Fig. 3From: Nerve root herniation with entrapment in the facet joint gap after lumbar decompression surgery: a case presentationIntraoperative photograph during revision surgery L4/5 from the left side. The dura is visible under the curette (plus sign), as well as the remaining part of the left facet joint L4/5 (asterisk). A dural tear is revealed with a herniated nerve root (black arrow), which was entrapped into the facet joint gapBack to article page