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  Extraforaminal lumbar disc herniation (ELDH) amounts of 7%-12% of all lumbar disc herniations. Although they have already been widely described, an optimal treatment is still under discussion in the literature. We describe a novel application of navigation using 2D/3D imaging system to plan an adequate surgical trajectory and performing a neuronavigated microdiscectomy in ELDH that has not been previously described. This is a retrospective study in a single institution. Between February 2017 and July 2020, a total of 12 patients (7 males
 
					 
						 
                                     
				    				