Fluoroscopically assisted needle biopsy (red arrow) after finding of continued distal left clavicle osteolysis after revision surgery, removal of implants, and four week course of intravenous Vancomycin. MRI demonstrated resolution of osteomyelitis. Cultures of the biopsy demonstrated no growth of C. acnes three weeks after. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)