Right ankle pain TENDONS: A trace amount of fluid is seen about the posterior tibialis tendon with some flattening and irregularity along its inferior tibial course.LIGAMENTS: No significant abnormality noted.ARTICULAR SURFACES AND BONE: There is moderate to severe osteoarthritic changes of the foot particularly of the talonavicular articulation with possible healed erosions. ADDITIONAL
1. Moderate to severe osteoarthritic changes of the midfoot which may be secondary to rheumatoid given the patient's history and age.2. Irregularity of the posterior tibialis tendon which may reflect some interstitial degeneration/tearing.3. Mild fatty atrophy of the plantar musculature.