osteochondral defect radiology

CT arthrography visualizes tissue growth of osteochondral defects of the talus after microfracture. These can occur from an acute traumatic injury to the knee or an underlying disorder of the bone. 3). rts * ABSTRACT CASE Radiographs of the right knee did not show any abnormality (Fig 1). It is a morphologic finding that may be seen in various conditions and that … 11 Hunt K, Lee A, Lindsey D, Slikker W, Chou L. Osteochondral Lesions of the Talus: Effect of Defect Size and Plantar flexion Angle on Ankle Joint Stresses. Osteochondral lesions (OCL) of the talus are defined as any damage involving both articular cartilage and subchondral bone of the talar dome. Osteochondral lesions / defects (OCD) are a common pathology of subchondral bone and overlying cartilage in children and adolescents. Check for errors and try again. 2005;185 (6): 1453-9. Elbow involvement in osteochondritis dissecans is rare. Osteochondral lesions are relatively common in children and adolescents, and the incidence is increasing. 1. Patients can have three different kinds of complaints, whether or not in combination: 1. : Pronunciation / ˌ ɒ s t i. oʊ k ɒ n ˈ d r aɪ t ɪ s ˈ d ɪ s ɪ k æ n z / Tested … An osteochondral defect (OD) of the talus is a lesion involving the talar articular cartilage and its subchondral bone mostly caused by a single or multiple traumatic events, but idiopathic OD of the ankle do occur [8, 46, 47, 50].The defect initially may consist only of cartilage damage caused by shearing stresses, with the subchondral bone intact, but a bone contusion … Osteochondral Injury, … When compared to medial talar OCDs, which of the following statements is true regarding lateral talar OCDs? Check for errors and try again. A glenoid OCD appeared as either a multiloculated cyst in the subchondral bone mimicking a subchondral cyst (six patients) or a single osteochondral fragment (two patients). Occurs due to repetitive compression type of injury leading to vascular insufficiency and microtrauma. They can be graded with MRI examination based on fragment separation, osseus oedema and associated degeneration. Concern for fracture or calcaneal injury. Involvement is bilateral in 30-40% of cases. The Osteochondral Autograft Transfer System (OATS) is the only 1-step surgical technique designed to replace the entire osteochondral unit. Recommendation—The term “osteochon-dral lesion… Radiology; 2008; 248: 571-578. Plain film showed an osteochondral defect in the medial femoral condyle. Typically affects the capitellum of the dominant hand. It was decided to use the superomedial aspect of the trochlea as the donor sight for the osteochondral autograft. Unable to process the form. For a general discussion of osteochondritis dissecans refer to the parent article - osteochondritis dissecans. Bookmarks (0) Musculoskeletal. Osteochondral fracture of the distal tibia is an uncommon injury. Two donor plugs were harvested from this region, measuring 10 × 14 mm and 6 × 14 mm, respectively. Lee KB, Bai LB, Park JG et al (2008) A comparison of arthroscopic and MRI findings in staging of osteochondral lesions of the talus. link. The defect was debrided down to the subchondral bone with an arthroscopic shaver and sized with the osteochondral autograft transplantation system, as shown in Fig. Talar osteochondral defect. On MRI the defect was measured to be in excess of 1.2 cm and a partial tear of the ACL and edema in the medial facet of the … J Bone Joint Surg Am 2007;89(4):718–726. Plain film showed an osteochondral defect in the medial femoral condyle. The combined use of standard and newer magnetic resonance (MR) imaging techniques makes it possible to evaluate both the morphologic status and the biochemical contents of the repair tissue (,1–,9). Medical history: If you’ve had any problems in the painful area before, share it with your doctor – in fact, if you’ve had cartilage or ligament problems anywhere else in the body at all, you should tell your doctor about it. Treatments for Osteochondral Defects . Osteochondral Defects of the Talus. When planning the treatment of osteochondral lesions of the talus, it is important to evaluate the articular cartilage to distinguish between stable and unstable lesions (1, 2). 1 article features images from this case 6 public playlist includes this case Play … Patients … MR imaging features of instability include cysts, osteochondral fracture, T2 hyperintense rim, subchondral plate defects, and fluid-filled osteochondral defects. Osteochondral Lesion “Osteochondral lesion” is a broad and nonspecific term that has been used to refer to any lesion that involves the articular sur-face and subchondral region of a joint, af-fecting cartilage, bone, or both. The advent of new procedures for repairing cartilage in knee and ankle joints has increased the need for accurate noninvasive methods to objectively evaluate the success of repair. PURPOSE: To evaluate the cross-sectional imaging features of osteochondral defects (OCDs) of the glenoid fossa and to elicit a more detailed analysis of the trauma, if any, that may cause this injury. The lesion ranged from 8 mm to … On MRI the defect was measured  to be in excess of 1.2 cm and a partial tear of the ACL and edema in the medial facet of the anterior patellofemoral compartment was demonstrated. Osteochondral defects (OCDs) are very localised areas of joint damage which can occur in a number of different joints , not just the ankle. Affiliation 1 Department of Radiology, Ohio State University Medical Center, Columbus 