A 15 YEAR OLD BOY WITH AN ASCENDING SPASTIC PARALYSIS Teaching Video NeuroImages Neurology Resident and Fellow Section © 2013 American Academy of Neurology

Embed Size (px)

Citation preview

  • Slide 1
  • A 15 YEAR OLD BOY WITH AN ASCENDING SPASTIC PARALYSIS Teaching Video NeuroImages Neurology Resident and Fellow Section 2013 American Academy of Neurology Mastrangelo et al
  • Slide 2
  • VIGNETTE Male, 15 years; Clinical presentation: -Early onset spastic paraparesis -> spastic quadriparesis ; -Hypo- and bradykinesia; -Dysphagia, dysarthria, and hypomimia; -Preserved cognitive functioning (Leiter-R IQ 86); -Delayed motor evoked potentials; -MRI: Cortico-bulbar tract signal abnormality ; Mastrangelo et al 2013 American Academy of Neurology
  • Slide 3
  • Mastrangelo et al 2013 American Academy of Neurology
  • Slide 4
  • Mastrangelo et al 2013 American Academy of Neurology
  • Slide 5
  • Clinical course of infantile ascending hereditary spastic paralysis Mastrangelo et al - Diagnosis: Infantile ascending hereditary spastic paralysis (IAHSP). - ALS2 gene sequencing: homozygous c.2992C>T (p.R998X) substitution in exon 18; - IAHSP may be misdiagnosed as a static encephalopathy because of its slow progression; - Children with slowly progressive quadriparesis should be tested for ALS2 gene mutations. 2013 American Academy of Neurology