Fig. 4From: Infrapatellar fat pad area on knee MRI: does it correlate with the extent of knee osteoarthritis?Advanced osteoarthritis on MRI. a Sagittal STIR image showing advanced osteoarthritic changes with bulky marginal osteophites (short arrows), subchondral BML (long arrow), and intra-articular loose body (bold arrow). b Sagittal T2WI with fat saturation showing patellar polar spurs (black arrowheads), corresponding IPFP area = 5.17 cm2Back to article page