Presentation
Twisting injury followed by locking of knee.
Patient Data
Age: 25 years
Gender: Male
From the case:
Double PCL sign
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/56052/annotated_viewer_json?iframe=true\u0026lang=us"}
Reduction in volume of posterior horn of medial meniscus with third fragment seen in intercondylar notch parallel to the posterior cruciate ligament limited by a smaller caliber ACL.
Case Discussion
Double PCL sign is pathognomonic for bucket handle tear of meniscus.