A 7 x 7 x 1.7 cm subcutaneous elliptical fluid collection eliciting low T1 and high T2/PDFS/STIR signals is seen anterosuperior to the patella enclosed within the splitted deep fascia.
Altered marrow signal of posterior aspect of medial tibial condyle eliciting low T1 and high T2/PDFS/STIR signal.
Minimal intra-articular joint effusion.