FOR PATIENTS · SOURCE READING
Side effects and late effects of treatment
Source: Childhood Craniopharyngioma (PDQ®)–Patient Version, National Cancer Institute.
Source updated: April 3, 2025 · Captured 2026-09-09.
Selected source text with whitespace normalised. This Triangle page is not an NCI PDQ summary. Independent clinical review is pending.
Cancer treatments used for craniopharyngioma can cause side effects. Which side effects your child might have depends on the type of treatment they receive, the dose, and how their body reacts. Talk with your child's treatment team about which side effects to look for and ways to manage them.
To learn more about side effects that begin during treatment for cancer, visit Side Effects.
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Problems from treatment that begin 6 months or later after treatment and continue for months or years are called late effects. Late effects of treatment may include:
seizures
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bone and muscle growth and development
behavior problems
changes in mood, feelings, thinking, learning, or memory
second cancers (new types of cancer)
Serious physical problems may occur if the pituitary gland, hypothalamus, optic nerves, or carotid artery are affected during surgery or radiation therapy. These problems include:
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obesity
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metabolic syndrome, including fatty liver disease not caused by drinking alcohol
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vision problems, including blindness
blood vessel problems or stroke
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loss of the ability to make certain hormones
Some late effects may be treated or controlled. Your child may need life-long hormone replacement therapy with several medicines. It is important to talk with your child's doctors about the effects treatment can have on your child. Learn more about Late Effects of Treatment for Childhood Cancer.
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Preserved source evidence · Independent clinical review pending · Not medical advice
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