Classification of spinal cord disorders

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Classification of spinal cord disorders

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Classification of spinal cord disorders

  1. 1. Spinal cord disorders-classification Non compressive Heredo-degenerative o MND 1. Progressive muscular atrophy PMA 2. Amyotrophic lateral sclerosis (ALS) 3. Progressive bulbar palsy 4. Pseudobulbar palsy o Spinal muscular atrophy  Infantile  Childhood  Adult o Hereditary spastic paraparesis o Spinocerebellar degeneration o Friedreich’s ataxia o Syringomyelia/bulbia Inflammatory o Transverse myelitis o Multiple sclerosis o Neuromyelitis optica (Devic’s Dx) o Radiation myelopathy Infective o Poliomyelitis o TB-meningitis, arachnoditis, granuloma, tuberculoma o Syphilis o HIV o HTLV o Schistosomiasis Vascular o Infarction-ant spinal artery thrombosis o Haemorrhage o AV malformation Nutritional o Deficiencies  B12-SACD  E o Toxic  Lathyrism  Konzo - tropical ataxic neuropathy
  2. 2. Compressive Extradural o Metastases:  Bronchus  Breast  Prostate  Lymphoma  Thyroid  Melanoma Extramedullary o Meningioma o Neurofibroma o Ependymoma Intramedullary o Glioma o Ependymoma o Haemangioblastoma o Lipoma o AV malformation o Teratoma Referance Netter_s_Neurology, Kumar & Clark - Clinical Medicine 8E
  3. 3. A 16-year-old boy suddenly began to walk with both knees in a flexed posture. Initially, his parents thought he was just joking. However, later that evening he began to experience knife-like pain in midback radiating around his ribs toward his epigastrium. The next morning, he awakened unable to get out of bed. He was unable to void. On neurologic examination he was paraplegic, his muscle stretch reflexes were absent, and his plantar response “ambiguous.” Sensory exam suggested a T10 level for both pain and temperature modalities. Pertinent laboratory findings included CSF findings with a protein 175 mg/dL, and 30 WBC with 90% lymphocytes. Nerve conductions demonstrated prolonged F waves but otherwise normal motor and sensory nerve conductions. The spinal cord had a focal demyelinating lesion with gadolinium enhancement involving most of its transverse diameter at T9–T11. Unfortunately a course of intravenous (IV) methylprednisolone was ineffective; he remained paraplegic, with a persistent dense sensory level and ongoing incontinence. Spinal Cord Disorders Compressive Vascular Spinal Cord Disorders Inflammatory Infectious Epidural, intradural, or intramedullary neoplasm Epidural abscess Epidural hemorrhage Cervical spondylosis Herniated disk Posttraumatic compression by # or displaced vertebra or hemorrhage AVM Antiphospholipid syndrome & other hypercoagulable states Multiple sclerosis Neuromyelitis optica Transverse myelitis Sarcoidosis Sjögren-related myelopathy SLE Vasculitis Viral: VZV, HSV-1 & -2, CMV, HIV, HTLV-I, others Bacterial & mycobacterial: Borrelia, Listeria, syphilis, others Mycoplasma pneumoniae Parasitic: Schistosomiasis, Toxoplasmosis Syringomyelia Developmental Meningomyelocele Tethered cord syndrome Metabolic Vitamin B12 ↓ (subacute combined degeneration) Copper ↓ Acute transverse myelopathy (transverse myelitis) This term is used to describe a cord lesion and paraparesis (or paraplegia) occurring with Viral infections, MS,
  4. 4. MCTD & Other inflammatory and vascular disorders, e.g. Hiv, sarcoid, syphilis, Radiation myelopathy & Anterior spinal artery occlusion. MRI is usually required to exclude cord compression. Management of paraplegia Symptomatic 1. Bladder. Catheterization is usually necessary initially. Many patients self-catheterize, or develop reflex bladder emptying, helped by abdominal pressure. Free urinary drainage is essential to avoid stasis, subsequent infection and calculi. 2. Bowel. Constipation and impaction must be avoided. (Stool softeners) Following acute paraplegia, manual evacuation is necessary; reflex emptying develops later. 3. Lower limbs. Passive physiotherapy helps to prevent contractures. Severe spasticity, with flexor or extensor spasms, may be helped by baclofen, diazepam, dantrolene, tizanidine or botulinum toxin injections. Supportive 1. Skin care. Risks of pressure sores and their sequelae are serious. Meticulous attention must be paid to cleanliness and to turning every 2 hours. The sacrum, iliac crests, greater trochanters, heels and malleoli should be inspected frequently. Ripple mattresses/water beds are useful. If pressure sores develop, plastic surgical repair may be required. Pressure palsies, e.g. of ulnar nerves, must be avoided. 2. DVT prophylaxis/ crepe bandage 3. Prevent orthostatic pneumonia: physiotherapy 4. Rehabilitation Many patients with traumatic paraplegia or tetraplegia return to self-sufficiency. Specialist advice from a skilled rehabilitation unit is necessary. Lightweight, specially adapted wheelchairs are available. Patients with paraplegia have substantial practical, psychological and sexual needs. General health and morale should be reviewed carefully and regularly. Any intercurrent infection is potentially dangerous and should be treated early. Chronic renal failure is a common cause of death. The paraplegic patient needs skilled and prolonged nursing care and training to be aware of problems.

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