What are uterine growths?
Uterine growths are tissue enlargements of the female womb (uterus). Uterine growths can be caused by either harmless or dangerous conditions. Growths are sometimes referred to medically as masses or tumors. An example of a harmless (benign or non-cancerous) growth, which does not pose a threat, is a polyp of the cervix. Some growths, such as uterine fibroids, are benign, but they can still cause some annoying problems, such as bleeding. Other dangerous growths of the uterus include cancerous (malignant) tumors.
While the majority of uterine growths are benign, cancers of the uterus do occur. This article will discuss the benign conditions that cause uterine growths or masses. Benign growths, or non-cancerous, growths include uterine fibroids, adenomyosis, and uterine polyps.
AnatomyThe uterus (or womb) is a hollow, pear-shaped organ that is located in a woman's pelvix between the bladder and the rectum. The narrow, lower portion of the uterus is the cervix; the broader, upper part is known as the corpus. The cervix forms the transition between the uterus and the vagina. The vagina, or birth canal, connects the uterus to the outside of the body.
Female Illustration of Female Reproductive System
What are uterine fibroids?
Uterine fibroids are benign masses that grow in the uterus for unclear reasons. Uterine fibroids are commonly called by the shorter name, "fibroids." The medical term for a fibroid is leiomyoma, which refers to a proliferation or abnormal growth of smooth muscle tissue. Uterine fibroids arise from the tissue in the muscle layer of the wall of the uterus, called the myometrium. They are not usually cancerous.
The reason why some women develop fibroids is not yet understood. Family history may play a role, since there is often a history of fibroids developing in women of the same family. For poorly understood reasons, fibroids are more common in African American women (who have a two to three fold increased risk) than in white Americans or Asian women. Fibroids are most common between the ages of 35 to 49. In addition, women who are overweight have an increased risk of fibroids. Most women with fibroids probably go through life not even knowing they have them, because fibroids are often found incidentally during diagnostic or therapeutic procedures.
What are the symptoms of uterine fibroids and what do they look like?
Most women with uterine fibroids have no symptoms. However, fibroids can cause a number of symptoms depending on their size, location within the uterus, and how close they are to adjacent pelvic organs. Large fibroids can cause:
Abnormal uterine bleeding is the most common symptom of a fibroid. If the tumors are near the uterine lining, or interfere with the blood flow to the lining, they can cause heavy periods, painful periods, prolonged periods or spotting between menses. Uterine fibroids that are deteriorating can sometimes cause severe, localized pain.
Picture of Uterine Fibroids
If uterine fibroids are benign, why are they the reason for so many hysterectomies (surgeries performed to remove the uterus)?The main answer is that uterine fibroids can cause bleeding. This bleeding can sometimes be significant and lead to anemia. Fibroids can also lead to complications as discussed in the next section. Fortunately, there are also many non-surgical means available to treat fibroids.
How are uterine fibroids diagnosed?
Fibroids are diagnosed by performing a manual pelvic examination (bimanual examination) and confirmed by ultrasound. Ultrasound is harmless and does not involve radiation exposure. This test is similar to the one performed in pregnant women to view the developing fetus inside the uterus. Rarely, more complex imaging is used, but only in cases wherein the doctor cannot determine the exact nature of the mass found on the physical exam or ultrasound.
What is the treatment for uterine fibroids?
Reasons for surgical removal of uterine fibroidsSome of the reasons for surgical removal of uterine fibroids include:
Surgery for uterine fibroids
There are three major categories of surgery for fibroids.
It might seem very appealing to a woman to just have the uterus removed, however, as with any surgery, complications can include a risk (though extremely low) of dying or having complications from the general anesthesia. There are also risks of bleeding and infection, although these risks are fairly low. However, a hysterectomy is actually a more significant procedure than many women realize in that it does require substantial recovery time.
Other medical treatment for uterine fibroids
It is important to remember that fibroids only require treatment if they cause bleeding or pain. There are several medical treatments available for fibroids. Birth control pills (oral contraceptives) can provide many benefits for women with fibroids. They decrease the amount of uterine bleeding by about 50% and decrease cramping pain during menstruation. They also may also decrease the risk of fibroids.
Other medical treatments include the use of drugs that turn off the production of estrogen from the ovaries (GnRH analogs). These medications are given for three to six months. When successful, they can shrink the fibroids by as much as 50%.
Mifepristone (RU-486) is an antiprogestin drug that can shrink fibroids to an extent comparable to treatment with the GnRH analogs. This drug, sometimes known as the "morning-after pill," is also used to terminate early pregnancy. Treatment with mifepristone also reduces the bleeding associated with fibroids, but this treatment can be associated with adverse side effects such as overgrowth (hyperplasia) of the endometrium (uterine lining).
Danazol (Danocrine) is an androgenic steroid hormone that has been used to reduce bleeding in women with fibroids, since this drug causes menstruation to cease. However, danazol does not appear to shrink the size of fibroids.
