Childhood choroid plexus cancer is a rare brain tumor that starts in the fluid‑making tissue of the brain. It can cause headaches, vomiting, fussiness, or vision changes from pressure build‑up, and seizures may occur. Most cases are diagnosed in babies and young children, and the course can be fast without treatment. Treatment often includes surgery to remove the tumor, with chemotherapy and sometimes radiation, and care teams manage swelling and symptoms. Survival varies by tumor type and how much can be removed, but many children do well with prompt, expert care.
Overview
Childhood choroid plexus cancerSymptoms
Early symptoms of childhood choroid plexus cancer often reflect raised pressure in the skull: morning headaches, nausea/vomiting, and sleepiness. Babies may have a rapidly growing head, bulging soft spot, poor feeding. Older children can develop balance problems, vision changes, irritability.
Outlook and prognosis
Most children with childhood choroid plexus cancer do well when the tumor is removed and treated early, especially if it hasn’t spread. Outcomes vary by tumor type and grade, response to therapy, and age. Long‑term follow‑up supports learning, hearing, growth, and emotional health.
Causes and risk factors
Childhood choroid plexus cancer usually stems from random DNA changes; most cases aren’t inherited. A small share occurs with germline TP53 variants (Li-Fraumeni syndrome) or strong family cancer history. Younger age and prior radiation exposure may raise risk.
Genetic influences
Genetics play a major role in childhood choroid plexus cancer. Inherited variants, especially TP53 changes seen in Li-Fraumeni syndrome, can raise risk, and tumor testing often finds additional mutations. Genetic counseling and testing help guide screening and treatment.
Diagnosis
The diagnosis of childhood choroid plexus cancer relies on brain MRI to find a mass, then surgical biopsy or removal to confirm it under the microscope. Doctors may add spine MRI and cerebrospinal fluid tests to assess spread.
Treatment and drugs
Treatment for childhood choroid plexus cancer usually combines surgery to remove as much tumor as safely possible with chemotherapy; some children also receive carefully planned radiation, depending on age and tumor type. Care teams tailor medicines, doses, and timing to each child. Supportive care manages swelling, seizures, nausea, and fluid buildup to keep daily life steadier.
Symptoms
Childhood choroid plexus cancer often causes problems because it blocks or overproduces the fluid that cushions the brain, which raises pressure inside the head. You might notice small changes at first—morning headaches, unexplained vomiting, or a child seeming sleepier than usual. Not every child has the same pattern, and signs can shift over weeks to months. Knowing the early symptoms of childhood choroid plexus cancer can help you seek care sooner.
Headaches that are worse in the morning or wake a child from sleep are common. Lying flat can raise pressure in the head, so pain may ease after sitting up or vomiting. In childhood choroid plexus cancer, this pattern can build gradually.
Vomiting without diarrhea, especially on waking, can be a sign of pressure in the brain. Children may feel better after they throw up, then symptoms return later in the day. This can happen with choroid plexus cancer.
A child may nap more, seem hard to wake, or lose interest in play. Teachers or caregivers might notice fading energy through the day. This can reflect rising pressure inside the head.
Toddlers may be unusually fussy, and older kids can seem off—more cranky, less patient, or withdrawn. Changes in mood or personality can be subtle at first. Loved ones often notice the changes first.
How people usually first notice Childhood choroid plexus cancer?
Many families first notice something is wrong when a child develops repeated morning headaches, vomiting that’s not due to a stomach bug, or unusual sleepiness and irritability. Doctors are often alerted by signs of increased pressure inside the skull, such as a rapidly growing head size in infants, a bulging soft spot, or eyes that seem to look downward (“sunsetting”), and may also notice delays in movement or balance. These early clues prompt brain imaging, which is how the first signs of childhood choroid plexus cancer are typically confirmed.
Types of Childhood choroid plexus cancer
Childhood choroid plexus cancer can look and behave differently depending on the tumor type and how fast it grows. Clinicians often describe them in these categories: papilloma (benign), atypical papilloma (borderline), and carcinoma (malignant). These types influence symptoms such as headache, vomiting, and balance changes because they affect how much cerebrospinal fluid builds up and how quickly pressure rises inside the skull. Not everyone will experience every type, and early symptoms of childhood choroid plexus cancer may be subtle and tied to age, like a growing head size in infants versus morning headaches in older children.
