Direct Bone Marrow Injections for Avascular Necrosis of the Talus: A Case Report
Avascular necrosis (AVN) of the talus is a debilitating condition, often leading to arthritis and arthrosis of the subtalar and ankle joints. There are three basic categories of cause for AVN. Approximately 10% of AVN of the talus is considered idiopathic: 15% is medication induced and 75% from trauma. The most feared complication of talar injuries is AVN.