Huntington’s disease (HTT expansions)

Although Huntington’s disease is the most common form of chorea, it is estimated that 1% to 7% of suspected cases have a negative HTT triplet repeat expansion study (Martino et al., 2012), and other differential diagnoses must be considered. In addition to other non-genetic conditions (infectious, immune, toxic, or vascular), there are several phenocopies of Huntington’s chorea that must be taken into account.

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Three sample types: saliva, peripheral blood or genomic DNA

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Huntington's disease (HTT expansions)

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Turnaround time (TAT): 8 weeks

Ref. S-202008726

References

  • Martino D, Stamelou M, Bhatia KP. The differential diagnosis of Huntington’s disease-like syndromes: ‘red flags’ for the clinician. J Neurol Neurosurg Psychiatry. 2013 Jun;84(6):650-6.