title: Magnetic resonance imaging appearance of a double anterior cruciate ligament associated with a displaced tear of the lateral meniscus.
abstract: The aim of this study is to report a novel description of a displaced tear of the lateral meniscus as a curvilinear low signal intensity band parallel and posteroinferior to the anterior cruciate ligament (ACL) on midline oblique sagittal magnetic resonance (MR) images, resulting in the appearance of a "double ACL." The appearance of a double ACL may potentially be a specific indicator for a lateral meniscal displaced tear. Increased awareness of this characteristic MR finding may increase accuracy in the diagnosis of displaced tears of the lateral meniscus.
authors.affiliation: San Antonio Uniformed Services Health Education Consortium (USHEC), Department of Radiology, Brooke Army Medical Center, Fort Sam Houston, TX 78234-6200, USA. liem.mansfield@gmail.com
authors.forename: Liem T
authors.initials: LT
authors.lastname: Bui-Mansfield
authors.forename: Robert M
authors.initials: RM
authors.lastname: DeWitt
mesh_terms: D000293:Adolescent; D000328:Adult; D000070598:Anterior Cruciate Ligament Injuries; D001265:Athletic Injuries / Q000175:diagnosis; D006801:Humans; D007718:Knee Injuries / Q000175:diagnosis*; D008279:Magnetic Resonance Imaging; D008297:Male; D012189:Retrospective Studies; D000070600:Tibial Meniscus Injuries