiologyauthors
Bidgood WD Jr,Cuttino JT Jr,Clark RL,Volberg FMdoi
10.1097/00004424-198101000-00003subject
Has Abstractpub_date
1981-01-01 00:00:00pages
13-9issue
1eissn
0020-9996issn
1536-0210journal_volume
16pub_type
杂志文章abstract::Dense cavitary "photopenia" was observed on 21 of 200 consecutive stress perfusion scintigrams. A prominent finding in many cases, it sometimes occupied only a portion of the region overlying the ventricular cavity, was often seen in some projections and not others, and was frequently adjacent to myocardial perfusion ...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-198507000-00009
更新日期:1985-07-01 00:00:00
abstract::A battery of tests for toxicity assessment of new contrast media is reviewed. Cell toxicity in a protozoan culture (Blepharisma americanum); lethal dose determination in mice; EEG Spectral analysis following cisternography in rabbits; ED50 and LD50 determination by intra- and pericerebral injection in rats; intraciste...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-198011001-00053
更新日期:1980-11-01 00:00:00
abstract::The authors conducted an observer performance study to compare breast lesion detection of conventional mammography (CM) with teleradiology (TE) transmitted mammograms. One hundred four abnormal, single-projection mammographic images were transmitted by teleradiology. Abnormalities included 11 cases with skin thickenin...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-199010000-00007
更新日期:1990-10-01 00:00:00
abstract::We developed a new, cineangiographic method to accurately measure the dynamic changes in the internal diameter of human arteries in vivo. Cine films were digitized at a spatial resolution of 4 microns/pixel, using a line image sensor. The vessel edges, with a Gaussian fit to a unilateral profile curve of the vessel, w...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-198909000-00005
更新日期:1989-09-01 00:00:00
abstract::A radiographic method for use in the closed-chest dog is described which allows the quantitation of segmental mechanical performance. Previous work has shown that the area of the pressure-length loop (an approximation of a stress-strain integral) is a useful measure of the mechanical work performed by a segment of myo...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-197611000-00010
更新日期:1976-11-01 00:00:00
abstract:RATIONALE AND OBJECTIVES:To improve the accuracy of magnetic resonance imaging (MRI) in evaluating the response of osteosarcomas to preoperative chemotherapy, the authors developed a technique of mapping tumor necrosis and viability by quantitating slope values of gadolinium-DTPA (Gd-DTPA) uptake on dynamic fast low-an...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-199205000-00010
更新日期:1992-05-01 00:00:00
abstract::Altered concentrations of brain beta endorphin and spinal cord encephalin have been reported in mice with iatrogenic arachnoiditis. We measured beta-endorphin concentration in cerebrospinal fluid (CSF) in normal monkeys and in monkeys with various degrees of arachnoiditis resulting from myelography and spinal surgery ...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-198803000-00006
更新日期:1988-03-01 00:00:00
abstract:RATIONALE AND OBJECTIVES:To compare gadobenate dimeglumine (Gd-BOPTA) with gadopentetate dimeglumine (Gd-DTPA) for magnetic resonance imaging of the liver. METHODS:The contrast agent Gd-BOPTA or Gd-DTPA was administered at a dose of 0.1 mmol/kg to 257 patients suspected of having malignant liver tumors. Dynamic phase ...
journal_title:Investigative radiology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1097/00004424-200111000-00002
更新日期:2001-11-01 00:00:00
abstract:OBJECTIVES:To evaluate the potential of quantitative assays of vascular characteristics based on dynamic contrast-enhanced magnetic resonance imaging (MRI) using a macromolecular contrast medium (MMCM) to search for and measure effects of dimethyl sulfoxide (DMSO) on cancer vasculature with microscopic correlations. M...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/RLI.0b013e318164b71d
更新日期:2008-05-01 00:00:00
abstract:BACKGROUND:Nephrogenic systemic fibrosis (NSF) has been related to the use of gadolinium-based contrast agents (GBCAs) in patients undergoing dialysis. The Prospective Fibrose Nephrogénique Systémique study, a French prospective study supported by the French drug regulatory agency (Agence Nationale de Sécurité du Médic...
