Demographic and clinical characteristics
| Characteristic | No (%)* (n = 33) |
|---|---|
| Age: median (range) | 71 (49–91) |
| Male sex | 18 (55) |
| Immunocompromising condition† | 2 (6) |
| Systemic comorbidity‡ | 6 (18) |
| Presumed source | |
| Skin/soft tissue | 4 (12) |
| Intravascular device | 1 (3) |
| Infection relapse | 1 (3) |
| Endovascular | 5 (15) |
| Wound infection | 4 (12) |
| Septic joint/bursa | 2 (6) |
| Unclear | 16 (48) |
| Median days of symptoms prior to diagnostic MR imaging (range) | 22 (7–162) |
| Microbiologic etiology | |
| S aureus | 15 (45) |
| Staphylococcus coagulase negative | 5 (15) |
| Streptococcus viridans group | 5 (15) |
| Gram-negative rod | 2 (6) |
| Culture negative | 6 (18) |
| Anatomic level involved | |
| Cervical | 3 (9) |
| Cervicothoracic | 1 (3) |
| Cervicothoracic-lumbar | 1 (3) |
| Thoracic | 6 (18) |
| Thoracolumbar | 3 (9) |
| Lumbar | 14 (42) |
| Lumbosacral | 5 (15) |
* Unless specified otherwise.
† Corticosteroids, other immunosuppressing medications.
‡ Diabetes mellitus, creatinine >2.0 mg/dL, systemic malignancy, prior radiation therapy, chronic liver disease.