Abstract
Arthroscopic measurement of glenoid bone loss relative to the bare spot is used currently for clinical decision-making with shoulder instability. It would be advantageous to precisely determine glenoid bone loss from imaging in order to make pre-operative decisions about soft tissue versus boney reconstruction. Previous methods describe comparison of the contralateral glenoid, which requires additional radiation exposure and expense. The purpose of this study was to evaluate the ease, reproducibility, and applicability of a novel method of unilateral CT measurement of glenoid surface area, based upon the typically circular geometry of the normal inferior glenoid.
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