Background: Chondromalacia patella (CMP) is a frequent cause of anterior knee pain
and may progress to patellofemoral osteoarthritis if undetected. MRI is the
imaging modality of choice for non-invasive assessment of patellar cartilage,
providing detailed grading and evaluation of associated anatomical risk factors.
Objective: To determine the
prevalence and severity of CMP on knee MRI and assess the relationship between
cartilage damage and patellofemoral anatomical parameters.
Materials and Methods: A retrospective review
was conducted on knee MRI studies performed at a tertiary care center in last
18 months. Patients aged 15 – 75 years with adequate image quality were
included; cases with prior patellar surgery or fracture were excluded. Patellar
cartilage was graded using the MRI-adapted Outerbridge classification (Grades
0–4). Trochlear dysplasia (Dejour classification), patellar tilt, TT–TG
distance, and presence of joint effusion were recorded. Statistical analysis
included descriptive statistics, χ² tests for categorical variables, and
logistic regression to identify predictors of high-grade CMP (Grade ≥3).
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