Pseudosparing of the endplate: a potential pitfall in using MR imaging to diagnose infectious spondylitis.
case_series · Level IV
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Abstract
The objective of this study was to describe a potential pitfall in using MR imaging to diagnose infectious spondylitis called "pseudosparing" of the endplate, in which the diseased endplate appears to be better defined than a healthy endplate. Poor definition of the endplate is a classic radiographic finding in infectious spondylitis; on MR imaging, however, increased conspicuity, or "pseudosparing," was common in our study. Pseudosparing occurs when the normal chemical shift artifact seen in healthy endplates is lost as a result of infiltration of the bone marrow by a pathologic process.
Medical subject headings
- Bacterial Infections
- Spondylitis