Choriocarcinoma

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Choriocarcinoma is a quick-growing form of cancer that occurs in a woman's uterus (womb). The abnormal cells start in the tissue that would normally become the placenta, the organ that develops during pregnancy to feed the fetus.

Choriocarcinoma is a type of gestational trophoblastic disease.

See also:

• Gestational trophoblastic disease
• Hydatiform mole

Chorioblastoma; Trophoblastic tumor; Chorioepithelioma; Gestational trophoblastic neoplasia

Choriocarcinoma is an uncommon, but very often curable cancer associated with pregnancy. A baby may or may not develop in these types of pregnancy.

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The cancer may develop after a normal pregnancy; however, it is most often associated with a complete hydatidiform mole. The abnormal tissue from the mole can continue to grow even after it is removed and can turn into cancer. About half of all women with a choriocarcinoma had a hydatidiform mole, or molar pregnancy.

Choriocarcinomas may also occur after an abortion, ectopic pregnancy, or genital tumor.

Review Date: 06/05/2010
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine; Susan Storck, MD, FACOG, Chief, Eastside Department of Obstetrics and Gynecology, Group Health Cooperative of Puget Sound, Redmond, Washington; Clinical Teaching Faculty, Department of Obstetrics and Gynecology, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).