Fig. 1From: The comparison between anterior and posterior approaches for removal of infected lumbar interbody cages and a proposal regarding the use of endoscope-assisted techniqueIllustrations of posterior and axial view, respectively, of the endoscope-assisted removal technique (A, B). By means of adequate enlargement of the previous TLIF/PLIF entrance, the endoscope and working instruments can be inserted concurrently to identify the cage and adjust the cage alignment safely and efficiently. After thread tightening, the cage can then be retrieved smoothlyBack to article page