At the time the article was created Yaïr Glick had no recorded disclosures.
View Yaïr Glick's current disclosuresAt the time the article was last revised Shruti Balasubramanian had no financial relationships to ineligible companies to disclose.
View Shruti Balasubramanian's current disclosuresEmpty notch sign is a direct sign of anterior cruciate ligament (ACL) tear/avulsion at its femoral attachment. It denotes a fluid signal at the expected ACL attachment site at the intercondylar notch (fossa) on axial and coronal fluid-sensitive MR images.
The proximal ACL is the second most common site of injury after the midsubstance. Hence, close scrutiny of the attachments of the ACL is warranted.
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