Tehran University of Medical Sciences Journal of Orthopedic and Spine Trauma 2538-2330 5 2 2020 08 10 40 4 Farzad Vosooghi Joint reconstruction research center, imam khomeini hospital, tehran university of medical sciences Rohollah Khajeh Department of Orthopedic Surgery, Hand, and Upper Extremity Service, Imam Khomeini Hospital Complex, Tehran University of Medical Sciences, Tehran, Iran SM Javad Mortazavi Department of Orthopedic Surgery, Joint Reconstruction Research Center, Imam Khomeini Hospital Complex, Tehran University of Medical Sciences, Tehran, Iran 2020 04 05 2020 04 29 Scapholunate instability is the most common cause of carpal instability. The entity is  often missed in practise. If diagnosed early, it may be repairable. However, the later it is diagnosed, the more complicated and difficult the management would be. In this paper we aimed at reviewing the main concepts of the carpal instability and delineating the wide management options of scapholunate interosseous ligament injury discussed in the literature. https://jost.tums.ac.ir/index.php/jost/article/view/168 https://jost.tums.ac.ir/index.php/jost/article/download/168/151