Pineal cyst

What it means

A glial uniloculated or multiloculated fluid-filled sac that either reside within or completely replace the pineal gland.

Pineal cysts are benign and often asymptomatic lesions. They are typically visualized by computed tomography or magnetic resonance imaging.

Rare diseases that can present with this3

The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.

Part of the broader category