A schwannoma is a benign tumor arising from a schwann cell and occurs mainly in the nerve sheath in the intradural extramedullary region. Schwannomas have been well described as occurring in the lumbar spine, but total cystic degeneration of schwannomas is rarely reported. The authors describe the clinical and radiographic evaluations and treatment of a rare case of an intraextradural totally c...

This is a case of 62-year-old patient presenting with tingling and numbness extending from the buttocks area towards lower extremities gait instability. Contrast Magnetic Resonance Imaging (MRI) time-resolved imaging contrast kinetics (TRICKS MRI) raised suspicion for possible dural arteriovenous fistula. Diagnostic Digital Subtraction Angiography (DSA) showed filum terminale arterio venous fis...