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a) Sagittal MR image showing the segmentation of the infrapatellar fat pad (IPFP) anterior surface (red, facing the patellar ligament) and posterior surface (blue, facing the inferior patellar pole, the distal femur and proximal tibia).
b) 3D reconstruction of the IPFP; posterior view. The anterior surface area is colored in red and the posterior (femoral and tibial) surface area in blue.
