Retrorectal cystic hamartoma (hindgut cyst) is a rare developmental lesion arising from the vestiges of the embryonic hind gut. Other developmental cysts can occur in retrorectal space. Anal gland ...

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 ...

Doctors can drain a ganglion cyst with a needle and syringe. They can also surgically remove the cyst. Although surgery lowers the chance that the cyst will return, it can cause lasting pain and ...