43210, USA. An osteochondral defect refers to a focal area of damage that involves both the cartilage and a piece of underlying bone. Author information: (1)Department of Orthopedic Surgery, Konkuk University School of Medicine, 4-12 Hwayang-dong, Gwangjin-gu, Seoul, 143-729, Republic of Korea. The most common joint to suffer from an OCD is the knee joint, involving the medial femoral condyle, with the patella being a rare location. Osteochondral lesions of the talus are common and difficult problems to treat. Plain film showed an osteochondral defect in the medial femoral condyle. Gender: Male From the case: Talar osteochondral defect. Radiology 2001;219:35–43. In spite of all scientific progress in regenerative joint surgery, clinical application is still lagging behind. Osteochondritis dissecans is a not uncommon abnormality that may be found in several characteristic locations in the musculoskeletal system. Average age at presentation is 10–20 years, but OCD may occur at any age. Although confusion remains between the terms osteochondral injury and osteochondritis dissecans, it is really the etiology of the process that is in question. Elbow involvement in osteochondritis dissecans is rare.It is defined as a localized fragmentation of bone overlying the capitellum cartilage. 1998 Jan;206(1):35-40. doi: 10.1148/radiology.206.1.9423648. The most important finding of our study was that reconstruction of osteochondral defects of the knee joint by bone grafting and a bilayer collagen membrane in a one-step-procedure yields both good clinical and magnetic resonance results. Trauma. Helpful in determining the stability of the lesion: ADVERTISEMENT: Supporters see fewer/no ads, Please Note: You can also scroll through stacks with your mouse wheel or the keyboard arrow keys. 1A, 1B, and 1C), whereas in five (50%) of the 10 patients, the chondral defects were … 4.8a–c. It is often used synonymously with osteochondral injury/defect and in the pediatric population. MRI features that aid in diagnosis include the location and extent of bone marrow edema, the presence of a fracture line, a hypointense area immediately subjacent to the subchondral bone plate, and deformity of the subchondral bone plate. Osteochondral defects of the lateral femoral condyle are a common sequela after transient lateral patellar dislocation. A significant number of osteochondral injuries involve the midlateral weight-bearing portion of the lateral femoral condyle and are more posterior than would be expected after transient dislocation of the patella. Although there is ongoing debate regarding the pathogenesis of OCD, there is a consensus supporting a traumatic/mechanical theory of injury to the osteochondral … Larger defects involving more than 50% of the articular surface or involving the lateral margin of the capitellum may have worse outcomes after debridement and may be better treated with fragment fixation or osteochondral autograft transfer 11. Developed by renowned radiologists in each specialty, STATdx provides comprehensive decision support you can rely on - Osteochondral Injury, Shoulder Isolated lesions of cartilage or subchondral bone … A localized osteochondral defect can be created acutely or can develop as an end result of several chronic conditions. A serious knee injury with large osteochondral defect of the femoral condyle and medial patella with loose bodies in the joint. Osteochondral fracture of the lateral femoral condyle is a rare injury of the knee joint, which mostly occurs in adolescence 1.In adolescence, the cartilage‐bone interface is the weakest transitional area in the knee joint, and there is no obvious boundary between calcified and uncalcified cartilage 2.The biomechanical strength of immature osteochondral … Red arrows point to osteochondral defect and bone edema on T1 and stir MRI images of the knee in same patient as above. In cases of OCD, MR is able to reliably detect the abnormality … This term covers a wide spectrum of pathologies including (sub)chondral contusion, osteochondritis dissecans, osteochondral fracture and osteoarthritis … We report two cases in which ankle trauma resulted in an elongated osteochondral defect in the distal tibia, and we describe the radiographic, scintigraphic, computed tomographic … Radiology Case. ADVERTISEMENT: Supporters see fewer/no ads. The osteochondral defects involved the articular surface of the trochlear groove in three (30%) of the 10 patients (Figs. Developed by renowned radiologists in each specialty, STATdx provides comprehensive decision support you can rely on - Osteochondral Injury, Shoulder. The initial radiology reports from the database were screened to choose patients with an OLT that had been diagnosed on MRI using the following keywords: “osteochondral lesion of the talus”; “OLT”; “osteochondritis dissecans of the talus”; “OCD of the talus,” with OCD meaning osteochondritis dissecans; “osteochondral defect … MRI findings of osteochondritis dissecans of the capitellum with surgical correlation. Shoulder and Humerus. Link, Google Scholar; 27 Williams RJ 3rd, Ranawat AS, Potter HG, Carter T, Warren RF. {"url":"/signup-modal-props.json?lang=us\u0026email="}. Articular cartilage has no blood supply and its ability to repair itself is poor. The “classical” defect involves a disruption of both the bone (osteo) and cartilage (chondral) .They usually occur on the Talus if effecting the ankle joint and are a region where the cartilage and underlying bone have been disrupted. 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