The lumbar region is located between the thoracic (chest) region of the spine and the sacrum, a large bone at the base of the spine. The lumbar spine usually curves slightly inward, called lordosis.

According to a publication by the Mayo Clinic, sacroiliac pain can be difficult to diagnose for a variety of reasons. Yet, it ...

Should the health issue affect the sacral and lumbar segments of the spine, it often results in numbness in the feet.

they are specifically rotations and tilts of the sacrum on the ilium and on L5, the 5th lumbar vertebra. Sacroiliac disorders include movements around diagonal axes, unilateral sacral flexion ...

One reader read 2 lesions in lumbar spine (C, arrows), and second reader read additional lesions in ribs, thoracic spine, and sacrum (C, arrowheads). This case is false-positive on bone scan.