<i>SPG11</i> geninde yeni bir varyantı barındıran kalıtsal spastik paraplejinin karmaşık bir formu.

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Individuals with hereditary spastic paraplegia (HSP) are known to present with a variety of symptoms, including intellectual disability, cognitive decline, parkinsonism, and epilepsy. We report here our experience of treating a family with consanguinity, including three patients with HSP-related symptoms. We performed whole-exome sequencing and identified a novel pathogenic nonsense variant, c.4544G > A, p.W1515*, in the SPG11 gene. Proband and her affected sister showed the same course of gait disturbance due to spastic paraplegia from childhood and progressive cognitive decline from early adulthood. Brain MRI depicted a thinning of the corpus callosum, severe atrophic changes in the frontotemporal lobes, and ears of the lynx sign. Patients with SPG11 variants clinically present with distinctive symptoms.

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