Papilloma (benign)
Tumors grow slowly and often cause symptoms from fluid buildup, like headaches, nausea, or enlarged head size in infants. Seizures or vision changes are less common and usually develop gradually.
Atypical papilloma
Growth is faster than benign papillomas and symptoms may escalate over weeks instead of months. Children may have more frequent vomiting, worsening headaches, and balance problems due to rising pressure.
Carcinoma (malignant)
This is fast-growing and more likely to spread within the brain’s fluid pathways, leading to quicker symptom onset. Signs can include severe headaches, repeated vomiting, drowsiness, and sometimes weakness or trouble walking as pressure and spread increase.
What genetics can tell you about symptoms
Some choroid plexus cancers start when TP53 variants (Li-Fraumeni syndrome) weaken a key tumor‑suppressor “brake,” raising risk in early childhood. This can connect to symptoms like rapidly enlarging head size, irritability, vomiting, or seizures from increased pressure in the brain.
Causes and risk factors
Most cases of childhood choroid plexus cancer have no clear cause.
A strong genetic risk is a TP53 gene change linked with Li-Fraumeni syndrome, and it can be inherited or new.
Having a gene change doesn’t mean you’ll definitely develop the condition.
Known risk factors for childhood choroid plexus cancer include very young age, with many cases in infants and toddlers.
Lifestyle factors have not been shown to raise risk, and prior high-dose head radiation is the main environmental concern.
Environmental and biological risk factors
Childhood choroid plexus cancer develops in the fluid-making tissue inside the brain, and risk is shaped by both the biology of early brain growth and certain outside exposures. Doctors often group risks into internal (biological) and external (environmental). While no single factor explains every case, a few patterns are well recognized. If you’re concerned about early symptoms of childhood choroid plexus cancer, understanding these risks can guide when to seek care.
This tumor type most often appears in babies and young children, when the choroid plexus is growing quickly. Rapid growth means more cell division, which can raise the chance of errors that lead to tumors.
High-dose radiation to the head—for example, medical radiation used to treat another condition—can increase the risk of later brain tumors, including childhood choroid plexus cancer. Risk tends to be higher with larger doses and younger age at exposure. These exposures are uncommon and carefully managed.
Rare high-level exposures from nuclear or industrial accidents can raise lifetime risk of brain tumors. Children are generally more sensitive to radiation than adults. Such events are uncommon, but risk increases with higher absorbed dose.
Genetic risk factors
Many cases of childhood choroid plexus cancer, especially the carcinoma subtype, are tied to inherited changes in a gene called TP53, often within Li-Fraumeni syndrome. Some children have a new TP53 change that appears for the first time in them, without a prior family history. Carrying a genetic change doesn’t guarantee the condition will appear. In practice, genetic risk factors for childhood choroid plexus cancer center on TP53 variants and the family patterns they create.
Li-Fraumeni syndrome: An inherited change in the TP53 gene strongly raises the chance of childhood choroid plexus cancer, particularly the carcinoma form. Families may also see early sarcomas, breast cancer at young ages, or adrenal tumors.
New TP53 change: Some children have a TP53 change that arises at conception even when both parents test negative. This still increases the child’s personal risk.
Founder TP53 variant: In certain groups, such as parts of Brazil, a shared TP53 variant is more common and linked to choroid plexus cancer. This can lead to multiple cases within extended families.
Family history patterns: Clusters of early cancers in close relatives point to an inherited risk like Li-Fraumeni. That kind of pattern suggests a higher genetic susceptibility in the family.
Tumor TP53 clue: When a child’s tumor shows a TP53 change, it can signal an underlying inherited variant. Finding the same change in blood confirms a germline cause linked to higher risk.
Mosaic TP53 variant: Occasionally, the TP53 change is present in only some of the child’s cells (mosaicism). Mosaic changes can still be tied to childhood choroid plexus cancer but may lower risk for unaffected relatives.
Inheritance pattern: A single altered TP53 copy can raise risk, and each child of a carrier has a 50% chance to inherit it. This helps explain strong family clustering of cases.
