Spastic Paraplegia 34, X-Linked, also known as spg34, is related to paraplegia and progressive external ophthalmoplegia with mitochondrial dna deletions, autosomal dominant 1. An important gene associated with Spastic Paraplegia 34, X-Linked is SPG34 (Spastic Paraplegia 34 (Autosomal Dominant)). Related phenotypes are hyperreflexia and babinski sign