Correction to: Periarticular screws: what’s in and what’s out of the joint?

Correction to: BMC Musculoskelet Disord 23, 37 (2022)

10.1186/s12891-021-04928-9

Following the publication of the original article [1] the authors requested to remove Figure 1 from the article due to unsecured copyright permission to use the figure.

Fig. 1.

Geometric model of the acetabulum, specifically the posterior wall, demonstrating needing only one view to prove a screw is extraarticular. A Anteroposterior projection of line (screw) not intersecting sphere. Nonintersection cannot be determined. B Oblique projection of line (screw) not intersecting sphere. Nonintersection cannot be determined. C Lateral projection of line not intersecting sphere. As the projection approaches a perpendicular to the line (screw), the relation of the line and the sphere can be determined. [Reprint permission granted 11/11/19, Norris et al. Intraoperative Fluoroscopy to Evaluate Fracture Reduction and Hardware Placement During Acetabular Surgery. J. Orthop Trauma. 1999;13 (6):444–447 [33]

Below is the removed figure.