Back Pain: DISK MASSEdit
D == Degeneration: DJD, Osteoporosis, spondylosis
I == Infection: UTI, PID, Potts, osteomyelitis, prostatitis, Injury/fracture, compression fracture.
S == Spondylitis, ankylosing Spondyloarthropathies (rheumatoid arthritis, Reiters, SLE)
K == Kidney stones/infarction/infection (pyelo/abscess)
M == Multiple myeloma, Metastasis from breast, prostate, lung, thyroid, kidney CA
A == Aneurysm, Abdominal pain referred to the back (see acute abdominal pain)
S == Slipped disk, Spondylolisthesis
S == Strain, Scoliosis/lordosis, Skin: herpes zoster.