%0 Case Reports
%T A 24-Year-Old Man With Spastic Ataxia and Hypodontia.
%A Marien L
%A Tsitsi P
%A Cypers G
%J JAMA Neurol
%V 81
%N 6
%D 2024 Jun 1
%M 38648069
%F 29.907
%R 10.1001/jamaneurol.2024.0890
%X A 24-year-old man presented with progressive gait instability, marked spinal cord atrophy, and dental radiography showing the absence of several elements, microdontia, and taurodontia. What is your diagnosis?