He also complained of occasional locking and limitation of movement. Radiograph of an osteochondritis dissecans lesion present in the medial femoral condyle of the knee. Summary: Osteochondritis dissecans(OCD) of the knee is identified with increasing frequency in the adolescent patient. Osteochondritis dissecans (OCD) most commonly affects the knee. Michael JW, Wurth A, Eysel P et-al. Please instruct patients to bring films to specialist appointments at the RCH. Osteochondritis Dissecans and Avascular Necrosis Matthew T. Burrus David R. Diduch DEFINITION Osteochondritis dissecans (OCD), avascular necrosis (AVN), spontaneous osteonecrosis of the knee, and chondral and osteochondral lesions all occur at or beneath the articular surface of a weight-bearing joint and are easily confused (FIG 1). Despite being a known clinical entity for more than... Articular Cartilage of the Knee Clin Sports Med 10(3): 569-593. Review. Case Type. Osteochondritis dissecans (OCD) most commonly affects the knee. Osteochondritis dissecans of the knee in children: a comparison of MRI and arthroscopic findings. M.A. Onset is between childhood and middle age, with the majority of patients being between 10 and 40 years of age, with approximately a 2:1 male to female ratio 3. Om de diagnose osteochondritis dissecans te stellen moet een röntgenfoto, CT-scan of MRI-scan worden gemaakt om necrose van het subchondraal bot, botfragmenten of beide vast te stellen. If the patient has stable osteochondritis dissecans on MRI, refer for semi urgent assessment and stop sporting activities, closed kinetic chain activities only and protected weight bear. To diagnose osteochondritis dissecans, an X-ray, CT scan or MRI scan can be performed to show necrosis of subchondral bone, formation of loose fragments, or both. A prospective study. Tirm image showing osteochondritis dissecans of the lateral aspect of the medial femoral condyle (classic location of the lesion) with high signal intensity between the fragment and the donor site (white arrow). See osteochondritis dissecans article for a general discussion. Osteochondritis Dissecans (OCD) is a condition that affects the articular cartilage and the subchondral bone of the knee. (2014) Joints. … Management of osteochondritis dissecans of the knee… The cause of this lesion remains elusive. Osteochondritis dissecans of the knee: value of MR imaging in determining lesion stability and the presence of articular cartilage defects. De kraakbeenbeschadiging op zich kan ook (pijn)kla… Osteochondritis (osteochondrosis) dissecans (OCD) is a common condition in children, adolescents, and young adults. Osteochondritis dissecans (OCD) involves injury to the subchondral bone, which can progress to involve the overlying articular cartilage. Osteochondritis dissecans (OCD) is a localized process that affects the subchondral bone and can progress to the overlying articular cartilage. AJR Am J Roentgenol. The MRI findings suggested the presence of an unstable lesion. Soms wordt er een botscintigram gemaakt om zien in hoeverre er zich botfragmenten hebben gevormd in het gewricht. Kocher MS, Tucker R, Ganley TJ, Flynn JM. Osteochondritis dissecans: schematic drawing of the 4 stages. His exam is completely normal and symmetric to his left knee. J Am Acad Orthop Surg. This retrospective study included 41 children with 43 OCD lesions of the elbow who underwent an MRI … Kessler JI, Nikizad H, Shea KG, Jacobs JC, Bebchuk JD, Weiss … AJR Am J Roentgenol. Tweet Support us The Royal Children's Hospital Melbourne Telephone +61 3 9345 5522 50 Flemington Road Parkville … 2. Osteochondritis dissecans (OCD) Osteochondritis dissecans is een gewrichtsaandoening in de knie bij adolescenten waarbij de doorbloeding van het bot en het overliggend kraakbeen ter hoogte van de ronde uiteinden van het bovenbeen in de knie aangetast is. The condition occurs bilaterally in 25% of cases, and has a characteristic distribution 2,4,6: These are discussed in the general article on osteochondritis dissecans. Dähnert W. Radiology review manual. Medscape, last updated Feb 07, 2018. emedicine.medscape.com Kocher MS, Tucker R, Ganley TJ, Flynn JM. Juvenile Osteochondritis Dissecans: Correlation Between Histopathology and MRI Andrew M. Zbojniewicz1 Keith F. Stringer2 Tal Laor1 ... chondritis dissecans (OCD) lesions of the knee to MRI examinations to elucidate the histo-pathologic basis of characteristic imaging … Curr Orthop Pract 2015;26:466-74. Juvenile Osteochondritis Dissecans: Correlation Between Histopathology and MRI Andrew M. Zbojniewicz1 Keith F. Stringer2 Tal Laor1 Eric J. Wall3 Zbojniewicz AM, Stringer KF, Laor T, Wall EJ … In 1888, Konig coined the term when he sought to describe the pathologic process that led to atraumatic loose bodies of femoral origin in the knee and hip joints. Figure1: illustration - distribution of changes, subchondral insufficiency fracture of the knee, anterior cruciate ligament avulsion fracture, posterior cruciate ligament avulsion fracture, Ahlback classification system in assessing osteoarthritis of the knee joint, Kellgren and Lawrence system for classification of osteoarthritis, pattern of bone contusion in knee injuries, anterior cruciate ligament mucoid degeneration, MRI grading system for meniscal signal intensity, "classic" lateral surface of the medial condyle: ~70%. J Am Acad Orthop Surg 2016;24(9): e102–e104. Osteochondritis dissecans (os-tee-o-kon-DRY-tis DIS-uh-kanz) is a joint condition in which bone underneath the cartilage of a joint dies due to lack of blood flow. 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