“…5 This allows for the infection to spread to the epidural space and cause consequently more or less pronounced neurological defi cits, as the frequency of formation of epidural abscess varies from 10 -27%. 2,5,29 Permanent vertebralgia, increasing at night and rigidity of the paravertebral muscles are the most common symptoms of SS, observed in more than 80% of the cases. 1,2,5,8,13,29 Some patients report febrile state before the debut of pain, most likely due to the hematogenous inoculation of the spine, followed by lasting afebrile periods.…”