5. Radiology 1993; 189:905-907. Osteochondral fractures appear as a combination of 1-2: ADVERTISEMENT: Supporters see fewer/no ads, Please Note: You can also scroll through stacks with your mouse wheel or the keyboard arrow keys. Elias DA, White LM, Fithian DC. 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. ADVERTISEMENT: Radiopaedia is free thanks to our supporters and advertisers. acute–subacute injuries that predispose such individuals to early degenerative changes of the hips. Areas of decreased density (i.e., darker areas) seen on the plain x-rays (Figure 2) can be indicative of this condition, although it is not uncommon for the plain x-rays to be read as normal. High-resolution MR imaging of talar osteochondral lesions with new classification. Particularly in the younger patient, MRI plays an important clinical role in the diagnosis of pre-radiographic OA and focal osteochondral injury. Materials and methods: A thorough literature search was performed and was supported by personal experience. Complications ... Osteochondral Injury After Acute Patellar Dislocation in Children and Adolescents. Unable to process the form. Transient lateral patellar dislocation: review of imaging findings, patellofemoral anatomy, and treatment options. 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. ... FIFA does not bear any responsibility for the accuracy and completeness of any information provided in the “Radiology Review” features and cannot be held liable with regard to the information provided or any acts or omissions occurring on the basis of this information. How is it caused? In two of the three repeated ex-aminations, the area of bone marrow edema had decreased in size in the interval. In this article a systematic approach is presented on how to describe a standard MRI of the ankle. An osteochondral injury involves the separation of a segment of articular cartilage along with its underlying bone. Materials and methods: Eight patients (seven male patients, one female patient; age range, 15-42 years; mean age, 27 years) with an OCD in the glenoid fossa were identified. 2. Publicationdate 2019-03-01. Osteochondral Lesions of the Knee: Differentiating the Most Common Entities at MRI. If radiographs are negative but an osteochondral lesion is still suspected, advanced imaging with MRI or CT scan is indicated. She had no history of trauma. Osteochondral Injury – Coronal T2 weight MRI with fat saturation confirms a large osteochondral injury at the lateral talar dome (yellow arrow) with marked surrounding bone edema characterized by high T2 signal. Injury results in delamination and potential sequestration of the affected bone. High incidence of osteochondral lesions after open reduction and internal fixation of displaced ankle fractures: Medium-term follow-up of 100 cases Injury. These imaging modalities each have pros and cons for evaluation of osteochondral lesions. In this case, the lesion was caused by avascular necrosis of the bone just under the cartilage. This is an unstable lesion References: J.F. Top Magn Reson Imaging 1998; 9:348-359. Osteochondral injury. Materials and methods: Patients with trochlear abnormalities were identified through keyword search of radiology dictations from 1999 to 2007. Discussion Osteochondral lesions have been reported in Shoulder and Humerus. If you would see this in the capitellum you would call it an osteochondral lesion of the capitellum. : 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 / link. OSTEOCHONDRAL INJURY There is growing recognition that focal osteochondral injury represents a substantial risk factor for the development of OA (Fig. Lateral talar dome osteochondral defect, with adjacent 9 x 3 mm corticated bony fragment. Osteochondral injury. 9 (1): 463-74. fractures involving a single facial buttress, Meyers and McKeevers classification (anterior cruciate ligament avulsion fracture), Watson-Jones classification (tibial tuberosity avulsion fracture), Nunley-Vertullo classification (Lisfranc injury), pelvis and lower limb fractures by region. Recommendation—The term “osteochon-dral lesion” should be used only as a nonspe - … Osteochondral injury (or osteochondral defect) of the ankle is an injury to the bone or smooth cartilage covering the joint surface in the ankle. Although there is ongoing debate regarding the pathogenesis of OCD, there is a consensus supporting a traumatic/mechanical theory of injury to the osteochondral unit. Apr 30, 2013 - History: adult male with ankle pain. Several typical patterns of osteochondral injuries have been described in association with certain types of internal derangement and instability (11 – 13). Osteochondral lesions are acquired, potentially reversible injuries of the subchondral bone with or without associated articular cartilage involvement. 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. In this study, we aimed to precisely localize the hyperintense signal that is generated at the osteochondral junction when using ultrashort echo time magnetic resonance imaging (MRI) and to investigate the osteochondral junction using sweep imaging with Fourier transformation (SWIFT) MRI. The staging, prognosis, and treatment of osteochondral lesions in the elbow are based on a combination of radiographic, magnetic resonance imaging, and arthroscopic findings. The ankle mortice is overall maintained. Background:: The aim of this study was to report the incidence of associated osteochondral lesions (OCLs) on postop CTs, which may benefit from arthroscopic treatment, in patients with rotational type ankle fractures with syndesmotic injury. Bony deformity within the distal right fibula appears post-traumatic. Subsequent MR imaging shows that there is a 15 mm osteochondral lesion at the lateral capitellum with separation of a bony fragment that is approximately 13 x 11 x 6 mm in depth. Clinical presentation. Well defined small lucencies in the lateral aspect of the distal fibula and deformity of the distal fibula are consistent with previous internal fixation of an old fracture. Yi Lau, D. Ka Wai Yeung, M. Wan Nar Wong. The overlying cartilage appears intact. The degree of injury ranges from a small crack to a piece of the bone breaking off inside the joint. Once an articular cartilage injury is sustained there are a variety of surgical interventions depending on the severity of the injury. This term refers to a wide spectrum of pathologies including mild bone marrow contusion as well as severe osteoarthritis resulting from long standing disease. His presentation was provoked by an episode where his knee “jammed out straight” while he was playing a game. 3-2). Background: Osteochondral defects represent a main risk factor for osteoarthritis of the ankle. He had also noticed that he had not been able to fully extend his elbow and that it felt weak. Although osteochondral lesion is not a new diagnosis, our recognition of femoral head osteochondral lesions on MR imaging is likely reflective of the fact that MR imaging is now performed more frequently in patients with a symptomatic hip and normal radiographic findings. Frequently, acute injuries are not initially detected, and are thus managed as chronic lesions. The term osteochondral lesion … Symptoms will vary depending on the type, extent and chronicity of the cartilage injury and include swelling, pain and decreased range of motion of the affected joint as well as stiffness or instability. Injuries to the talar dome should be suspected when an athlete presents with chronic ankle pain following an injury to the ankle. 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. The location of the abnormality is dictated by the mechanism of injury. 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