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Traumatic patella instability episodes may result in chondral or osteochondral shear injuries to the medial patella, lateral trochlea, and/or lateral femoral condyle. Joint instability. These osteochondral injuries typically involve the inferomedial pole, the median eminence of the patella , or both and can result either from a shearing injury at the time of dislocation or reduction or from an impaction injury as the patella strikes the nonarticular surface of the anterolateral femoral condyle. incidence. S00-T88 Injury, poisoning and certain other consequences of external causes › S80-S89 Injuries to the knee and lower leg › S82-Fracture of lower ... S82.01 Osteochondral fracture of patella S82.011 Displaced osteochondral fracture of right patella . In this study, OCF from the patellar medial margin was defined as bony avulsion on the medial margin of the patella. Osteochondral injury is commonly associated with immediate effusion that represents hemarthrosis or lipohemarthrosis. From bone bruises to large osteochondral fractures, articular cartilage lesions have been reported in as many as 95% after patellar dislocation. A chondral defect refers to a focal area of damage to the articular cartilage (the cartilage that lines the end of the bones). Patellar osteochondral fracture is an injury frequently associated with patellar instability, which may onset in the first episode. Request a Demo 14 Day Free Trial Buy Now The osteochondral autograG transplanta/on (OATS) procedure involves transplanta/on of plugs of bone with overlying ar/cular car/lage (Figure 3) from areas of rela/vely no weight bearing (Figure 2) to weight bearing areas of the knee which have ar/cular car/lage loss.2An allograG (cadaver) plug is also an op/on that can be used to ﬁll the lesion. All types of patella fractures may damage cartilage and therefore increase the risk of osteoarthritis, a degenerative condition of the joint that is characterized by cartilage damage. Based on the clinical, radiological, and arthroscopic examination, arthrotomy was performed by medial or lateral parapatellar incision beginning from the superior base of patella and ending in the inferior apex of patella by taking the affected articular surface as reference. Chondromalacia patella (knee pain) is the softening and breakdown of the tissue (cartilage) on the underside of the kneecap (patella). Patellar instability is a common cause for osteochondral injury of the patella. Osteochondral Fracture and Patellar Instability Eric J. Twelve knees (31%) had cartilage injury of the lateral femoral condyle. Osteochondral fractures are commonly associated with this injury, frequently necessitating surgical treatment. However, during low-energy patellar dislocation, a lower incidence of osteochondral damage is reported. Conclusions: From this study, articular cartilage injuries, especially of the patella, seem to be common occurrences after acute patellar dislocation. Osteochondral Fractures are also sometimes known as articular cartilage injuries. Osteochondral lesion of 1 cm 2 in the central–medial facet of patella. BACKGROUND: Chondral or osteochondral avulsions of the lateral distal femur edge after luxation of the patella are well known. In majority of the studies, patellar osteochondral fracture is associated with a bony contusion involving the lateral femoral condyle in the classical impaction pattern of injury [ 1 ]. The fracture bed on the patella and osteochondral fragments are debrided off necrotic tissues for a proper reduction. Wall Shital N. Parikh INTRODUCTION Pathogenesis An osteochondral injury can occur in up to 71% to 93% of patients during an acute patellar dislocation.1,2 The chondral and osteochondral injury can vary from minor cartilage scuffing or fissuring, to large full-thickness free fragments greater than 3 cm diameter or… OCLs (osteochondral lesions of the talus) consist of damage or minor fractures to cartilage’s surface on the lower bone of the talus (ankle joint). Osteochondral defects (OCDs), often used interchangeably with osteochondritis dissecans in the juvenile population, are focal areas of articular cartilage wear/damage resulting in a loss of cartilage and inflammation of the adjacent subchondral bone (Juneau et al., 2016; Modarresi & Jude, 2015; Wheeless, 2012). Pain results when the knee and the thigh bone (femur) rub together. Dull, aching pain and/or a feeling of grinding when the knee is flexed may occur. 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