“…OPN was employed in 15 studies, including a total of 3940 cases [ 8 – 11 , 13 , 15 – 18 , 25 , 32 , 46 , 51 , 55 , 56 ], whereas LPN was applied in 27 studies, with a total of 2812 cases [ 9 – 12 , 14 , 16 – 25 , 27 , 30 , 31 , 39 , 45 , 48 , 49 , 55 – 58 ]. RAPN was analysed in 37 studies, comprising a total of 5661 cases ( Table 2 ) [ 18 , 20 , 21 , 22 , 24 – 29 , 31 – 38 , 40 – 58 ]. All the studies reported enucleoresection as the excision technique for PN ( Figure 2A ).…”