Accuracy of 3D surface scanners for clinical torso assessment

Externally visible deformity (rib hump or ribcage asymmetries) is a cosmetic feature of great concern for Adolescent Idiopathic Scoliosis (AIS) patients. Current assessment techniques for AIS do not fully encompass the external deformity. A non-invasive method capable of capturing superficial anatomy would enable better qualitative and quantitative evaluation of cosmesis. Handheld 3D scanners rapidly capture high resolution 3D scans of surface features. This study aimed to quantify the accuracy of three commonly available scanners, in assessing posterior asymmetry in AIS