From the case:
Enthesopathy vs enthesitis (diagram)
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Enthesophytes/enthesopathy is added bone, enthesitis is destroyed bone. Both result in an irregular cortical contour.
Case Discussion
These illustrations show the important difference between enthesopathy and enthesitis. Enthesophytes/enthesopathy is added bone, enthesitis is destroyed bone. Both result in an irregular cortical contour.