Letrozole (Femara), an aromatase inhibitor blocks the conversion of testosterone to estrogen and is used to treat some women with breast cancer. Preliminary studies have shown a potential role for aromatase inhibitors in the management of fibroids, but more research is needed.
Learn more about: danazol
The administration of raloxifene (Evista) (a drug used to prevent and treat osteoporosis in postmenopausal women) has been shown to decrease the size of fibroids in postmenopausal women, but results with this therapy in premenopausal women have been conflicting.
What are the complications of uterine fibroids?
Fibroids themselves do not require treatment, but women with fibroids can develop complications as a result of fibroids, including bleeding and pelvic pain (as discussed previously). It is because of symptoms that doctors may suggest treatment for a fibroid. Only 20% to 50% of women with fibroids have symptoms due to the condition, primarily bleeding or pelvic pressure.
In addition to bleeding and pelvic pressure, fibroids can cause recurrent miscarriage, infertility, premature labor, and labor complications. However, a substantial majority of women with fibroids are able to have successful pregnancies unless the uterine cavity is unusually distorted.
Learn more about: Evista
What is adenomyosis?
Adenomyosis is the growth of uterine tissue from one particular layer of the uterus (the endometrial glands from the lining tissue of the uterus) into the "wrong" layer (the muscle layer, called the myometrium). It is a benign condition, but it can enlarge the uterus, clinically appearing as a growth. Adenomyosis is similar to endometriosis, which is the growth of cells similar to those that form the inside of the uterus (endometrial cells), in a location outside of the uterus. In adenomyosis, the abnormal growth of endometrial cells occurs within the muscular layer of the uterus itself rather than outside the uterus.
The cause of adenomyosis is not well understood. Some researchers believe that previous surgeries on the uterus (including Cesarean births) can cause the endometrial (uterine lining) cells to spread and grow in an abnormal location (the muscular layer of the uterine wall). Another possibility is that adenomyosis arises from tissues in the uterine wall itself that may have been deposited there during development of the uterus.
Adenomyosis is more common after childbirth.
What are the symptoms of adenomyosis and what does it look like?
Adenomyosis may not produce any symptoms, although some women may experience:
How is adenomyosis diagnosed?
The true diagnosis of adenomyosis is only possible with actual microscopic examination of uterine tissue. This means that it is ultimately diagnosed after hysterectomy. Sometimes the results of a physical examination and/or ultrasound examination may suggest the presence of adenomyosis.
How is adenomyosis treated?
Pain medications are used to relieve the cramping pain of adenomyosis. Currently, the only effective treatment for adenomyosis is a hysterectomy, meaning removal of the uterus. This requires a recovery period and carries the risk of surgery and anesthesia, as described previously. The decision as to whether or not to have a hysterectomy depends on the severity of the symptoms and the overall health of the patient. Controlling the menstrual cycle through hormonal contraception (the pill) or use of other hormones may provide some symptom relief.
What are uterine polyps?
Polyps of the uterus are benign overgrowths, or bulges, of the normal tissue lining the uterus into the uterine cavity. Polyps may also be found in the uterine cervix. Polyps are usually attached to the underlying tissue by a base or stalk, and they vary in size. Polyps only rarely contain cancerous cells. They are most common in women in their 40's and are rare in women under 20 years of age.
What are the symptoms of uterine polyps and what do they look like?
Uterine polyps may not produce any symptoms. However, some women may experience:
Picture of Uterine Polyps
What are the symptoms of uterine fibroids and what do they look like?
Most women with uterine fibroids have no symptoms. However, fibroids can cause a number of symptoms depending on their size, location within the uterus, and how close they are to adjacent pelvic organs. Large fibroids can cause:
Abnormal uterine bleeding is the most common symptom of a fibroid. If the tumors are near the uterine lining, or interfere with the blood flow to the lining, they can cause heavy periods, painful periods, prolonged periods or spotting between menses. Uterine fibroids that are deteriorating can sometimes cause severe, localized pain.
Picture of Uterine Fibroids
If uterine fibroids are benign, why are they the reason for so many hysterectomies (surgeries performed to remove the uterus)?The main answer is that uterine fibroids can cause bleeding. This bleeding can sometimes be significant and lead to anemia. Fibroids can also lead to complications as discussed in the next section. Fortunately, there are also many non-surgical means available to treat fibroids.
How are uterine fibroids diagnosed?
Fibroids are diagnosed by performing a manual pelvic examination (bimanual examination) and confirmed by ultrasound. Ultrasound is harmless and does not involve radiation exposure. This test is similar to the one performed in pregnant women to view the developing fetus inside the uterus. Rarely, more complex imaging is used, but only in cases wherein the doctor cannot determine the exact nature of the mass found on the physical exam or ultrasound.
What is the treatment for uterine fibroids?
Reasons for surgical removal of uterine fibroidsSome of the reasons for surgical removal of uterine fibroids include:
Surgery for uterine fibroids
There are three major categories of surgery for fibroids.