Lifestyle risk factors
There are no well-established lifestyle risk factors for Childhood choroid plexus cancer, but daily habits can influence how quickly symptoms are recognized and how well treatment is tolerated. Nutrition, sleep, physical activity, and adherence to care plans can affect complications like infection, deconditioning, and treatment delays. The focus is on practical habits that support surgery, chemotherapy, and recovery rather than on causes.
Balanced, high-protein calories help maintain weight, immunity, and wound healing during treatment. Poor intake or weight loss can increase complications and force chemotherapy dose reductions.
Light, clinician-approved movement preserves strength and reduces fatigue during and after therapy. Prolonged inactivity can worsen deconditioning and slow recovery after brain surgery.
Consistent, restorative sleep supports cognition, mood, and pain tolerance during treatment. Poor sleep may worsen headaches and nausea sensitivity in children with intracranial pressure issues.
Hand hygiene and avoiding sick contacts lower infection risk when immunity is suppressed by chemotherapy. Infections can delay treatment and increase hospitalization.
Risk prevention
For childhood choroid plexus cancer, there’s no proven way to stop the tumor from forming, but you can lower risks tied to late diagnosis and unnecessary radiation. Prevention is about lowering risk, not eliminating it completely. Families with a strong history of early cancers may benefit from genetic guidance and tailored screening plans. Paying attention to early symptoms of childhood choroid plexus cancer and using MRI instead of CT when appropriate can support earlier, safer care.
If several relatives had early cancers or a known TP53 change, seek genetic counseling to clarify your child’s risk. Testing can guide which screenings are needed and when.
For children with a TP53 variant or strong family history, doctors may recommend regular check-ups and brain MRI-based screening. Catching changes early can allow treatment before symptoms become severe.
Know the early symptoms of childhood choroid plexus cancer, such as persistent morning headaches, repeated vomiting, unusual sleepiness, or a rapidly growing head in infants. Quick evaluation for these signs can speed diagnosis.
Ask if MRI or ultrasound can replace CT scans, especially for children with a TP53 variant. Reducing ionizing radiation may help lower additional cancer risks over a lifetime.
Transmission
Childhood choroid plexus cancer is not contagious; it cannot be passed from one child to another through touch, air, food, or body fluids. It develops when cells in the brain’s choroid plexus acquire DNA changes, and in most children these changes happen by chance rather than being inherited. In a minority, a parent passes down a gene change—most often in TP53 as part of a rare condition called Li-Fraumeni syndrome—that greatly raises risk. This reflects the genetic transmission of Childhood choroid plexus cancer risk, not transmission of the cancer itself. If your family has a history of early cancers, a genetics team can discuss how Childhood choroid plexus cancer is inherited and whether testing makes sense.
When to test your genes
Childhood choroid plexus cancer is a genetic/congenital condition for some, so consider genetic testing at diagnosis to guide treatment and check for inherited risk (e.g., TP53/Li-Fraumeni). Test earlier if there’s a family history of early cancers or brain tumors. Re-test if tumor relapses or sequencing technology advances.
Diagnosis
For many families, the first clues are morning headaches, vomiting, or balance problems that keep coming back. Doctors usually begin with a careful history and exam, then move to brain imaging to look for a tumor or fluid build-up. The diagnosis of Childhood choroid plexus cancer is confirmed with scans and tissue testing, often coordinated by a pediatric neurosurgery and oncology team.
Your child’s doctor asks about symptoms, timing, and changes in school or play. They check general health, weight, and blood pressure to look for signs of increased pressure in the brain.
The clinician checks vision, eye movements, strength, reflexes, coordination, and balance. Findings can point to pressure from a tumor or fluid build-up in the brain’s ventricles.
MRI creates detailed images of the brain and ventricles without radiation. It helps show a tumor in the fluid spaces, how large it is, and whether surrounding areas are affected.
A CT scan is sometimes used quickly in urgent settings to look for bleeding or fluid build-up. It can show a mass in the ventricles but uses a small dose of radiation.
Stages of Childhood choroid plexus cancer
Childhood choroid plexus cancer does not have defined progression stages. Brain and spinal cord tumors are usually described by whether they stay in one area or spread through the fluid spaces around the brain and spine, rather than by numbered stages. Different tests may be suggested to help confirm the diagnosis and see if it has spread, including brain and spine MRI and a spinal fluid test (lumbar puncture), along with surgery to analyze the tumor under a microscope. Doctors also ask about early symptoms of childhood choroid plexus cancer—such as headaches, vomiting, or changes in balance—and then monitor with regular scans to track response to treatment.
