Patella Fractures: Approach to Treatment

Damayea I. Hargett, MD; Brent R. Sanderson, DO; Milton T.M. Little, MD


J Am Acad Orthop Surg. 2021;29(6):244-253. 

In This Article


Patella fractures are commonly described by fracture pattern and amount of displacement. The Arbeitsgemeinshaft für Osteosynthesefragen (AO) classification uses the long bone classification system described by Müller. In contrast, and the Orthopaedic Trauma Association is based on the degree of articular involvement and the number of fracture fragments.