Dear Dr. Roach: I just read the column on exophytic cyst. The writer, B.W., has had this condition for eight years and is asking what the condition is. Your answer was fine, but it missed an important ...

A cyst is a small pocket of tissue often filled with fluid or pus. It can occur due to an injury, infection, or other issues. They’re usually benign but may need treatment for complications. A cyst is ...