Outlook and prognosis
Looking at the long-term picture can be helpful. Childhood choroid plexus cancer is rare, and outcomes depend on a few key factors: the tumor type (papilloma, atypical papilloma, or carcinoma), how completely surgeons can remove it, whether it has spread through the fluid around the brain and spine, and how a child responds to chemotherapy and, in some cases, radiation. Early care can make a real difference, especially when treatment happens at a pediatric center with experience in these tumors. For families, this often means a focused period of surgery and hospital time, followed by months of follow-up visits to track recovery, learning, and growth.
Doctors call this the prognosis—a medical word for likely outcomes. Children with choroid plexus papilloma who have a complete surgical removal often do very well and may be cured, with survival rates that are high and long-term effects mostly related to pressure on the brain before surgery or to the surgery itself. Atypical papilloma usually also has a favorable outlook, though it carries a higher chance of coming back, so closer monitoring is needed. Choroid plexus carcinoma is more aggressive; survival has improved with modern combined treatments, but it still carries a higher risk of recurrence and treatment side effects, and, in some cases, mortality remains a concern.
Many people ask, “What does this mean for my future?”, and the answer is that long-term health often hinges on both tumor control and managing late effects. Possible issues include learning or attention changes, balance or coordination challenges, and hearing or kidney effects from certain medicines. Regular scans and clinic visits help catch early symptoms of childhood choroid plexus cancer returning and allow timely treatment if needed. Talk with your doctor about what your personal outlook might look like.
Long-term effects
Childhood choroid plexus cancer can affect thinking, growth, and day-to-day energy long after treatment ends. Long-term effects vary widely, depending on the tumor type, the need for shunts, and the treatments used. Families often remember the early symptoms of childhood choroid plexus cancer—like morning headaches and vomiting—easing after surgery, while other effects may appear months or years later. Follow-up visits help spot issues early and guide support.
After choroid plexus cancer treatment, attention, processing speed, and memory can be affected. Effects may be subtle early on and become clearer as demands rise.
Many with choroid plexus cancer need a ventricular shunt after hydrocephalus, with possible infections or blockages over time. Some require revisions across childhood and adulthood.
Tumor location or surgery can leave balance or fine-motor challenges. This can affect handwriting, sports, and everyday tasks like stairs.
After choroid plexus cancer, scar tissue or brain irritation can lead to seizures in some. Medicines often control events, but rare breakthrough episodes may still occur.
How is it to live with Childhood choroid plexus cancer?
Living with childhood choroid plexus cancer often means life revolves around treatment cycles, hospital visits, and scans, with good days and hard days sometimes arriving without warning. Children may experience fatigue, headaches, nausea, or developmental slowdowns from the tumor or therapy, so school, play, and routines often need flexible plans, extra breaks, and support services like tutoring or physical and occupational therapy. Families and caregivers carry a heavy load—managing appointments, medications, and emotions—yet many find a strong rhythm over time with help from care teams, social workers, and community support. Friends, classmates, and siblings usually need clear, age-appropriate explanations and reassurance, which can make everyday interactions kinder, more patient, and more inclusive.
Treatment and drugs
Treatment for childhood choroid plexus cancer focuses on safely removing as much of the tumor as possible, usually with surgery, because taking out the full tumor offers the best chance for control. Doctors often add chemotherapy to shrink any remaining cancer cells; in very young children, chemo may be used to delay or reduce radiation to protect the developing brain. When radiation is needed, teams use highly focused approaches (such as conformal or proton therapy) to target the tumor area while limiting exposure to healthy tissue. Supportive care can make a real difference in how you feel day to day, including medicines to reduce brain swelling, manage nausea, and control seizures, plus rehabilitation to help with balance, strength, or learning after treatment. Your doctor can help weigh the pros and cons of each option, and treatment plans are usually managed by a pediatric neuro-oncology team experienced with rare brain tumors.
