Cysts found in the brain and spinal cord may contain cerebrospinal fluid, blood, tissue or tumour cells. In adults they are most often found at the lower back part of the brain. Dermoid cysts are usually. It is unusual for pineal cysts to cause signs or symptoms and the cyst usually doesn't grow very large. When they do grow. Causes of Cyst on Eyeball and Its Effective Treatment; Causes of…