Quantitative 3-Dimensional CT Analyses of Intramedullary Headless Screw Fixation for Metacarpal Neck Fractures

The dorsal articular starting point was in line with the medullary canal and avoided engaging the center of the articular base through most of the sagittal plane arc. Three-dimensional computed tomography data support the use of an articular starting point for these extra-articular fractures.