Objectives: This case report aims to contribute to the expanding genotypic-phenotypic spectrum of TTR associated leptomeningeal amyloidosis.
Methods: Neuroimaging and targeted TTR Sanger sequencing were performed on a 52-year-old female presenting with cognitive and motor symptoms.
Results: The proband, a Sri Lankan woman, presented with a gradually progressive cognitive decline, followed by a rapid deterioration in motor function and level of consciousness.