Off-axis view radiographs for assessing hallux valgus interphalangeus in hallux valgus deformity: A comparison with the traditional anteroposterior standing radiographs.

Background: The newly described anteroposterior "off-axis view" (OAV) radiograph might help detect a hallux valgus interphalangeus (HVI) deformity more precisely compared to anteroposterior standing radiographs.

Methods: A radiographic assessment of HVI angles was performed using preoperative standing anteroposterior and OAV radiographs for 67 ft. Intra- and interobserver agreement for all angles and their correlation with HV severity were analyzed.