Patient History
47M pt c/o pain in lateral ankle radiating up lateral lower leg
Findings
ARTICULATIONS:
Bone: Unstable mildly displaced nonshouldered osteochondral defect surrounded by osteoedema located at the medial weight-bearing surface of the talar dome and measures 6mm in depth, 8mm in width and 11mm in anteroposterior dimensions.
Tibiotalar joint: No arthrosis.
Hindfoot: No arthrosis.
Midfoot: Focal penetrating chondromalacia with tiny subchondral arthropathic cysts at the talonavicular joint.
LIGAMENTS:
The anterior talofibular, calcaneofibular, posterior talofibular, lateral high ankle ligaments, syndesmosis and deltoid ligament complex are intact.
TENDONS:
Peroneus Longus/Brevis: Intact.
Posterior Tibialis: Intact.
Flexor Compartment: Intact.
Extensor Compartment: Intact.
GENERAL:
Muscles: No traumatic muscle injury. No volumetric muscle atrophy.
Soft Tissue: Unremarkable.
Plantar Fascia: Intact.
Joint Effusion: 1-2+.
Intra-Articular/Loose Bodies: None.
Impressions
1. A 6mm x 8mm x 11mm, unstable, mildly displaced, nonshouldered osteochondral defect at the medial weight-bearing surface of the talar dome.
2. Tiny focal penetrating chondromalacia at the talonavicular joint.
