Extradural spinal lesion

Common: Aneurysmal bone cyst; Bulging intervertebral disk; Chordoma; Dermoid; Diffuse idiopathic skeletal hyperostosis; Epidermoid; Epidural abscess; Epidural metastasis; Epidural scar; Extradural spinal lipomatosis; Ganglioneuroblastoma; Ganglioneuroma; Giant cell tumor; Hemangioma; Hematoma; Herniated nucleus pulposus; Intraspinal ligament ossification; Ligamentum flavum thickening; Meningioma; Metastasis; Myeloma; Neuroblastoma; Neurofibroma with intradural component; Osteoblastoma; Osteochondroma; Osteomyelitis; Osteophyte; Pyogenic abscess; Sarcoma; Sequestered nucleus pulposus; Spinal stenosis; Spondylosis; Teratoma; Tuberculous abscess; Vertebral fracture
Uncommon: Amyloidosis; Arachnoid cyst; Arachnoiditis; Cysticercosis; Epidural granuloma; Extramedullary hematopoiesis; Fibroma; Hydatid disease; Lipoma; Lymphoma; Paget disease of bone; Schistosomiasis