Osteochondritis dissecans of the knee. Osteochondritis dissecans (OCD) is a problem that causes pain and stiffness of the ankle joint. This article discusses the anatomy, path … This term covers a wide spectrum of pathologies including (sub)chondral contusion, osteochondritis dissecans, osteochondral fracture and osteoarthritis resulting from longstanding disease. This retrospective IRB-approved and HIPPA-compliant study included children with OLT, who underwent an ankle MRI examination between March 1, 2011, and May 31, 2018. J Pediatr Orthop 2003; 23:617. Osteochondral lesions of the talus can be associated with injury to the ankle. The talus is the 3rd most common site (after the knee and elbow) of osteochondral lesions. Osteochondritis dissecans has been reported to affect the ankle as the third most common joint, after the knee and the elbow. The most common sites are the posteromedial (53%) ( Fig. We studied the value of MR imaging in determining the stability of the osteochondral fragments. Letts M, Davidson D, Ahmer A. Osteochondritis dissecans of the talus in children. Osteochondritis dissecans of the talus | Radiology Case ... ... . Osteochondritis dissecans (OCD) of the talus is a subchondral bone pathology that presents as an osteochondral lesion of the talar dome with consequent articular cartilage abnormalities. Brunton LM, Anderson MW, Pannunzio ME, et al. Pill SG, Ganley TJ, Milam RA, Lou JE, Meyer JS, Flynn JM. Usually a small area of bone adjacent to the articulating surface is affected. When it becomes necrotic, the overlying cartilage is devitalized, and frequently the entire fragment separates out and forms an intra-articular loose body. Most classification systems are based on lesion descriptions by Berndt and Harty ( 2 ): Role of magnetic resonance imaging and clinical criteria in predicting successful nonoperative treatment of osteochondritis dissecans in children. 41(A):988-1020. Osteochondral injury staging system for MRI attempts to grade the stability and severity of osteochondral injury and is used to plan management. Osteochondritis dissecans of the talus is a subset of osteochondral lesions of the talus that also includes osteochondral fractures, avascular necrosis, and degenerative arthritis. Osteochondral lesions (OCL) of the talus are defined as any damage involving both articular cartilage and subchondral bone of the talar dome. Osteochondritis dissecans is an aseptic necrosis of subchondral bone and the overlying cartilage. J Hand Surg Am 2006; 31:1001. It can occur in all age groups. Clinical management of these lesions is based on whether or not the fragments are attached. J Bone Joint Surg [Am]. It can occur in all age groups. 1 ) and anterolateral (46%) talar dome ( 1 ). Osteochondral lesions (osteochondritis dissecans) of the talus are common articular lesions that are usually traumatic in origin. 7 Simultaneous surgery for chronic lateral ankle instability accompanied by only subchondral bone lesion of talus MRI-guided percutaneous retrograde drilling of osteochondritis dissecans of the talus: a feasibility study 17 April 2014 | European Radiology, Vol. 1 A 26-year-old housewife presented with chronic ankle pain for 3 weeks duration with intermittent swelling after exertion, without any history of trauma. Flynn JM, Kocher MS, Ganley TJ. Most cases of OCD usually follow a twisting injury to the ankle and are actually fractures of the joint surface. 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