Fibroid Tumors in the Breast & Uterus- Types of Fibroid Tumors

Fibroid tumors are noncancerous tumors that grow in the uterus, and they grow during a woman’s reproductive years. Fibroid tumors are not likely to develop in a woman after menopause. This is because these tumors’ growth is dependent on estrogen secretions. Similarly, teenage girls – or those who have not yet had their first menstrual period – are not likely to suffer from fibroid tumors.


Fibroid tumors are dense structures that can be round or semi-round. The size may vary, depending on the estrogen secretions. Fibroid tumors not only grow in the uterus but can also grow in the breast region.

Fibroid tumors in the breast:

Fibroid tumors can also affect the breast region and this condition is known as fibroadenoma. Fibroid tumors in the breast are often diagnosed with simple palpation. You can feel the tumor as a lump in this region. This lump can also be moved within the breast. Normally, fibroid tumors in breasts are not harmful and they may also exhibit symptoms similar to fibroid tumors in the uterus. The size of this fibroid tumor varies, depending on the amount of estrogen secreted. Increases in estrogen levels can increase the size of fibroid tumors, and when estrogen levels dip, the tumor sizes also decrease. Breast fibroid tumors are rarely treated immediately with any medication or other products; instead, they are observed first and their symptoms monitored.

Fibroid tumors in the uterus:

Fibroid tumors in the uterus are considered common occurrences in most women, and in African-American women especially. Uterine fibroid tumors are harmless until they produce some disturbing symptoms. Fibroid tumors are grouped according to several classification criteria. This classification below is based on the position of the fibroid within the uterus.

Types of fibroid tumors:

Intramural fibroids:

Intramural fibroids are noncancerous tumors that are found within the uterine walls, and they expand from there. This fibroid location will give you a feeling of fullness, and women with extremely large fibroid tumors – some even grow to the size of a grapefruit or larger – may be mistakenly thought to be pregnant. Symptoms for this type of fibroid include heavy menstrual flow, severe pain in the back and pelvic regions, and frequent urination and pressure.

Subserosal fibroids:

This type of fibroid is found at the outer portion of the uterus and it keeps growing outwards. This type of the fibroid may cause pain in the pelvis and the lower abdomen.

Submucosal fibroids:

This uterine fibroid develops just below the uterine cavity and it is not a common condition. The symptom of this type of fibroid is very long menstrual periods.

Pedunculated fibroids:

This type of the fibroid often grows on a stalk within the uterus or even outside the uterus. There is no restriction on the number of fibroids that can grow in a woman’s uterus. Any number of fibroids can be found during your pregnancy, and sometimes, their position, size, or number may cause complications or may even influence the position of the fetus inside the womb. It is thus better to first have your fibroids treated before you plan a pregnancy.

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