Fig. 3From: Patellar malalignment: a new method on knee MRIAxial PD-fatsat MRI (a section 3 cm above the knee joint). a Type B trochlear dysplasia is present. Note the flat trochlear groove and patellar subluxation. b Another patient was diagnosed with type B trochlear dysplasia, patellar subluxation, and patellar chondromalaciaBack to article page