Dilation and Curettage (D&C)
Dilation and Curettage (D&C) Introduction
The dilation and curettage procedure (D&C) involves dilating the uterine cervix so that the lining tissue (endometrium) of the uterus can be removed by scraping or suction.
The D&C is a safe procedure that is done for a variety of reasons. It is minor surgery performed in a hospital or ambulatory surgery center or clinic. D&C is usually a diagnostic procedure and seldom is therapeutic.
A D&C is often done as an adjunct procedure to a
hysteroscopy and/or polypectomy. In addition, a D&C is often used for the following conditions:
1) Irregular or excessive bleeding:
Irregular bleeding includes spotting or bleeding between periods. Bleeding with long, heavy periods, or bleeding after menopause, can signal a number of problems. A D&C allows removal of the uterine lining and examination of the tissue under a microscope by a pathologist. This can help establish the cause of the abnormal bleeding.
The causes of irregular or abnormal bleeding include:
- Fibroids and polyps: These conditions are very common. In fact, they are thought to occur in about 20% of all women.
Fibroid tumors are noncancerous growths appearing in and on the uterus. Some even grow out from the uterine wall on a stalk. Fibroids can cause
chronic pain and heavy bleeding. Polyps, like fibroids, are noncancerous growths and are a common cause of irregular bleeding. Polyps and fibroids can have symptoms that resemble other more serious causes of bleeding.
- Endometrial cancer: A D&C and hysteroscopy are often performed to make certain patient's symptoms are not caused by
uterine cancer or precancerous changes. It is, of course, important to detect cancer in its earliest, most curable stages.
2) Therapeutic D&C: A D&C is often planned as treatment when the source of the problem is already known. One situation is an incomplete miscarriage or even full-term delivery when, for some reason, the fetal or placental tissue inside of the uterus has not been completely expelled. If tissue is left behind, excess bleeding can result, perhaps even life-threatening bleeding.
Your health care professional will avoid D&C in the following situations, except when absolutely necessary:
- Pelvic infection: If you have an infection involving the reproductive organs, there is a chance the surgical instruments that will enter the vagina and cervix can carry the bacteria from your vagina or cervix into your uterus. There is also an increased risk of injury to infected tissue. For these reasons,
the doctor may prefer to wait until after the infection is cleared up with
antibiotics before performing the D&C.
- Blood clotting disorders: Doctors depend on the body's natural ability to clot to stop bleeding after curettage. Women with certain blood disorders are usually not given this surgery.
- Serious medical problems: Heart and lung disease, for example, can make general, and sometimes local, anesthesia more risky.
In fact, D&C is no longer performed as commonly as it was even a decade ago, thanks to advances in diagnosis (for
ultrasound and hysteroscopy) and nonsurgical hormonal (for
example, oral contraceptives) and antihormonal therapies.
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