journal_title:Investigative radiology
pub_type: 临床试验,杂志文章
doi:10.1097/RLI.0000000000000000
更新日期:2014-02-01 00:00:00
abstract:PURPOSE:To determine the reproducibility, accuracy, and predictors of accuracy of computed tomography (CT) angiography to detect and characterize coronary atherosclerotic plaque as compared with intravascular ultrasound. METHODS:Ten ex vivo human coronary arteries were imaged in a moving phantom by dual-source CT (col...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/RLI.0b013e3181e0a541
更新日期:2010-11-01 00:00:00
abstract:RATIONALE AND OBJECTIVES:The influence of lipiodol injection on hepatic morphology and function was investigated in 119 rabbits with hepatic VX2 tumors. METHODS:The rabbits were divided into the following three groups, according to the materials injected via the proper hepatic artery: group 1 received doxorubicin (Adr...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-199302000-00009
更新日期:1993-02-01 00:00:00
abstract::Although general suggestions have been made regarding a radiology residency curriculum, no specific list of entities has been offered. Over the past ten years, we have developed a resident-run morning conference in musculoskeletal radiology that is supervised by faculty and covers a specific curriculum. We offer our c...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-199111000-00019
更新日期:1991-11-01 00:00:00
abstract:RATIONALE AND OBJECTIVES:To assess the influence of injection rates and volumes on the arrival time of contrast material (CM) in the common carotid artery, the jugular vein and the resulting arterial-venous transit time. Additionally the relationship between injection parameters and the extent of a CM plateau was evalu...
journal_title:Investigative radiology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1097/01.rli.0000105040.40925.c8
更新日期:2004-02-01 00:00:00
abstract:OBJECTIVES:The objectives of this study were to test the feasibility of an investigational dual-channel next-generation endorectal coil (NG-ERC) in vivo, to quantitatively assess signal-to-noise ratio (SNR), and to get an impression of image quality compared with the current clinically available single-loop endorectal ...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/RLI.0b013e3182a56678
更新日期:2014-01-01 00:00:00
abstract:OBJECTIVES:The aim of this study was to conduct a radiopathologic evaluation of right-angled traction bronchiectasis to differentiate idiopathic pulmonary fibrosis (IPF) without honeycombing from idiopathic nonspecific interstitial pneumonia (NSIP). MATERIALS AND METHODS:The derivation cohort included 78 consecutive p...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/RLI.0000000000000651
更新日期:2020-06-01 00:00:00
abstract::We present a new method for evaluating in vivo changes in bone mineralization in the peripheral skeleton, using computed tomography (CT). A set of bone mineralization indices are generated from numerous CT images of the patient's distal radius. The cross-sectional anatomy displayed by the CT scan allows for separate e...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-197903000-00003
更新日期:1979-03-01 00:00:00
abstract:PURPOSE:To determine whether time-resolved magnetic resonance angiography (TR-MRA) with ultra-low-dose gadolinium chelate (1.5-3.0 mL) can reliably detect or rule out hemodynamically significant disease in the carotid-vertebral artery territory. MATERIALS AND METHODS:Hundred consecutive patients (62 women, 38 men, mea...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/RLI.0b013e31819ca048
更新日期:2009-04-01 00:00:00
abstract:OBJECTIVES:Ferumoxytol, an intravenous iron supplement, can be used in off-label mode as a contrast agent in magnetic resonance imaging. The aim of this study was to assess whether ferumoxytol can be used as a marker of inflammation in animal models of acute and chronic inflammatory kidney diseases. MATERIAL AND METHO...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/RLI.0000000000000209
更新日期:2016-02-01 00:00:00
abstract:RATIONALE AND OBJECTIVES:To compare the visibility and localization of extratemporal cortical lesions in extratemporal epilepsy by using curved reconstruction (CR) and three-dimensional surface rendering (3D SR) of 3D-acquired MR images and to study the degree of confidence with which localizations are made, particular...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-200104000-00005
