Abstract:

: Miller–Dieker syndrome (MDS) is a rare genetic disorder characterized by congenital lissencephaly (absent or diminished cerebral gyri), facial dysmorphisms, neurodevelopmental retardation, intrauterine fetal demise, and death in early infancy or childhood. We present a case of a 4-year-old girl with MDS (17p13.3p13.2 deletion) who was admitted to the hospital due to fever and increased secretions from her nose, mouth, and tracheostomy tube (as she had been on a ventilator and G-tube dependent since birth). During the course of hospitalization, she developed multiorgan failure, third spacing, and significant lactic acidosis. The patient had a cardiorespiratory arrest and expired after 4 months and 8 days of hospitalization. We provide a synopsis of the main autopsy findings, with a focus on the neuropathologic anomalies.

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