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.