Allelic heterogeneity in a patient with postzygotic MTOR‐related hypomelanosis of Ito with neurodevelopmental abnormalities

A case of mosaic MTOR-associated hemimegalencephaly and hypomelanosis of Ito, died at 33 probably because of sudden unexpected death in epilepsy. Assessment of the variant allele fraction (VAF) in different tissues postmortem showed high variability not correlated with clinical features, representing the most detailed assessment of VAFs in different tissues to date. None of the authors has any conflicts of interest to disclose. The peer review history for this article is available at https://www.webofscience.com/api/gateway/wos/peer-review/10.1111/cge.14511. Data sharing not applicable to this article as no datasets were generated or analysed during the current study.