Transforaminal Endoscopic Decompression for a Giant Epidural Gas-Containing Pseudocyst: A Case Report and Literature Review

The isolated epidural gas-containing pseudocyst is an uncommon pathogenic factor for severe pain of the lower limb as a result of nerve root compression. After reviewing these rare cases reported in the literature, we found that the name, pathogenesis, and treatment strategy of this pathology remained controversial. The most common treatment is conservative treatment or percutaneous aspiration which might result in poor pain relief and high...