6. H��W�V�J��C��Z�,��uי'B�9!̀g�@�Ж�A�|$��O�n]�IB� _��Z�v�_3���q��I��(b��}e���� gg7���o�f����gO����~w�j��7[׳0��(tB����I�}��nf���_��}�g��Y�M&~�8a�-9�XV��:�-�l�ѯ����{�~�5�z�#f��I�->̬�O��8. The objective of this study was to assess functional and magnetic resonance imaging (MRI) outcomes following microfracture for tibial osteochondral lesions. Average followup was 156 (range, 38 to 402 ± 117.9) weeks and average patient age was 32.9 (range, 14 to 50 ± 11.8) years. Osteochondral lesions of the distal tibial plafond (OLTP) are rare and far less common than osteochondral lesions of the talus. <>stream The second MRI in June 2017 demonstrated separation of the osteochondral fragment from the posterior tibial plafond with a fluid cleft and increased surrounding marrow edema, suggesting progression of the lesion since previous imaging (Figure 4). Comparison of sagittal (A, B) and coronal (C, D) T2 fat-saturation images of the left ankle showing separation of the osteochondral fragment from the posterior tibial plafond with a fluid cleft and increased surrounding marrow edema at follow-up (June 21, 2017). Introduction: 2009;6:524–9. Osteochondral lesions (OCLs) of the tibial plafond (OLTPs) are rare, and few studies provide treatment recommendations. Background: Osteochondral lesions (OCLs) of the tibial plafond (OLTPs) are rare, and few studies provide treatment recommendations. The treatment of osteochondral lesions of the talus (OLT) has advanced significantly with the development of cartilage restoration products and allografts. This grid indicates the OCL is located in zones 8 and 9. There are few cases describing this lesion in the literature, with little information on mechanism of injury, history/physical findings or recommendations for Magnetic resonance imaging revealed an osteochondral lesion of the tibial plafond with no injury to the talar dome. Osteochondral lesions of the tibial plafond are rare compared with osteochondral lesions of the talus, so the treatment guidelines and prognostic indications have not been established. Osteochondral lesions of the distal tibial plafond: localization and morphologic characteristics with an anatomical grid. endstream The degree of injury ranges from a small crack to a piece of the bone breaking off inside the joint. Current complaints: Pain, mostly activity related. (A) AP ankle; (B) Medial oblique ankle; (C) Lateral ankle, Axial PD (A), sagittal T1 (B) and T2 fat-sat (C) sequences of the right ankle 6 weeks after initial visit reveal a cup-shaped OCL in the posteromedial tibial plafond demarcated completely by a thin hypointense T1 and T2 line and minimal marrow edema (hypointense T1 and hyperintense T2 FS signals) deep to the lesion. Twelve patients with an osteochondral lesion of the talus were treated with excision of the lesions and local osteochondral autogenous grafting. Abstract: Osteochondral lesions of the tibial plafond are rare compared with osteochondral lesions of the talus, so the treatment guidelines and prognostic indications have not been established. We describe two cases of an OLTP that were treated with retrograde osteochondral autograft. <>stream In this case report, we reported a rare case of osteochondritis dissecans located on the medial tibial plateau. Of these, only one was a ‘kissing’ lesion. The cartilage can be torn, crushed or damaged and, in rare cases, a cyst can form in the cartilage. �0D���Y��4IE�|�I�D_�ܒ��o�;7s��6�j$4̙ H�$Di�\(��l������D�}��=Q��9�N��\.\N�5(B�JՕ?j�u.�����t�\�X�푣��ΧL���/oaX†��,����.FSsg��>f����>>>/BBox[0 0 612 792]/Length 170>>stream Ankle arthroscopic debridement of the injury, followed by microdrilling or microfractures of the subchondral bone arethe If left untreated, osteochondral lesions can further degrade and potentially lead to osteoarthritis2,5,6.How-ever, the treatment guidelines and prognostic indicators that We describe two cases of an OLTP that were treated with retrograde osteochondral autograft. Osteochondritis dissecans (OCD or OD) is a joint disorder primarily of the subchondral bone in which cracks form in the articular cartilage and the underlying subchondral bone. Such lesions are a tear or fracture in the cartilage covering one of the bones in a joint. Introduction Injuries to the articular surface of the talar dome in the ankle joint are commonly called osteochondral lesions of the talus (OLT). The oval is the starting point, each rectangle is a factor in the decision-making process, and each rhombus is a selected approach and end point Generally, these lesions have been treated with either microfracture or debridement, and the long-term outcomes have been less than satisfactory. Dans la littérature, on trouve peu de cas de ce type de lésion et peu de renseignements sur le mécanisme de la blessure, les antécédents, les observations physiques et les recommandations thérapeutiques. 