ACL surgical treatment trends in 2017. Actualités sur le traitement chirurgical du LCA en 2017. Eric Choudja Ouabo ; Bertrand Sonnery-Cottet Book chapter-Chapitre de Livre: Le Genou, Sauramps Médical 2017. Knowledges of the anatomy, biomechanics and biology of ACL has improved considerably over the last fifteen years. Contributing to the development of ACL reconstruction techniques with double bundle and then selective reconstructions with preservation of ACL remnant . In 2013, the publication of Steven Claes on the anterolateral ligament (ALL) in the « Journal of Anatomy » caused an important media interest, highlighting a "new knee ligament". The problem for the surgeons in 2017 is therefore whether this ALL is really a ligamentous structure in its own right, if it has a role in the rotatory control of the knee and especially if it must be restored during a reconstruction of the ACL. Many progress have been made recently to detect and treat meniscus ramp lesions , which are difficult to diagnose on imaging.