Medically reviewed by Casey Gallagher, MD A cyst is a sac of tissue containing fluid or air that can form in many areas of ...

Unfortunately, pilonidal cysts can come back after surgery. Within five years of a procedure, recurrence rates ranged from 13.8 percent to 32 percent, depending on the type of surgical removal.

Before cyst removal, a person receives a local anesthetic ... A pilar cyst is less likely to grow back if a doctor removes it entirely rather than draining it. However, a person cannot fully ...