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Multifocal discitis caused by Staphylococcus warneri.

Nadia Announ¹, Jean Pierre Mattei, Sami Jaoua

¹Rheumatology Department, Hôpital de la Conception, 147, boulevard Baille, 13005 Marseille, France.

Joint Bone Spine

|June 9, 2004

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Staphylococcus warneri can cause spinal infections like discitis, even in healthy individuals. This case highlights the challenges in diagnosing S. warneri discitis due to its atypical, chronic presentation.

Area of Science:

Infectious Diseases
Bacteriology
Clinical Case Study

Background:

Staphylococcus warneri is a coagulase-negative staphylococcus, a common skin commensal.
While typically benign, S. warneri can cause serious infections such as septicemia and endocarditis.
Spinal infections, particularly discitis, are rare but significant manifestations of S. warneri.

Observation:

A case of multifocal discitis caused by Staphylococcus warneri in an immunocompetent patient is presented.
The patient exhibited chronic, increasing thoracic or lumbar spine pain, mimicking common low back pain.
This presentation contrasts with the acute onset typical of Staphylococcus aureus discitis.

Findings:

This report details only the fourth known case of spinal infection attributed to S. warneri.

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The multifocal nature of the lesions in this patient is a previously unreported characteristic.

The atypical, chronic presentation may stem from the distinct bacteriological properties of S. warneri.

Implications:

Diagnosing discitis caused by coagulase-negative staphylococci, such as S. warneri, presents unique challenges.
Clinicians should consider less common pathogens when faced with atypical presentations of spinal infections.
Further research into the pathogenicity and clinical spectrum of S. warneri spinal infections is warranted.