A medial talar dome injury is seen on a mortise x-ray view. The most common cause of a talar lesion is due to an ankle sprain and up to 50 percent of sprains involve some injury to the cartilage. It is also called an osteochondral defect (OCD) or osteochondral lesion of the talus (OLT). Osteochondral lesions (OCL) of the talus are defined as any damage involving both articular cartilage and subchondral bone of the talar dome. The talar dome has no direct muscle attachments(2); during norm… These lesions can be chronic in nature, as seen in Osteochondritis Dissecans (OCD). Injuries to the articular surface of the talar dome in the ankle joint are commonly called osteochondral lesions of the talus (OLT). In most joints of the foot and ankle, this layer of cartilage is one to a few millimeters thick. It is also called an osteochondral defect (OCD) or osteochondral lesion of the talus (OLT). Other terms that refer to the same general process are osteochondral defects (OCD), osteochondritis dissecans, and transchondral fracture. Osteochondral lesions of the talus (OLTs) have various names and presentations. A talar dome lesion is an injury to the cartilage and underlying bone of the talus within the ankle joint. Arthroscopy. “Osteo” means bone and “chondral” refers to cartilage. Osteochondral lesions of the talus encompass a variety of pathological lesions, including osteochondral defects, osteochondritis dissecans, and osteochondral fractures. [ 2] A Osteochondral lesions or osteochondritis dessicans can occur in any joint, but are most common in the knee and ankle. This term covers a wide spectrum of pathologies including (sub)chondral contusion, osteochondritis dissecans, osteochondral fracture and osteoarthritis resulting from longstanding disease. Osteochondral lesions of the talus (OLTs) are a difficult pathologic entity to treat. Injuries to the talar dome should be suspected when an athlete presents with chronic ankle pain following an injury to the ankle. Osteochondral lesions of the talar dome can cause significant functional impairment and a decreased quality of life. Talar dome lesions are usually caused by … After the diagnosis is clear from the history, physical examination, and appropriate imaging studies, the treatment plan can be outlined for the patient. 1) and anterolateral (46%) talar dome (1). 1–3 Two common lesions are notable on the talus. Talar dome lesions are usually caused by … The talus is the bottom bone of the ankle joint. They require a strong plan. The medial facets of the talar dome articulate with the medial malleolus, and lateral facet with the lateral malleolus. Lesion size, location, chronicity, and characteristics such as displacement and the presence of subchondral cysts help dictate the appropriate treatment … OLTs typically are preceded by a traumatic event and generally result in vascular damage to the subchondral bone. Arthroscopy. A talar dome lesion is an injury to the cartilage and underlying bone of the talus within the ankle joint. “Osteo” means bone and “chondral” refers to cartilage. 2012; 28(12):1902-1907. An osteochondral injury to the talar dome produces pain at the ankle and you will … The most common OCLs about the ankle involve the talar dome. OLTs have been known historically by varied nomenclature, including osteochondritis dissecans, talar dome fracture, transchondral fracture, and flake fracture. 10. “Osteo” means bone and “chondral” refers to cartilage. A partial fluid cleft at its posterior margin and a mild subchondral oedema suggests an unstable lesion. 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