From the case: Patellar instability

Trochlear depth

Axial STIR
Trochlear depth It is calculated as (55.6+50.9/2) - 48.9 = 4.0 mm. Normal depth is 12 mm. Less than 3 mm is considered dysplasia. This case shows borderline trochlear dysplasia
System: Musculoskeletal
Tag: rewrite
Modality: MRI (STIR)

- “ Patellar instability with lateral patellar subluxation, was observed operatively. Medial patellofemoral ligament (MPFL) repair was done. However, ...”

Used in the following article:

  • Patellofemoral instability - “ Patellofemoral instability is the clinical syndrome due to morphologic abnormalities in the patellofemoral joint where the patella is prone to rec...”

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