54-year-old female with pain and swelling and a negative x-ray. TENDONS: The extensor tendons appear intact. The flexor tendons appear intact. The Achilles tendon is normal in appearance. The peroneal tendons appear intact. There is circumferential fluid within the tendon sheath of the peroneus longus which may represent a mild tenosynovitis versus fluid extension from the joint space.LIGAMENTS: The lateral collateral ligament complex appears intact. The distal tibiofibular syndesmotic complex appears intact. The visualized components of the deltoid ligament appear intact.ARTICULAR SURFACES AND BONE: No bone marrow signal abnormality is identified. No articular cartilage defects are seen. ADDITIONAL
Findings suggestive of a mild tenosynovitis of the peroneus longus tendon as well as subcutaneous edema most pronounced along the lateral aspect of the ankle.