The patient began experiencing muscle weakness and tiredness around 9 years old. He was found to have problems with coordination (ataxia), drooping eyelids (ptosis), and rapid, uncontrolled eye movements (nystagmus). A brain MRI showed moderate atrophy of his cerebellum. His symptoms have progressed quickly and he now requires the use … read more
During the first few months of life, the patient was noticed to have slow growth and developmental delay. He was not visually tracking, focusing on faces, or responding to some sounds. At 8 months, he was found to have cataracts in both eyes and was diagnosed with infantile spasms. A … read more
The participant’s mother had an uncomplicated pregnancy with normal labor and delivery. He met all of his developmental benchmarks until he was 24 months, at which he began to plateau. At 26 months, the participant’s motor and speech skills began to regress, and he began to be less social. The … read more
