A nodular image of slightly heterogeneous density is visualized, with small punctate calcifications in its interior, it presents intra-articular location, medial to the patella, causing irregularity of the cortical of the internal facet and minimal lateral displacement of the same. It is associated with a slight increase in articular fluid. It measures approximately 50 x 33 x 19 mm (longitudinal, transverse, and anterior-posterior).