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Hereditary Demyelinating HMSN IA IB variant: Hypertrophic radiculopathy III Refsum Neurofibromatosis Noonan syndrome + CMT1A Proximal nerve hypertrophy Acquired Amyloidosis CIDP Multifocal motor neuropathy: Brachial plexus   Neoplasm: Neurolymphomatosis Nerve Entrapment: Ulnar; Median Acromegaly Leprosy Localized Hypertrophic focal mononeuropathy Schwann cell & perineurial Endoneurial fibrosis Peripheral nerve tumors Klippel-Trenaunay-Weber IB variant: Hypertrophic radiculopathy

Enlarged nerves in neck (Arrow)

Chronic demyelinating neuropathy: Enlarged nerve roots

Klippel-Trenaunay-Weber syndrome Clinical syndrome Cutaneous capillary malformation Varicose veins Hypertrophy of bone & soft tissue Distribution Common: Single extremity, especially leg Other: Multiple extremities to whole body Nerves involved Sciatic: Associated with Perineurial lipoma Median: Carpal tunnel syndrome Ulnar Tethered spinal cord

Cutaneous capillary malformations Enlarged hands (L > R) From: M Al-Lozi