The sacrum is a bone at the back of the pelvis between the hip bones. A sacral fracture can cause symptoms including lower back and buttock pain, swelling, and reduced bowel and bladder control.

Sacral insufficiency fractures are types of stress fractures that typically occur in older people, especially older people who were assigned female at birth with osteoporosis. As we age, our bodies ...

In 2D planning, the treatment field typically extends craniocaually from the L5-S1, disc space to the lower pole of the obturator foramen and laterally to 1–2 cm beyond the margin of the bony pelvis ...