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Web End = Acta Neurochir (2015) 157:14891491 DOI 10.1007/s00701-015-2508-3
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Web End = LETTER TO THE EDITOR - VASCULAR
Hemorrhage in cavum septum pellucidum et vergae: it does exist!
Mandeep S. Ghuman1 & Vivek Gupta1 & Ajay Kumar1 & M. K. Tiwari2 & N. Khandelwal1
Received: 20 March 2015 /Accepted: 13 July 2015 /Published online: 26 July 2015 # Springer-Verlag Wien 2015
Dear Sir,Cavum septum pellucidum (CSP) is a fluid-filled, midline cavity bounded by thin leaves of septum pellucidum, confined between the third ventricle and corpus callosum [3, 6]. Posterior extension of the cavum septi pellucidum is called cavum vergae (CV), which communicates with it but lies posterior to the columns of the fornix [6]. CSP and CV start involuting in late pregnancy and early postnatal life but can persist into adult life. The prevalence of CSP has been reported to be 0.14 to18.9 % in adults, whereas CV is more rare (0.134 %) [3]. Now it is well known that these are not primarily part of the ventricular system, are neither lined by ependymal cells, nor contain choroid plexus and under normal physiological conditions, these do not communicate with the lateral ventricles [3]. We discuss an interesting finding of hemorrhage forming cerebrospinal fluid (CSF)-hemorrhage level in the CSP and CV in a case of ruptured aneurysm.
A 70-year-old lady, presented with sudden attack of excruciating headache associated with vomiting and altered sensorium. Magnetic resonance imaging (MRI) revealed hematoma in the anterior interhemispheric fissure and intraventricular hemorrhage (IVH) with suggestion of aneurysm in the anterior cerebral artery (ACA) on MR angiography. An unusual finding was noted in the form of distinct CSF-hemorrhage level in the prominent cavum septum pellucidum et vergae...