Presentation
Knee pain after twisting injury
Patient Data
Age: 30 years
Gender: Male
From the case:
Lateral femoral notch sign and ACL tear
{"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/140362/annotated_viewer_json?lang=us"}
MRI demonstrates a complete tear of the anterior cruciate ligament, associated with depression on the lateral femoral condyle, at the terminal sulcus (lateral femoral notch sign).
Small radial tear at the junction of the anterior horn and the body of the lateral meniscus.
Bone marrow edema in the medial femoral condyle.
Moderate joint effusion.
{"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/140397/annotated_viewer_json?lang=us"}
Lateral femoral notch sign
Case Discussion
The lateral femoral notch sign is a depression on the lateral femoral condyle, which is an indirect sign of the anterior cruciate ligament tear.
Unable to process the form. Check for errors and try again.