Case Presentation: In this case, we present a 26-year-old female with a 3-week history of worsening back pain, left leg weakness, left leg numbness/tingling, and difficulty urinating, suggestive of incomplete BSS. Upon preoperative imaging, a non-enhancing intradural cystic mass at the level of T3-T4 with mass effect on the spinal cord was revealed. Laminectomy and [...]