Spastic Paraplegia 16, X-Linked, also known as spg16, is related to atrophy of testis and spastic paraplegia 24, autosomal recessive, and has symptoms including urgency of micturition, abnormal pyramidal signs and restlessness. An important gene associated with Spastic Paraplegia 16, X-Linked is SPG16 (Spastic Paraplegia 16 (Complicated, X-Linked Recessive)), and among its related pathways/superpathways is Primary ovarian insufficiency. Related phenotypes are nystagmus and tetraplegia