First report of spondylodiscitis caused by Bacillus circulans in an immunocompetent patient: Clinical case and review of the literature

Bacillus circulans is mainly considered an opportunistic pathogen in immunocompromised patients. However, many different infections have been described in the literature: bacteremia, abscesses, meningitis, endophthalmitis, and wound infections. We observed a spondylodiscitis caused by Bacillus circulans in an immunocompetent patient. To date, this is the first case reported in literature. Vertebral osteomyelitis represents for clinicians a challenging infection to manage and treat, because of its insidious and indolent course. The diagnosis is frequently difficult and can often be delayed for several months and initially be misdiagnosed and mismanaged. For this reason, the clinical case was described and all published cases of infection caused by Bacillus circulans were reviewed. (C) 2021 The Author(s). Published by Elsevier Ltd.

Automated summary

A case of vertebral osteomyelitis caused by Bacillus circulans was observed in an immunocompetent patient, which is the first reported case in the literature. Vertebral osteomyelitis presents a challenge for clinicians due to its insidious and indolent course, making diagnosis difficult and often delayed.