FIG 3. Case 3, a 74-year-old woman with sacral insufficiency fracture.

A and B, Preoperative sacral MR images show low-T1 (A[TR/TE, 450/14]) and high-T2 (B[4000/99]) signal intensity, consistent with the edema from a sacral insufficiency fracture.

C, Pelvic CT scan illustrates the two intended needle paths, simplifying needle placement during sacroplasty.

D, Postoperative CT confirms cement location.