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Radiation therapy
Source: Gestational Trophoblastic Disease Treatment (PDQ®)–Patient Version, National Cancer Institute.
Source updated: February 25, 2022 · Captured 2026-09-09.
Selected source text with whitespace normalised. This Triangle page is not an NCI PDQ summary. Independent clinical review is pending.
Context: Treatment Option Overview / Three types of standard treatment are used:
Radiation therapy is a cancer treatment that uses high-energy x-rays or other types of radiation to kill cancer cells or keep them from growing. There are two types of radiation therapy:
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External radiation therapy uses a machine outside the body to send radiation toward the cancer.
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Internal radiation therapy uses a radioactive substance sealed in needles, seeds, wires, or catheters that are placed directly into or near the cancer.
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The way the radiation therapy is given depends on the type of gestational trophoblastic disease being treated. External radiation therapy is used to treat gestational trophoblastic disease.
Preserved source evidence · Independent clinical review pending · Not medical advice