Enthesophyte

An enthesophyte, consisting of calcification deposits within the Achilles tendon at its calcaneal insertion. The Achilles tendon is wider than normal, further suggesting inflammation.

Enthesophytes are abnormal bony projections at the attachment of a tendon or ligament.^[1] They are not to be confused with osteophytes, which are abnormal bony projections in joint spaces. Enthesophytes and osteophytes are bone responses for stress.^[1]

a-c) Grade 1,2, and 3 of pelvic radiographs of enthesophytes

References

1 2 Rogers, J.; Shepstone, L.; Dieppe, P. (1997). "Bone formers: osteophyte and enthesophyte formation are positively associated". Extended Reports. Annals of the Rheumatic Diseases. 56 (2): 85–90. doi:10.1136/ard.56.2.85. PMC 1752321. PMID 9068279.

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[Rheumatic-1] 1 2 Rogers, J.; Shepstone, L.; Dieppe, P. (1997). "Bone formers: osteophyte and enthesophyte formation are positively associated". Extended Reports. Annals of the Rheumatic Diseases. 56 (2): 85–90. doi:10.1136/ard.56.2.85. PMC 1752321. PMID 9068279.

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