Acute Patellar and Chronic Patellar Instability Eric J. Wall Jay C. Albright Sarah R. Steward DEFINITION Patellar instability in children and adolescents usually involves an episode of complete dislocation of…
Osteochondritis Dissecans and Large Osteochondral Defects of the Knee Kevin G. Shea John Polousky Noah Archibald-Seiffer DEFINITION Osteochondritis dissecans (OCD) is a focal idiopathic alteration of subchondral bone with risk…
Anterior Cruciate Ligament Reconstruction in the Skeletally Immature Patient J. Todd R. Lawrence R. Jay Lee Mininder S. Kocher DEFINITION Skeletally immature patients have open growth plates, or physes, and…
Meniscoplasty for Discoid Lateral Meniscus Jay C. Albright DEFINITION A discoid meniscus is abnormal in both thickness and amount of covering or interposition of the compartment or plateau. Over 99%…
Arthroscopic Drilling and Fixation of Osteochondritis Dissecans Theodore J. Ganley Kevin G. Shea Nathan L. Grimm DEFINITION Osteochondritis dissecans (OCD) is described as a focal, idiopathic alteration of subchondral bone…
Arthroscopy-Assisted Management or Open Reduction and Internal Fixation of Tibial Spine Fractures Itai Gans Theodore J. Ganley DEFINITION Tibial spine fractures are bony avulsions of the anterior cruciate ligament (ACL)…
Upper Tibial Osteotomy (High Tibial Osteotomy) Tomoyuki Saito Yasushi Akamatsu Ken Kumagai DEFINITION High tibial osteotomy (HTO) is realignment surgery, which has developed for treating medial compartment osteoarthritis (OA) of…
Deepening Trochleoplasty David Dejour Justin W. Griffin Paulo Saggin David R. Diduch DEFINITION Trochlear dysplasia is a pathologic condition occurring in approximately 3% of the population but up to 96%…
Tibial Tubercle Transfer John P. Fulkerson DEFINITION Tibial tubercle transfer is a versatile surgical alternative in the treatment of difficult and resistant patellofemoral disorders ranging from patellofemoral instability to patellofemoral…
Medial Patellofemoral Ligament Reconstruction Hany Elrashidy Joseph Carney Najeeb Khan Donald C. Fithian DEFINITION Stability of the patellofemoral joint (PFJ) is multifactorial as it depends on limb alignment, interaction of…
