Filum Terminale Hemangioblastoma with Four Categories of Lesions

A 20-year-old male patient was admitted to the hospital because of a 3-month history of lumbosacral pain and constipation. Physical examination showed decreased superficial sensitivity in both lower extremities. Lumbosacral magnetic resonance imaging (MRI) showed an intraspinal lesion at the S1 level. T1-weighted enhanced MRI demonstrated a homogenous enhancement of the mass. In addition, the MRI also showed lumbar scoliosis, diastematomyelia at...