It is most likely to grow around the skull base, known as a clival chordoma, and the tailbone area, which is a sacral tumor. Chordomas are rare, with only 1 in 1,000,000 people receiving a ...

Medically reviewed by Doru Paul, MD Tailbone pain, or coccydynia, occurs below your hips at the end of your spine. It affects the coccyx (tailbone). Tailbone pain causes range from prolonged sitting ...

A sacral dimple (sacrococcygeal or coccygeal dimple) is an indentation just above the groove between your buttocks. ... Sacral dimples show up in 1.8% to 7.2% of newborn babies.

The tailbone, or coccyx, is the last bone in the spine. Symptoms of a tailbone fracture include a constant dull pain in the very low back, and pain that worsens when sitting. Hot or cold packs and ...

The sacrum and the coccyx each consist of multiple bones that fuse over time. L5-S1 consists of the last bone in the lumbar spine (low back), called L5, and the triangle-shaped bone under it ...

Your sacroiliac joints are located where the sacrum and ilium meet. The sacrum is the triangle-shaped bone near the bottom of your spine, just above your coccyx, or tailbone.

Osteomyelitis of the Coccyx and Sacrum with Sinus Formation Simulating Anorectal Fistula — Report of Two Cases Authors : Harry E. Bacon , M.D. , and Andrew Taylor , M.D. Author Info & Affiliations ...