12 0 obj The medial central tibial plafond was most frequently involved site with 8 of the 38 (21%) lesions located there; the posterior medial tibial plafond was second most frequently involved with six of the 38 lesions (16%). The ideal treatment for osteochondral lesion is to restore 2 different bone and cartilage tissues simultaneously. Osteochondral lesions of the tibial plafond account for approximately 2.6% of osteochondral lesions in the ankle. There are few cases describing this lesion in the literature, with little information on mechanism of injury, history/physical findings or recommendations for management. CrossRef Google Scholar. Case presentation: Osteochondritis dissecans are typically located mainly on the femoral condyle, with reported but less common cases of patella involvement. <>stream The tibia and fibula bones sit above and to the sides of the talus, forming the ankle joint. Osteochondral lesions of the tibial plafond (OLTP) are rare disorder compared with osteochondral lesions of the talus (OLT), and its frequency is 2.6% of osteochondral lesions of the ankle.1Tibial plafond has the following anatomical characteristics that lead resistance to cartilage damage: tibial cartilage is stiffer and thicker than talar cartilage,2, 3and there is a stable concave shape of the articular surface of the distal … x�S�*�*T0T0 B�����i������ y8# CrossRef Google Scholar For this discussion, OLT will refer to a focal articular cartilage injury/deficit and underlying bony involvement in the form of edema, fracture, and/or cyst formation. Axial PD MRI of current patient’s OCLTP with overlay of Elias et al’s…, Radiographs taken on November 23, 2016 reveal no finding indicating OCL in the…, Axial PD (A), sagittal T1 (B) and T2 fat-sat (C) sequences of the…, Comparison of sagittal (A, B) and coronal (C, D) T2 fat-saturation images of…, NLM The ideal treatment for osteochondral lesion is to restore 2 different bone and cartilage tissues simultaneously. Conclusion: Osteochondral defects of the tibial plafond are poorly studied in the literature and as a result there is little data regarding treatment of these lesions. Injuries to the articular surface of the talar dome in the ankle joint are commonly called osteochondral lesions of the talus (OLT). For this discussion, OLT will refer to a focal articular cartilage injury/deficit and underlying bony involvement in the form of edema, fracture, and/or cyst formation. �0D���Y��4IE�|�I�D_�ܒ��o�;7s��6�j$4̙ H�$Di�\(��l������D�}��=Q��9�N��\.\N�5(B�JՕ?j�u.�����t�\�X�푣��ΧL���/oaX†��,����.FSsg��>f����>>>/BBox[0 0 612 792]/Length 170>>stream Very interesting case of a typical Osteochondritis Dissecans in the posterior tibial plafond. Introduction: Osteochondral lesions of the tibial plafond account for approximately 2.6% of osteochondral lesions in the ankle. “Osteo” means bone and “chondral” refers to cartilage. There are few cases describing this lesion in the literature, with little information on mechanism of injury, history/physical findings or recommendations for management. Osteochondral lesions of the distal tibial plafond are uncommon compared with talar lesions. Osteochondral lesions of the tibial plafond account for approximately 2.6% of osteochondral lesions in the ankle. OCD usually causes pain during and after sports. The treatment for chondral injurys ranges from conservative, to arthroscopic and open surgeries (arthroscopic debridement, marrow-stimulating techniques, autologous chondrocyte transfers and implantation, and allografts), and would depend on the patient’s, age, etiology, grade, and quality of the lesion. With new interest in biologic treatments for osteochondral defects, we believe that bone marrow … A 17-year-old male competitive soccer player presented with a 6-7 month history of medial ankle pain after an inversion sprain. The osteotomy is made at an oblique angle to the junction where the medial malleolus joins the tibial plafond. Please enable it to take advantage of the complete set of features! This joint permits much of the up (dorsiflexion) and down (plantarflexion) motion of the foot and ankle. COVID-19 is an emerging, rapidly evolving situation. RESULTS: A total of 13 patients were included. The talar dome is a trapezoid-shaped protuberance of the talus, 2.5mm wider at the front than the back, which is 60% covered with articular cartilage(2). Osteochondral lesions of the distal tibial plafond (OLTP) are rare and far less common than osteochondral lesions of the talus. Wunning J, Allen-Wilson N, Horton E, Sharpe J. Decision making is based on size, characteristics, and location of the lesion as well as type of surgical treatment. The talus is the bottom bone of the ankle joint. endstream The lesion was accessed through a replaceable bone block removed from the anterior tibial plafond. x�]�� Foot Ankle Int. Radiographs were negative for fracture or osteochondral involvement. Its radiologic findings are similar to those of osteo- chondritis dissecans located elsewhere in the body. 16 0 obj <>stream Osteochondral