Report of an unusual complication of radiofrequency neurotomy of medial branches of dorsal rami.

Radiofrequency neurotomy (RFN) of the medial branches (MB) of the lumbar dorsal rami is a common procedure to treat facetogenic backache. Serious complications are unusual when guidelines are followed (1). We report for the first time, the development of severely painful camptocormia (inability to straighten the back in the upright position that disappears in the recumbent position) as a complication immediately following MB RFN. The myofascial consequences of MB RFN are highlighted.