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Parkinson's Disease

What is a septum cavum pellucidum?

09/08/1999

Question:

My son has bi-lateral retinoblastoma and during a routine MRI of the brain/orbits a "septum cavum pelludicum" was noted. Please tell me what this is.

Answer:

Cavum septum pellucidum is an anatomic variant in which a brain structure, the septum pellucidum, has a division within it. It is fairly commonly seen on MRI scans and is generally not of any clinical significance.

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Response by:

Arif Dalvi, MD
Assistant Professor
College of Medicine
University of Cincinnati