lesions or osteochondritis dessicans can occur in any joint, but are most common in the knee and ankle. Patients with osteochondral lesions of the tibial plafond had similar symptoms as those with osteochondritis dissecans of the talar dome. Tibial OCL . endstream x�S�*�*T0T0 B�����i������ yA$ 14 0 obj ... at which to perform the osteotomy and reduce cartilage damage is at the medial curvature at the transition of the tibial plafond to the medial malleolus. Osteochondral lesions (OCLs) of the tibial plafond (OLTPs) are rare, and few studies provide treatment recommendations. Elias I, Raikin SM, Schweitzer ME, Besser MP, Morrison WB, Zoga AC. Such lesions are a tear or fracture in the cartilage covering one of the bones in a joint. Osteochondral lesions of the tibial plafond are rare compared with osteochondral lesions of the talus, so the treatment guidelines and prognostic indications have not been established. The cartilage can be torn, crushed or damaged and, in rare cases, a cyst can form in the cartilage. In my experience these lesions have a good healing potential without developing a loose body. Présentation du cas: <>stream Seo SS, Park JY, Kim HJ, Yoon JW, Park SH, Kim KH. The graft was harvested from the medial or lateral talar articular facet on the same side of the lesion. The articulation of the talar dome and the trochlear surface (tibia and fibula) supports the weight of the body. Description of patient (type of occupation, indication of age, intensity of sport): 35 year old man sustained an injury to the ankle 1 year ago. Decision making is based on size, characteristics, and location of the lesion as well as type of surgical treatment. USA.gov. The ideal treatment for osteochondral lesion is to restore 2 different bone and cartilage tissues simultaneously. Osteochondral Defect ... Xrays- large cystic OCL in the anterior tibial plafond. Le présent cas présente le tableau clinique, les variations observables, la prise en charge et l’évolution de cette lésion ostéochondrale du plateau tibial distal. It is also called an osteochondral defect (OCD) or osteochondral lesion of the talus (OLT). endobj steochondral lesions of the distal tibial plafond are rare—far less common than osteochondral lesions of the talus1-4. Clinical Outcomes of Osteochondral Lesions of the Tibial Plafond Following Arthroscopic Microfracture Wonyong Lee, MD, Sterling Tran, BS, Minton T. Cooper, MD, Joseph S. Park, MD, and Venkat Perumal, MD Foot & Ankle International201940:9, 1018-1024 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. x�+� � | PubMed CrossRef Google Scholar. 2012 Sep-Oct;15(5):E743-8. Elias I, Raikin SM, Schweitzer ME, Besser MP, Morrison WB, Zoga AC. 1 0 obj Osteochondral defect is a broad term that describes the morphological change of a localized gap in the articular cartilage and subchondral bone 5. endobj Lesions on the tibial plafond with correlating talar dome lesions had lower average MOCART scores than isolated lesions. The second MRI in June 2017 demonstrated separation of the osteochondral fragment from the posterior tibial plafond with a fluid cleft and increased surrounding marrow edema, suggesting progression of the lesion since previous imaging (Figure 4). 2015 Aug;8(4):314-9. doi: 10.1177/1938640014548419. %PDF-1.2 Osteochondral lesions of the distal tibial plafond: localization and morphologic characteristics with an anatomical grid. 2013 Nov-Dec;52(6):750-3. doi: 10.1053/j.jfas.2013.08.003. <>stream HHS Osteochondral defects (OCD) or lesions (OCL) are focal areas of damage with articular cartilage damage and injury of the adjacent subchondral bone plate and subchondral cancellous bone. Covers the lesion, even in maximal plantarflexion, Allen-Wilson n, Horton E Sharpe... ) motion of the tibial plafond ( OLTPs ) are rare, and few studies provide treatment.... ): E743-8 lesions are a tear or fracture in the radiology literature ( )! 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Permits much of the tibial plafond T1-weighted ; ( B ) Sagittal MRI T1-weighted ; ( ). To restore 2 different bone and cartilage tissues simultaneously less common than osteochondral lesions ( ). Femoral condyle, with reported but less common than osteochondral lesions of the talus: a 17-year-old competitive... Performed on all patients treated arthroscopically for OLTPs:750-3. doi: 10.1177/1938640014548419 tibial.! Necrotic fragment usually becomes revascularised and reattaches to the contralateral side an injury to the articular surface the! The femoral condyle, with reported but less common cases of an OLTP finding indicating OCL in knee! 8 and 9 that were treated with retrograde osteochondral autograft transfer for osteochondritis dissecans of tibial. Ostéochondrale au dôme talien osteochondral lesions of the distal tibial plafond ( OLTP ) are rare and far less than! Approach to osteochondral lesions of the bone breaking off inside the joint ankle has been studied for at four!