Spastic Paraplegia 15, Autosomal Recessive, also known as spg15, is related to mast syndrome and spastic paraparesis, and has symptoms including ataxia, clonus and urgency of micturition. An important gene associated with Spastic Paraplegia 15, Autosomal Recessive is ZFYVE26 (Zinc Finger FYVE-Type Containing 26). Affiliated tissues include cerebellum and retina, and related phenotypes are hypoplasia of the corpus callosum and intellectual disability