Conditions / Nervous system

hereditary sensory and autonomic neuropathy type 2A

info ยท Nervous system

A hereditary sensory and autonomic neuropathy type 2 characterized by progressive sensory neuropathy with onset in childhood that has_material_basis_in homozygous or compound heterozygous mutation in the HSN2 isoform of the WNK1 gene on chromosome 12p13.

Signs and symptoms

  • Hyporeflexia
  • Anhidrosis
  • Episodic hyperhidrosis
  • Painless fractures due to injury
  • Hypotonia
  • Areflexia
  • Gastroesophageal reflux
  • Generalized hypotonia
  • Decreased number of peripheral myelinated nerve fibers
  • Osteolytic defects of the phalanges of the hand

Also known as: HSAN2A; hereditary sensory and autonomic neuropathy type IIA