RT Journal Article SR Electronic T1 Masquerade: Medical causes of back pain JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 905 OP 913 VO 74 IS 12 A1 Klineberg, Eric A1 Mazanec, Daniel A1 Orr, Douglas A1 Demicco, Russell A1 Bell, Gordon A1 Mclain, Robert YR 2007 UL http://www.ccjm.org/content/74/12/905.abstract AB Back pain has many causes, and 95% of cases are due to benign, self-limiting problems. Most problems are musculoskeletal and are relieved with rest and nonsteroidal medications. However, some serious and life-threatening medical conditions also can present as acute back pain.