Hereditary spastic paraplegia type 74 (SPG74)

Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .

Hereditary spastic paraplegia type 74 (SPG74). This is caused by mutations in the IBA57 gene on chromosome 1q. Fully referenced neurology checklist.

Genetics

  • This is caused by mutations in the IBA57 gene on chromosome 1q
  • The transmission is autosomal recessive
  • The onset is in the first decade of life

Clinical features

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Nerve conduction studies (NCS): features

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References

  1. Lossos A, Stümpfig C, Stevanin G, et al. Fe/S protein assembly gene IBA57 mutation causes hereditary spastic paraplegia. Neurology 2015; 84:659-667. 

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