- To demonstrate characteristic aspects of patient positioning in acute patellar dislocation for damage evaluation using 3T MRI - To describe main anatomical structures prone to injuries in pediatric acute patellar dislocation - To highlight treatment options depending on the detected lesions and to provide clinical examples
Acute lateral patellardislocation accounts for about 2-3% of all knee injuries .
The prevalence of acute patellar dislocation is 6–77 per 100,000 population . Patellar dislocation typically initially occurs with twisting knee movement during which the medial ligamentous stabilizers rupture and the patella hits the lateral femoral condyle . In the long term,
this can lead to chronic inflammation and degenerative joint diseasemanifestedby joint instability and persistent pain [1,3,4]....
Findings and procedure details
2522 children with knee joint injuries have been hospitalized at the Clinical and Research Institute of Emergency Pediatric Surgery and Trauma.1160 (46%) of them had acute lateral patellar dislocation (55% boys,
The most common injury mechanism was internal rotation of a flexed knee with planted foot and valgus component. Complaints and physical examination: - soft tissue swelling - patello-femoral pain syndrome - pain on knee flexion - patellar instability is...
Diagnostics and treatment tactics in patients with lateral patellar dislocation depend on: - assessment of MPFL (all three portions) and medial retinaculum forpartial andfull-thickness tears - detection of loose intra-articular ornon-displacedosteochondral or cartilaginous fragments - detection of bone marrow edema or osteochondralfractureininferomedial aspect of patella and inanterior part of lateral femoral condyle. For the comprehensive assessment of patellar dislocation a radiologist...
Address correspondence to M.Akhlebinina (e-mail: email@example.com).
and Richard D.
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