Degenerative

• Alkaptonuria
• Ankylosing spondylitis
• C6-7 herniated disk
• Calcified disk fragment
• Epidural fibrosis
• L5-S1 herniated disc
• Lateral disk herniation
• Lateral lumbar HNP
• Thoracic HNP
• Spinal stenosis
• Synovial cyst
• Synovial cyst

Neoplastic

• Cervical schwannoma
• Filum ependymoma
• Liposarcoma
• Lumbar ependymoma
• Meningioma
• Meningioma
• Meningioma
• Meningeal neuroectodermal carcinomatosis
• Metastatic adenocarcinoma
• Metastatic lung Carcinoma

Infectious

• Aspergillis discitis
• Brucellosis discitis
• Spondylitis
• Staphylococcal discitis
• Staphyloccocal discitis
• Transverse myelitis
• Tuberculous spondylitis

Congenital/Developmental

• Chiari I malformation and syrinx
• Lipomyelomeningocele
• Lipomyelomeningocele
• Lipomyelomeningocele
• Thoracic arachnoid cyst

Demyelinating/Inflammatory

• Charcot-Marie-Tooth disease
• Multiple sclerosis
• Multiple sclerosis
• Vitamin B12 deficiency

Metabolic/Toxic

• Alkaptonuria
• Vitamin B12 deficiency

Traumatic

• Cervical spine fracture
• Upper rib fractures

Vascular

• Cavernous hemangioma
• Intramedullary spinal AVM
• Type IV spinal AVM

Other