Osteochondritis Dissecans (OCD) is a variant of osteochondrosis (aseptic necrosis of ossification centers) limited to the articular epiphysis. Location. Quiz. Cases. Discussion: This is a case of osteochondritis dissecans with a typical clinical presentation (ankle pain with no significant trauma history) and typical radiological findings (subarticular detached fragment off the posteromedial talar dome). Radiopaedia.org Close. Courses. Osteochondritis dissecans … Juvenile osteochondritis dissecans lesions are a unique articular joint pathology, initially involving the subchondral bone below the articular cartilage rather than the joint surface. Mechanically, an osteochondral injury is prod… This bone and cartilage can then break loose, causing pain and possibly hindering joint motion. Additionally, there is an os trigonum, os calcaneus secundarius, and moderate degenerative osteophyte proliferation at the dorsal aspect of the talonavicular joint. Osteochondritis dissecans of the ankle joint. Normal hard bone is covered … This condition occurs when a piece of the bone … Osteochondritis dissecans (OCD) is a condition that develops in joints, most often in children and adolescents. These are findings of osteochondritis dissecans (Konig disease) - with an intra-articular non-dislocated fragment, in accordance with the osteochondritis dissecans surgical staging system stage III. An osteochondral fragment may be present in situ, incompletely … … Courses. Check for errors and try again. The weight-bearing surfaces of the lateral femoral condyle, tibia or patella may also be involved. The impending separation of the osteochondral fragment is in keeping of grade III lesion. Radiographs are more sensitive if dedicated projections are obtained, such as dorsiflexion and plantarflexion AP of the ankle or with 15° of internal rotation. OCD occurs when one or more flakes of articular cartilage separates and forms loose … Become a Gold Supporter and see no ads. Purpose: To describe the clinical presentation, radiographic features, and prognosis of trochlear OCD. Originalseite bei Radiopaedia: Gespeichert von paul am Sa., 03/09/2019 - 00:29. Ross Hauser, MD, has been treating Osteochondritis dissecans for nearly three decades. Treatment of osteochondritis dissecans is intended to restore the normal functioning of the affected joint and relieve pain, as well as reduce the risk of osteoarthritis. It is often associated with intraarticular loose bodies. Search. 1 . Case courtesy of Bob Cook, MD. Pathophysiology 2) Wikipedia. 2 . MRI was not obtained in our institution; however, the CT shows a stage III ostoechondral defect (detached fragment but not displaced). × Articles. Osteochondritis Dissecans. This softening is caused by an … Osteochondritis dissecans affects joints, most frequently the knee, in children and adolescents. Joint effusion is often present, particularly if there has been trauma. Epidemiology. Cases. The separated flakes can then ossify due to nourishment by the synovial fluid.The cartilage is damaged and can form a loose body. The lateral aspect of the medial femoral condyle is the most common site for osteochondritis dissecans. Osteochondritis dissecans (OCD) of the humeral trochlea is very rare. Western Memorial Regional Hospital Corner Brook, Newfoundland. Physical examination typically reveals an effusion, tenderness, and a crackling sound with joint movement. Cases. About × Menu. Symptoms include pain, swelling and stiffness. - Osteochondritis Dissecans E 10/1/2014 226 . OCD usually causes pain … Become a Gold Supporter and see no ads. Sign Up. Osteochondritis dissecans (OCD) is a term for a distinct clinical-pathologic entity: a pathologic condition that affects subchondral bone formation and may result in an unstable subchondral fragment, disruption of adjacent articular cartilage, and possible separation of the fragment. Search. Find out more. Diagnosis … Osteochondritis dissecans of the knee. Acta Orthop Scand. ADVERTISEMENT: Radiopaedia is free thanks to our supporters and advertisers. × Articles. VIEW CASE: http://goo.gl/SpPZ6 Osteochondritis dissecans (OCD) is the end result of the aseptic separation of an osteochondral fragment with the gradual fragmentation of the articular surface. The differential diagnosis is an osteochondral injury. Although confusion remains between the terms osteochondral injury and osteochondritis dissecans, it is really the etiology of the process that is in question. Log … Quiz. When present, OCD lesions usually become symptomatic during a child’s … 1. Courses. It may cause pain, mechanical symptoms, and loss of elbow motion, typically in the adolescent athlete. 0 . Listen Osteochondritis dissecans is a joint condition that occurs when a piece of cartilage and the thin layer of bone beneath it, separates from the end of the bone. See More See Less. Osteochondritis dissecans (OCD) is the end result of the aseptic separation of an osteochondral fragment with the gradual fragmentation of the articular surface. It is often associated with intraarticular loose … Discussion: Features are consistent with osteochondritis dissecans of the ankle joint. In 1888, Konig coined the term when he sought to describe the pathologic process that led to atraumatic loose bodies of femoral … Osteochondritis dissecans (OCD) is characterized by separation of an osteochondral fragment from the articular surface. 3. In most cases, there is a full range of movement in the joint without signs of ligamentous instability. Sign Up. An osteochondral injury involves the separation of a segment of articular cartilage along with its underlying bone. Osteochronditis dissecans (aka “OCD”) is a condition in which the bone that supports the cartilage inside a joint undergoes softening. Osteochondritis dissecans. It can also affect other joints, such as elbows and ankles. × Articles. this … In the elbow, the most common area affected is the capitellum, although it has been reported to affect the olecranon and the trochlea. The osteochondral fragment is detached, yet not displaced from the medial femoral condyle, in keeping with grade III osteochondritis dissecans. Courses. Case courtesy of Bob Cook, MD. Osteochondritis dissecans. Search. These findings most likely represent osteochondritis dissecans. ADVERTISEMENT: Radiopaedia is free thanks to our supporters and advertisers. Western Memorial Regional Hospital Corner Brook, Newfoundland. Case contributed by Dr Gagandeep Singh. 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