- •Microcephaly was never systematically studied as part of the GLUT1DS phenotype.
- •Among 54 patients with GLUT1DS, the head circumference (HC) was < −2 SD in 6.5%.
- •Deceleration of head growth and HC < −3 SD were not encountered in this cohort.
- •Interestingly, 75.9% of the patients with GLUT1DS had a HC below 0 SD.
Abbreviations:CSF (cerebrospinal fluid), GLUT1DS (glucose transporter 1 deficiency syndrome), SD (standard deviation)
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