Watch the removal of hydatid cysts from the brain live from the operation theatre! Echinococcus is a parasitic infection which leads to the development of cysts in virtually any organ- the liver, kidneys, lungs, pancreas, brain. In each case, the principles of resection are similar. Extreme caution is taken to prevent any spillage of contents as this may provoke a life threatening anaphylactic reaction. Hydatid cysts in the brain often present with signs and symptoms attributed to raised intracranial pressure.