label: hereditary spastic paraplegia 12
label_lc: hereditary spastic paraplegia 12
description: Autosomal dominant spastic paraplegia type 12 is a pure form of hereditary spastic paraplegia characterized by a childhood- to adulthood-onset of slowly progressive lower limb spasticity and hyperreflexia of lower extremities, extensor plantar reflexes, distal sensory impairment, variable urinary dysfunction and pes cavus.