Hi. I have a colloid cyst and am typically symptom-free. Lately I have been experiencing increased vertigo, as well as extreme tiredness - like wanting to fall asleep while driving, and while working. Is this possibly related to the cyst? At first diagnosis it was 7mm. First follow-up it grew 17% and showed signs of hemorrhaging. Still, I was symptom-free at that time. Second follow-up it had shrunk to 6mm. My next MRI is supposed to be in April. It is ok to wait, or should I call and move it up to get it checked out sooner?