INTRODUCTION. This term covers a wide spectrum of pathologies including (sub)chondral contusion, osteochondritis dissecans, osteochondral … However, medial lesions were larger, and lateral lesions were seen more commonly in association with ligamentous injury. The presence of an osteochondral lesion may initially go undetected and may manifest many months after the initial ankle injury. 9 am to 1 pm. Often an MRI or other advanced imaging tests are ordered to further evaluate the lesion and extent of the injury. Two common lesions are notable on the talus. 6 Napier Road, #04-05 The first is a posterior medial lesion … Osteochondral injury staging system for MRI attempts to grade the stability and severity of osteochondral injury and is used to plan management. Singapore 258499, 820 Thomson Road, #07-53 A variety of surgical techniques is available to accomplish this: Orthopaedics is the medical specialty that focuses on injuries and diseases of your body’s musculoskeletal system. [ 2] A OCLs most commonly occur in two areas of the talus: Unless the injury is extensive, it may take months, a year or even longer for symptoms to develop. Unless the injury is extensive, it may take months, a year or even longer for symptoms to develop. It is often caused by a traumatic injury, such as a severe ankle sprain. The diagnosis of cartilage damage (osteochondral lesion, also known as talar dome) is often done with x-rays and/or an MRI. … If the lesion is stable (without loose pieces of cartilage or bone), one or more of the following non-surgical treatment options may be considered: If non-surgical treatment fails to relieve the symptoms of talar dome lesions, surgery may be necessary. Osteochondral lesions (OCL) of the talus are defined as any damage involving both articular cartilage and subchondral bone of the talar dome. This condition is also known as … Osteochondral lesions of the talus are a reasonably infrequent cause of long-standing ankle pain and stiffness and are often the result of a severe ankle sprain type injury. Osteochondral lesion also known as OCD or Osteochondritis dissecans is the injury to the cartilage and subchondral bone. … The patient's osteochondral defect in the posterolateral aspect of the talus was identified. There are three types of common lesion formation. OLTs represent approximately 4% of all osteochondral lesions. The precise natural history of OLTs is unclear. Osteochondritis dissecans of the talus (transchondral fractures of the talus): review of the … Authors of a 2010 study theorized that water from compressed cartilage is forced into the microfractured subchondral bone during loading, which subsequently leads to localized increased fluid pressure within the subchondral bone. Months or even years later joint fluid can enter the crack and expand creating … Osteochondral lesion of the talus (OLT) is a broad term used to describe an injury or abnormality of the talar articular cartilage and adjacent bone. A talar dome lesion is an injury to the cartilage and underlying bone of the talus within the ankle joint. A trial of nonsurgical management may be appropriate for OLTs, with several authors recommending a trial period minimum of 3 months. Lateral lesions, which are more commonly associated with a traumatic injury, are described as shallow and have the tendency to become displaced. Point loading and loose bodies cause a synovitis, and the mechanics of the joint are altered. Osteochondral lesions or osteochondritis dessicans can occur in any joint, but are most common in the knee and ankle. Description OCDs of the talus represent damage to the articular surface of the talar dome in the ankle joint. Some smaller cystic lesions … The defects cause deep ankle pain associated with weightbearing. Talar dome lesions … The physical examination may reveal tenderness at the level of the ankle mortise anteriorly or posteriorly. There is limited understanding of cartilage damage and its repair. However, it can also occur from chronic overload due to malalignment or instability of the ankle joint. In 2007, MRIs of 428 ankles with OLTs were studied. The first is injury to the cartilage surface with an … Low-grade lesions are managed with initial weight bearing modifications and therapeutic interventions. CT scans are used predominantly as an adjunct for a more comprehensive evaluation of and preoperative planning for known lesions, MRI is the preferred imaging study for detection of suspected OLTs that are not seen on initial plain radiographs. Local osteolysis can then predispose to the development of a subchondral cyst. A cutoff point … Osteochondral lesions (OCL) of the talus are defined as any damage involving both articular cartilage and subchondral bone of the talar dome. It includes your bones, joints, ligaments, tendons, muscles and even your nerves: basically all the essential parts of your body for you to move, work and enjoy your life. The presence of an osteochondral lesion may initially go undetected and may manifest many months after the initial ankle injury. “Osteo” means bone and “chondral” refers to cartilage. [] This is a broad terminology that encompasses a variety of disorders including osteochondritis dissecans, osteochondral fractures, and osteochondral … Numerous exposure methods have been described, including several variations of medial malleolar osteotomies and distal tibial osteotomies along with combined anterior and posterior arthrotomies. 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