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. 2019 May 30;123(2):e350–e358. doi: 10.1016/j.bja.2019.04.054

Fig. 5.

Fig. 5

Anatomical details at vertebral levels L1 and L3. At level L1 (left), the psoas major (PM) and quadratus lumborum (QL) muscles are visible postero-medial to the diaphragm (indicated by pink colour). At level L3 (right), the perirenal and pararenal fat compartments are distinct and clearly visible. Modified excerpt from VH Dissector with permission from Touch of Life Technologies Inc (www.toltech.net). Built on real anatomy from the National Library of Medicine Visible Human Project. Red arrows indicate the perirenal fat compartment, yellow arrows indicate the pararenal fat compartment, white arrows indicate the needle pathway. C, costae; ES, erector spinae muscle; K, kidney.