What are the types of fibroids?

April 30, 2010


Fibroids are classified by their location (see figure), 


Submucous myomas are partially in the cavity and partially in the wall of the uterus. They can cause heavy menstrual periods (menorrhagia), well as bleeding between periods and often cause severe cramping. Only about 5% of fibroids are submucous. 

Intramural myomas are in the wall of the uterus, and can range in size from microscope to larger than a grapefruit. Many of these do not cause problems unless they become quite large. They are the most common fibroids 

Subserous myomas are on the outer wall of the uterus, and may even be connected to the uterus by a stalk (pedunculated myoma.) These do not need treatment unless they grow large, but those with a stalk can twist and cause pain These are the second most common fibroids. 

Fibroids can also grow in the cervix and in broadligament (intraligamentary