Correction: BMC Anesthesiol 22, 334 (2022)

https://doi.org/10.1186/s12871-022-01863-7

Following publication of the original article [1], the authors identified an error in Fig. 4. The correct figure is given below.

Fig. 4
figure 1

Course and staining of the peripatellar plexus 30 min after dye injection. A Course and staining of the LFCN; B Course and staining of the IPBSN; C Course and staining of the IFCN; D Course and staining of the aMFCN; E Staining of the FN. ASIS, anterior superior iliac spine; SM, sartorius muscle; aLFCN, anterior branch of the lateral femoral cutaneous nerve; pLFCN, posterior branch of the lateral femoral cutaneous nerve; IPBSN, infrapatellar branch of the saphenous nerve; IFCN I, intermediate femoral cutaneous nerve branch I; IFCN II, intermediate femoral cutaneous nerve branch II; aMFCN, anterior branch of the medial femoral cutaneous nerve; SN, saphenous nerve; FN, femoral nerve

The original article [1] has been updated.