Colloid Cyst

Colloid cysts are fluid-filled sacs that typically form in your brain’s third ventricle (a fluid-containing space). Although they’re not cancerous tumors and they grow slowly, they can block the flow of cerebrospinal fluid (CSF). This causes fluid to build up in your brain. If not treated, colloid cysts can be life-threatening.

Overview

Symptoms

Some colloid cysts don’t cause any symptoms. Others do cause symptoms, particularly if you’re between 30 and 70 years old.

Colloid cyst symptoms can include:

  • Confusion
  • Loss of consciousness
  • Memory problems
  • Spontaneous falls while walking (also called drop attacks)
  • Headaches

Diagnosis

First, you’ll meet with your doctor for a physical exam. You’ll talk about your symptoms and your doctor may order imaging tests, such as an MRI or a CT scan. After that, your doctor may recommend surgery.

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Treatment Options

Colloid cyst treatments may include the use of BrainPath® technology to reach cysts through a dime-sized narrow channel, or port.

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