更新日期:2001-04-01 00:00:00
abstract::Prior to the formation of an intravenous digital subtraction angiography (IV-DSA) image, contrast medium passes through the lesser circulation and is diluted by the blood volume of the heart and lungs. If the contrast medium alone influences central blood volume or cardiac output, the shape of the resultant time-conce...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-198603000-00009
更新日期:1986-03-01 00:00:00
abstract:OBJECTIVE:To investigate the effect of saline chase injected at 2 different rates on computed tomography (CT) angiography. MATERIALS AND METHODS:This study was approved by our institutional animal study committee. Three injection protocols were used; contrast injection (24 mL, 0.8 mL/s) without saline chase (protocol ...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/RLI.0b013e318032a9fe
更新日期:2007-07-01 00:00:00
abstract:OBJECTIVES:To evaluate the performance of black-blood diffusion-weighted (DW)-EPI sequences with parallel imaging for the detection of focal liver lesions in comparison with a standard T2-weighted (T2-w) sequence. MATERIALS AND METHODS:Twenty patients with known or suspected focal liver lesions underwent liver MRI usi...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/RLI.0b013e31816200b5
更新日期:2008-04-01 00:00:00
abstract:RATIONALE AND OBJECTIVES:To compare electron beam tomography (EBT) with MR imaging (MRI) for detection of restenosis after coronary angioplasty (PTCA). METHODS:One hundred eighteen patients after PTCA were investigated. By EBT, 50 axial images were acquired (3-mm slice thickness, 120-160 mL radiographic contrast agent...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-200207000-00005
更新日期:2002-07-01 00:00:00
abstract::A feasibility study is described to provide quantitative texture measures to distinguish between normal lung, alveolar infiltrates and interstitial infiltrates. Advanced computer imaging technology and decision making processes were applied to distinguish between these textural patterns. The results, based on computer...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-197807000-00005
更新日期:1978-07-01 00:00:00
abstract:RATIONALE AND OBJECTIVES:The authors evaluate the use of magnetic resonance (MR) to image pulmonary perfusion in healthy controls and to detect pulmonary defects in patients with unilateral lung transplantation, using dynamic images after contrast administration. METHODS:Five patients with right lung transplantation a...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-199706000-00006
更新日期:1997-06-01 00:00:00
abstract::A method and associated algorithm are presented which allow a simple and accurate determination to be made of the location of small symmetric areas presented in roentgenological images. The method utilizes an operator to visually spot object positions but eliminates the need for critical positoning accuracy on the ope...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-197603000-00007
更新日期:1976-03-01 00:00:00
abstract:RATIONALE AND OBJECTIVES:Laser-induced interstitial thermotherapy (LITT) may become an attractive modality for minimally invasive tumor therapy. Magnetic resonance imaging (MRI) could be used to assist this procedure. METHODS:A T1-weighted turbo fast low-angle shot (FLASH) sequence for on-line monitoring of the laser-...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-199403000-00015
更新日期:1994-03-01 00:00:00
abstract::An ultrasound phantom was constructed simulating fetal femurs in amniotic fluid. Bones of 26, 36, 50, 58, and 70 mm, representative of gestational ages ranging from 17 to 36 weeks, were scanned with mechanical sector, phased sector, and linear array systems (ATL, Diasonics, Acuson, and GE). Measurements were made with...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-198505000-00016
更新日期:1985-05-01 00:00:00
abstract:RATIONALE AND OBJECTIVE:The authors performed a retrospective study in ultrasound to investigate new aspects in the sonomorphology of lymph node metastases of the neck. In this study, it could be demonstrated the first time that the histologic characteristics of the metastases determine the sonographic appearance. In a...
journal_title:Investigative radiology
pub_type: 杂志文章
doi:10.1097/00004424-199609000-00001
更新日期:1996-09-01 00:00:00