We report on a female patient who received microvascular decompression due to hemifacial spasm. Neuro-Patch® was used during the operation to repair and replace damaged dura mater. Six days after the operation, the incision wound was found to be infected. Abscesses were present deep in the incision. However, because the artificial dura mater was attached so tightly to the original dura mater, the infection was not able to spread inside the skull. After 3 months of meticulous wound cleaning and drug treatment to promote the growth of granulation tissue, we were able to gradually achieve healing of the infection without having to remove the non-absorbable artificial dura mater. By describing this case and the results of a review of the pertinent literature, we discuss the possibility of recovery of an infection without removal of artificial dura mater.
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