A newborn has a CT scan of the brain to identify a cause of seizures.The scan showed no convolutions (gyri)of the cerebral cortex.She has
A)lissencephaly.
B)anencephaly.
C)spina bifida.
D)leakage of cerebrospinal fluiD.

Question

Quizplus · Accepted Answer

The absence of convolutions (gyri) in the cerebral cortex is a characteristic finding in lissencephaly, a rare brain malformation where the brain lacks the normal convolutions and appears smooth. This condition typically results in severe developmental delay, intellectual disability, and seizures. Anencephaly is a severe neural tube defect where the brain and skull do not form properly, while spina bifida is a spinal cord defect. Leakage of cerebrospinal fluid can occur due to various causes but is unlikely to be related to the absence of gyri.

A Newborn Has a CT Scan of the Brain to Identify