Following the publication of our article [1] an error in the case presentation section was noted. In the description of the lumbar puncture procedure, we incorrectly stated the units of the opening pressure.Upon lumbar puncture, performed in the lateral decubitus position, an opening pressure of 40 mm of water was documented.Should read:Upon lumbar puncture, performed in the lateral decubitus position, an opening pressure of 40 cm of water was documented.