DefinitionA nabothian cyst is a mucus-filled lump on the surface of the cervix.Causes, incidence, and risk factorsThe cervix is lined with glands and cells that release mucus. The glands can become covered by a type of skin cells called squamous epithelium. When this happens, the secretions build up in the plugged glands. They form a smooth, rounded bump on the cervix. The bump is called a nabothian cyst.SymptomsEach nabothian cyst appears as a small, white raised bump. There can be more than one.Signs and testsDuring a pelvic exam, the doctor will see a small, smooth, rounded lump (or collection of lumps) on the surface of the cervix. Rarely, a colposcopy is necessary to distinguish nabothian cysts from other bumps and sores that can occur on the cervix.Sometimes the cyst is opened to con