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Colloid Cyst
The most common tumor located within the third ventricle is
the colloid cyst. This benign tumor can cause a blockage of
cerebrospinal fluid (CSF) leading toward increased intracranial
pressure and potentially death. The definitive method for
treating colloid cysts is surgical removal. Prior to the advent
of endoscopic neurosurgery, the removal of colloid cysts relied
on an extensive open surgical procedure achieved by way of
a craniotomy, an open procedure which requires removal of
a portion of the skull. Because of the deep and central location
of these benign tumors the standard surgical procedures are
usually lengthy and have significant risk. Highly refined
endoscopes with a wide array of compatible instruments allow
complete removal of colloid cysts through a much less invasive
technique in a fraction of the time.
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