Identical Choroid Plexus Cysts in Monozygotic Monochorionic Twins.

Area of Science:

• Neuroscience
• Genetics
• Developmental Biology

Background:

• Choroid plexus cysts (CPCs) are intraventricular formations within the brain's choroid plexus.
• CPCs are typically benign and often resolve spontaneously during gestation.
• A rare association exists between CPCs and chromosomal abnormalities, necessitating further investigation.

Purpose of the Study:

• To investigate the potential genetic underpinnings of isolated choroid plexus cysts.
• To explore the etiology of CPCs in the context of monozygotic twins.

Main Methods:

• Case study of a monozygotic twin pair presenting with isolated choroid plexus cysts.
• Review of existing literature on choroid plexus cysts and chromosomal abnormalities.

Main Results:

• The study identified isolated choroid plexus cysts in both monozygotic twins.
• No chromosomal abnormalities were detected in the twin pair.
• The concordant presentation of CPCs in genetically identical twins suggests a non-random occurrence.

Conclusions:

• The findings suggest a potential genetically determined pathway contributing to the formation of isolated choroid plexus cysts.
• This case highlights the importance of considering genetic factors in the etiology of CPCs, even in the absence of overt chromosomal anomalies.