Cysts and tumors are both types of lumps commonly found in the body. While they can be similar in appearance, you can tell apart with a few key characteristics. Cysts are typically benign and are ...

I believe it's the rarest cyst in the world; it's one in three million, and it's super rare," Knigge said. A colloid cyst is a benign tumor that grows in the brain. It is filled with a thick fluid ...