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talar dome osteochondral lesion

Talar dome lesions are usually caused by … Series shows the case of a 25-years-old man, a sports and physically active patient, with chronic ankle pain, a lateral talus osteochondral lesion (OCL), and chronic ankle instability. It is also called an osteochondral defect (OCD) or osteochondral lesion of the talus (OLT). It is also called an osteochondral defect (OCD) or osteochondral lesion of the talus (OLT). OCDs of the talus represent damage to the articular surface of the talar dome in the ankle joint. Talar dome lesions are usually caused by … “Osteo” means bone and “chondral” refers to cartilage. A talar dome lesion is an injury to the cartilage and underlying bone of the talus within the ankle joint. One of the bones comprising the ankle is the talus bone which forms part of the foot. OLTs have been known historically by varied nomenclature, including osteochondritis dissecans, talar dome fracture, transchondral fracture, and flake fracture. A review of the clinical experience with recombinant human platelet -derived growth factor -BB (rhPDGF-BB) in orthopaedic bone repair and regeneration . Injuries to the articular surface of the talar dome in the ankle joint are commonly called osteochondral lesions of the talus (OLT). Arthroscopy. The tibia and fibula bones sit above and to the sides of the talus, forming the ankle joint. Patients tend to present with more chronic symptoms of ankle pain, rather than acute injury. Small well defined hypointense signal lesion is seen on the T1W images in the medial talar dome at subchondral region. Injuries to the talar dome should be suspected when an athlete presents with chronic ankle pain following an injury to the ankle. 9. onnenwerth MP, Roukis TS. OLTs typically are preceded by a traumatic event and generally result in vascular damage to the subchondral bone. Arthroscopy. 2012; 28(12):1902-1907. This term covers a wide spectrum of pathologies including (sub)chondral contusion, osteochondritis dissecans, osteochondral fracture and osteoarthritis resulting from longstanding disease. “Osteo” means bone and “chondral” refers to cartilage. The blood supply to the talus is not as rich as many other bones in the body, and as a result injuries to the talus sometimes are more difficult to heal than similar injuries in other bones. This joint permits much of the up (dorsiflexion) and down (plantarflexion) motion of the foot and ankle. “Osteo” means bone and “chondral” refers to cartilage. 1–3 Two common lesions are notable on the talus. Ortho Traumatol: Surg & Research 2015; 101:97- 102. Defined as a separation of articular cartilage from the talar dome, with varying amounts of subchondral bone. The talus is the 3rd most common site (after the knee and elbow) of osteochondral lesions. An osteochondral lesion of the talus (OLT) is an area of abnormal, damaged cartilage and bone on the top of the talus bone (the lower bone of the ankle joint). Articular cartilage has poor regenerative capacity, and the osseous blood supply to the talus is tenuous. Talar dome injuries are often missed on initial examination of a routine ankle sprain, only to be diagnosed weeks after the injury. A talar dome lesion is an injury to the cartilage and underlying bone of the talus within the ankle joint. Detached osteochondral lesions and loose bodies secondary to osteochondral lesions of the talar dome usually require fragment removal and debridement of the bone bed. FIGURE 71-1 Osteochondral lesion of the talus. Osteochondral lesion of the talar dome Share | Definition. Osteochondral lesions of the talus (OLTs) are a difficult pathologic entity to treat. Osteochondral lesions of the talus (OLTs) have various names and presentations. 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