What is Cavum Vergae cyst?
Cavum vergae cysts (CVC) are cerebral midline malformations, which usually have no clinical manifestations. In rare cases, however, non-communicating cysts can cause hydrocephalus by obstruction of the aqueduct.
What is persistent Cavum Vergae?
The cavum vergae (CV), along with the cavum septum pellucidum (CSP) that lies immediately anterior to it, is a persistence of the embryological fluid-filled space between the leaflets of the septum pellucidum and is a common anatomical variant.
What is the function of the cavum septum pellucidum?
This is an important normal structure to identify in the sonographic assessment of the fetal brain. In post-natal life, the laminae of the septum pellucidum usually fuse, which obliterates the cavum. The cavity contains cerebrospinal fluid (CSF) that filters from the ventricles through the septal laminae.
What is cavum veli interpositi cyst?
A cavum veli interpositi (CVI) is a normal variation where there is a dilated CSF space involving the velum interpositum. When larger than 1 cm in axial transverse measurement, with outwardly bowed margins and positive mass effect, the term cyst of the velum interpositum or cavum veli interpositi cyst should be used.
What is the anatomy of the cavum Vergae?
Gross anatomy. The cavum vergae is the posterior extension of the cavum septum pellucidum, posterior to the anterior columns of the fornix, lying anterior to the splenium of the corpus callosum, but it may exist independently 1-3.
What are the signs and symptoms of a cavum Vergae cyst?
In either case, presentation is with signs and symptoms of raised intracranial pressure (morning headaches, worse on stooping etc..) Ultrasound (in the neonatal or antenatal period), CT and MRI are all able to demonstrate cavum vergae cysts.
Where is the cavum velum interpositum located?
The cavum velum interpositum (*) is a triangular space in axial section located below the fornices (green) and above the internal cerebral veins (blue) and thus also above the pineal gland (yellow). 2 case question available
