Twisted knee playing football. Pain and swelling MENISCI: Bilateral menisci appear intact without abnormalityARTICULAR CARTILAGE AND BONE: Minimal signal abnormality in the medial facet of the patellar cartilage without discrete focal degeneration or contour irregularity. The peel and lateral compartments are also intact. Red marrow replacement without additional marrow signal abnormality or significant degenerative changesLIGAMENTS: Mild thickening and increased signal in the ACL with otherwise intact fibers running throughout; specifically no discrete findings to suggest a tear. Remaining ligaments are intact and well visualizedEXTENSOR MECHANISM: No significant abnormality noted.ADDITIONAL
Increased signal and mild thickening of the ACL may correlate with inflammation and acute injury without evidence of an associated tear. No additional acute internal abnormalities, specifically the menisci are intact.