What Is Subependymal Cyst?

Sarah Jenkins
Sarah Jenkins
• • 7 min read

Subependymal Pseudocysts Are Cerebral Cysts Found in 5% of All Neonates. When They Are Isolated and Typical, They Result from Persistence of the Germinal...

What Is Subependymal Cyst?

Subependymal pseudocysts are cerebral cysts found in 5% of all neonates. When they are isolated and typical, they result from persistence of the germinal matrix

germinal matrix
In anatomy, the germinal matrix is a highly cellular and highly vascularized region in the brain out from which cells migrate during brain development. The germinal matrix is the source of both neurons and glial cells and is most active between 8 and 28 weeks gestation.
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, have a good prog- nosis and regress spontaneously within a few months.

What is Germinolytic cyst?

Cystic spaces with a similar appearance may also arise from prenatal lysis of fetal periventricular matrix tissue, rather than immature white matter. The resultant empty spaces are called "pseudocysts" or germinolytic cysts.

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What is a periventricular cyst?

Connatal cysts are considered normal anatomical variants that involve the walls of the lateral ventricles and lie at or just below the superolateral aspect of the frontal horns or body of the lateral ventricles, anterior to the foramen of Monro.

Sarah Jenkins

Sarah Jenkins

Senior Technology Editor & AI Specialist
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Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.