The effect of pelvic ring rotation and tilt on the radiographic teardrop distance: an important consideration in the assessment of dynamic displacement on stress radiographs.
Nicholas J TuckerBryan L ScottAustin HeareStephen C StaceyCyril MauffreyJoshua Alan ParryPublished in: European journal of orthopaedic surgery & traumatology : orthopedie traumatologie (2022)
The TD has excellent interobserver reliability and is minimally impacted by up to 7.5° of rotation, 30° inlet tilt, and 15° of outlet tilt. Utilization of these thresholds may ensure reliability of TD measurements when assessing pelvis stress radiographs.
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