I have a cyst in the third ventrical showed up on cat scan not on mri they werent shure it might even be a tumor what follow up procedures besides aditional mri at a later day is there needed i was told i dont have to see my neurologist anymore by him and her ordere the mri without a follow up appointment I have severe neck problems he forcefully pushed my neck forward to reach my chin to my chest after i told him i could not do that was that procedure even necessary for a cyst/ tumor in my middle of the brain
If this is a cyst/tumor in 3rd ventricle, it can cause obstruction in CSF for from lateral ventricles down to fourth ventricle and can lead to HY Chat Doctor.  Option available are 1) open surgery by neurosurgeon2) Endoscopic third ventriculostomy3) Gamma knife surgery Right procedure will be determined based on patient condition, other morbidity and surgeons expertise. So consult your surgeon ASAP.