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Investigative radiology.
Publisher:
Lippincott Williams & Wilkins. Hagerstown, MD : Lippincott Williams & Wilkins (1998)
Frequency: Monthly
Country: United States
Language: English
Start Year:1966 -
Identifiers
| ISSN: | 0020-9996 (Print) 1536-0210 (Electronic) 0020-9996 (Linking) |
| NLM ID: | 0045377 |
| (DNLM): | I38000000(s) |
| (OCoLC): | 01753822 |
| Coden: | INVRAV |
| Classification: | W1 IN995E |
Low-field magnetic resonance imaging (0.2 T) of tendons with sonographic and histologic correlation. Cadaveric study. The authors evaluate the role of low-field strength magnetic resonance imaging (MRI) compared with sonography in the evaluation of degenerative changes of tendons, with histologic correlation, based on investigations of horse cadavers. Methods: Low-field MRI and sonography was performed in 42 hours specimens for the evaluation of tendons and ligaments. Magnetic resonance imaging included sagittal and axial T1-weighted, T2-weighted, and gradient echo images. Sonography and MR images were evaluated for degenerative changes or tears and the findings were correlated with the histologic results. Re...
The use of dual-energy x-ray absorptiometry in animals. The use of dual-energy absorptiometry (DXA) to measure bone mineral content (BMC) and bone mineral density (BMD) is widespread in humans and has been adapted to animals because of the need to examine bone and body composition in longitudinal studies. In this review, the indications and techniques for DXA in small-sized animals (rodents, cats, and rabbits) and large-sized animals (dogs, swine, nonhuman primates, sheep, and horses) are discussed. Now that software has been developed for measuring BMD in small laboratory animals, the most frequent use of DXA in animals is in rats. An ultrahigh-re...
Short echo time magnetic resonance imaging of tendon. Current clinical magnetic resonance (MR) imaging studies provide almost no useful signal from normal tendon and have no clear advantage over other imaging modalities in the evaluation of tendon injuries. The authors believe that tendon MR signal may be T2-limited, and, if so, could be enhanced by short echo time (TE) pulse sequences. The relationship of tendon signal intensity and tendon infrastructure conspicuity to TE was assessed at three different field strengths. Methods: Magnetic resonance imaging studies were performed on samples of normal equine tendon at 3 different field strengths wi...
