Spinal discitis e etsa karolo ea 2% ho isa ho 7% ea mafu 'ohle a mesifa le masapo a bakoang ke libaktheria, li-fungus,' me, ka seoelo, ke likokoana-hloko. Hoo e ka bang halofo ea linyeoe tsohle tsa mafu a mokokotlo li fumaneha mokokotlong oa lumbar, hanyenyane ho feta karolo ea boraro mokokotlong oa thoracic, 'me karolo e setseng e le mokokotlong oa mokokotlo.