Template:Lower Limb Pain Neurogenic and Referred DDX
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- Systemic Conditions
- Metabolic Neuropathy
- Diabetes Mellitus with distal symmetrical polyneuropathy
- Diabetes Mellitus of other subtypes - proximal diabetes, truncal, cranial, median and ulnar neuropathies
- Diabetes Mellitus with autonomic neuropathy
- Diabetic amyotrophy Probably a vasculitis aetiology with ischaemia followed by axonal degeneration and demyelination. Characterised by unilateral weakness, wasting, and pain, commonly in the quadriceps, then spreading later to the contralateral side asymmetrically.
- Vasculitic Neuropathy vasculitis of the small and medium-sized vessels in the peripheral nervous system.
- Primary vasculitides: Churg-Strauss syndrome, microscopic polyangiitis, classic polyarteritis nodosa and Wegener granulomatosis
- Secondary vasculitides: A complication of connective tissue disease (systemic lupus erythematosus, rheumatoid arthritis and Sjรถgren syndrome), infection (hepatitis B and C, human immunodeficiency virus, Lyme disease, cytomegalovirus, Herpes zoster virus and various bacterial infections), medication (sulphonamides, other antibiotics and anti-viral agents) and paraneoplastic vasculitis
- Paraneoplastic peripheral neuropathy In addition to local effects and paraneoplastic vasculitis, can also get sensorimotor paraneoplastic neuropathy. May have anti-neuronal antibodies and EMG findings.
- Metabolic Neuropathy
- Brain
- Multiple sclerosis
- Parkinsonโs disease
- Motor neurone disease
- Post-stroke pain in lenticulo-capsular haemorrhages
- Space-occupying lesions.
- Spinal Cord
- Multiple sclerosis
- Motor neurone disease
- Syringomyelia
- Transverse myelitis
- Posterior or anterolateral situated space-occupying lesion (e.g. tumour, abscess, haematoma)
- Cervical and Thoracic Spinal Canal
- Any posterior or anterolateral space-occupying lesion (e.g. abscess, tumour, haematoma)
- Conus Medullaris
- Disc pathology
- Gas sequestration
- Tumours (soft tissue, intradural, extradural, bone, metastases)
- Lumbar Spine Canal
- Interspinous bursa
- Facet joint (OA, hypertrophy, cyst, rotational instability)
- Anterolisthesis or retrolisthesis
- Space-occupying lesion (disc pathology, haematoma, tumours)
- Lumbar Nerve Root Canal
- Lumbar Extraforaminal Area
- Pelvis
- Lower Extremity