It might seem very appealing to a woman to just have the uterus removed, however, as with any surgery, complications can include a risk (though extremely low) of dying or having complications from the general anesthesia. There are also risks of bleeding and infection, although these risks are fairly low. However, a hysterectomy is actually a more significant procedure than many women realize in that it does require substantial recovery time.
Other medical treatment for uterine fibroids
It is important to remember that fibroids only require treatment if they cause bleeding or pain. There are several medical treatments available for fibroids. Birth control pills (oral contraceptives) can provide many benefits for women with fibroids. They decrease the amount of uterine bleeding by about 50% and decrease cramping pain during menstruation. They also may also decrease the risk of fibroids.
Other medical treatments include the use of drugs that turn off the production of estrogen from the ovaries (GnRH analogs). These medications are given for three to six months. When successful, they can shrink the fibroids by as much as 50%.
Mifepristone (RU-486) is an antiprogestin drug that can shrink fibroids to an extent comparable to treatment with the GnRH analogs. This drug, sometimes known as the "morning-after pill," is also used to terminate early pregnancy. Treatment with mifepristone also reduces the bleeding associated with fibroids, but this treatment can be associated with adverse side effects such as overgrowth (hyperplasia) of the endometrium (uterine lining).
Danazol (Danocrine) is an androgenic steroid hormone that has been used to reduce bleeding in women with fibroids, since this drug causes menstruation to cease. However, danazol does not appear to shrink the size of fibroids.
Letrozole (Femara), an aromatase inhibitor blocks the conversion of testosterone to estrogen and is used to treat some women with breast cancer. Preliminary studies have shown a potential role for aromatase inhibitors in the management of fibroids, but more research is needed.
Learn more about: danazol
The administration of raloxifene (Evista) (a drug used to prevent and treat osteoporosis in postmenopausal women) has been shown to decrease the size of fibroids in postmenopausal women, but results with this therapy in premenopausal women have been conflicting.
What are the complications of uterine fibroids?
Fibroids themselves do not require treatment, but women with fibroids can develop complications as a result of fibroids, including bleeding and pelvic pain (as discussed previously). It is because of symptoms that doctors may suggest treatment for a fibroid. Only 20% to 50% of women with fibroids have symptoms due to the condition, primarily bleeding or pelvic pressure.
In addition to bleeding and pelvic pressure, fibroids can cause recurrent miscarriage, infertility, premature labor, and labor complications. However, a substantial majority of women with fibroids are able to have successful pregnancies unless the uterine cavity is unusually distorted.
Learn more about: Evista
What is adenomyosis?
Adenomyosis is the growth of uterine tissue from one particular layer of the uterus (the endometrial glands from the lining tissue of the uterus) into the "wrong" layer (the muscle layer, called the myometrium). It is a benign condition, but it can enlarge the uterus, clinically appearing as a growth. Adenomyosis is similar to endometriosis, which is the growth of cells similar to those that form the inside of the uterus (endometrial cells), in a location outside of the uterus. In adenomyosis, the abnormal growth of endometrial cells occurs within the muscular layer of the uterus itself rather than outside the uterus.
The cause of adenomyosis is not well understood. Some researchers believe that previous surgeries on the uterus (including Cesarean births) can cause the endometrial (uterine lining) cells to spread and grow in an abnormal location (the muscular layer of the uterine wall). Another possibility is that adenomyosis arises from tissues in the uterine wall itself that may have been deposited there during development of the uterus.
Adenomyosis is more common after childbirth.
What are the symptoms of adenomyosis and what does it look like?
Adenomyosis may not produce any symptoms, although some women may experience:
How is adenomyosis diagnosed?
The true diagnosis of adenomyosis is only possible with actual microscopic examination of uterine tissue. This means that it is ultimately diagnosed after hysterectomy. Sometimes the results of a physical examination and/or ultrasound examination may suggest the presence of adenomyosis.
How is adenomyosis treated?
Pain medications are used to relieve the cramping pain of adenomyosis. Currently, the only effective treatment for adenomyosis is a hysterectomy, meaning removal of the uterus. This requires a recovery period and carries the risk of surgery and anesthesia, as described previously. The decision as to whether or not to have a hysterectomy depends on the severity of the symptoms and the overall health of the patient. Controlling the menstrual cycle through hormonal contraception (the pill) or use of other hormones may provide some symptom relief.
What are uterine polyps?
Polyps of the uterus are benign overgrowths, or bulges, of the normal tissue lining the uterus into the uterine cavity. Polyps may also be found in the uterine cervix. Polyps are usually attached to the underlying tissue by a base or stalk, and they vary in size. Polyps only rarely contain cancerous cells. They are most common in women in their 40's and are rare in women under 20 years of age.
What are the symptoms of uterine polyps and what do they look like?
Uterine polyps may not produce any symptoms. However, some women may experience:
Picture of Uterine Polyps
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Source: http://www.rxlist.com
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