Figure 1 : "Lumbar Magnetic Resonance Imaging: posterior infectious/inflammatory process from L1 to L5. Free liquid in subcutaneous cell space that might correspond to extravasated anaesthetic. No evidence of abscesses".

González Valverde et al.Journal of Anesthesiology and Clinical Science  2013 2:11DOI : 10.7243/2049-9752-2-11