Spastic Quadriplegia Resulting From a Pathogenic Variant in the SPAST Gene: A First Report. - Kostopoulou, Eirini; Lagadinou, Maria; Karatza, Ageliki; Sinopidis, Xenophon; Khang, Rin; Dimitriou, Gabriel; Simone, Isabella Laura (Case Reports in Neurological Medicine, 2026)