Filum Terminale Schwannoma Presenting as a Purely Cystic Lesion on Non-Contrast Magnetic Resonance Imaging: Case Report
Spinal schwannomas are benign nerve sheath tumors that typically present as solid or heterogeneous, well-circumscribed masses with contrast enhancement on magnetic resonance imaging (MRI). A 61-year-old male presented with progressive low back and leg pain. Non-contrast MRI revealed an apparently completely cystic intr...