Non-drug treatment
For many families, care focuses on safely removing or controlling the tumor, easing pressure in the brain, and supporting development and learning over time. Non-drug treatments often lay the foundation for recovery alongside any medicines the team may recommend. These approaches can also help with early symptoms of childhood choroid plexus cancer, such as headaches, morning vomiting, or balance changes. Plans are tailored to the child’s age, tumor type, and how treatment affects daily life at home and school.
Surgeons aim to remove as much of the tumor as safely possible. This can quickly relieve pressure that causes headaches, nausea, or vision changes.
A shunt or endoscopic third ventriculostomy can drain extra fluid and lower pressure in the brain. This may ease morning vomiting and help energy and alertness.
Carefully targeted radiation can treat remaining tumor cells after surgery. Proton therapy may limit exposure to healthy brain tissue in some children.
Physical and occupational therapy can rebuild strength, balance, and coordination. Speech therapy supports communication, swallowing, and cognitive-linguistic skills.
Your genes may have an impact on how drugs work for you
Some medicines for childhood choroid plexus cancer work better or cause fewer side effects depending on a child’s genes, which can change how fast drugs are processed. Genetic testing can sometimes guide dosing or drug choice to improve safety and effectiveness.
Pharmacological treatments
Chemotherapy is often paired with surgery for childhood choroid plexus cancer, and in very young children radiation may be delayed or avoided. Treatment plans vary by whether the tumor is a papilloma or carcinoma, whether it has spread in the spinal fluid, the child’s age, and any inherited risks such as TP53/Li-Fraumeni. It’s common to try more than one drug before the team sees a clear response. Even when early symptoms of childhood choroid plexus cancer lead to diagnosis, the medication plan is based on imaging and lab findings from the tumor itself, not symptoms.
Cisplatin or carboplatin are core medicines that damage tumor DNA. They are often the backbone of combination chemo for choroid plexus carcinoma. Hearing and kidney function are checked regularly during treatment.
This drug helps stop tumor cells from dividing and pairs well with platinum agents. It is commonly used in multi-drug regimens for newly diagnosed or recurrent disease. Blood counts are monitored closely to watch for low white cells.
These alkylating drugs are used in combinations such as ICE (ifosfamide, carboplatin, etoposide). Extra fluids and mesna may be given to protect the bladder. Kidney function and blood counts are followed during therapy.
This weekly medicine interferes with the “skeleton” inside dividing cells. It is often added to combination chemo for added effect. Numbness, tingling, or constipation can occur and are watched for.
Genetic influences
Genes can play a meaningful role in some cases of childhood choroid plexus cancer. The strongest known link is an inherited change in a gene called TP53, part of a cancer‑risk condition known as Li‑Fraumeni syndrome; sometimes this change arises for the first time in a child. Others develop the tumor without any inherited cause, with the gene change found only in the tumor itself. Family history is one of the strongest clues to a genetic influence. Because this can affect treatment choices, follow‑up, and risks for relatives, doctors may recommend genetic testing for childhood choroid plexus cancer when the tumor or family history suggests it could help. Testing may start with the tumor and, if a change is found, be followed by a blood or saliva test to see if it was inherited; results can guide cancer‑screening plans for the child and, if relevant, for family members.
Is Childhood choroid plexus cancer genetic?
Genetics play a major role in childhood choroid plexus cancer. Inherited variants, especially TP53 changes seen in Li-Fraumeni syndrome, can raise risk, and tumor testing often finds additional mutations. Genetic counseling and testing help guide screening and treatment.
Pharmacogenetics—how genetics influence drug effects
For many children living with Childhood choroid plexus cancer, genetic information from the tumor—and sometimes inherited genes—can shape treatment plans and how medicines are used. If a hereditary TP53 change is found (Li-Fraumeni syndrome), teams may limit or delay radiation and lean more on surgery and chemotherapy to reduce the risk of second cancers. Some gene differences can change how a child handles drugs such as methotrexate, cyclophosphamide, or platinum medicines, which can influence side effects like hearing loss, low blood counts, or organ strain. Genetics is only one factor, and age, kidney function, and other medicines also play a role. In some centers, pharmacogenetic testing and tumor profiling help flag children at higher risk for toxicity and can guide monitoring and, in some cases, dosing adjustments or clinical trial options. Decisions about genetic testing for Childhood choroid plexus cancer treatment decisions are best made with a pediatric oncology and genetics team, who can explain how results might change drug choices or call for extra safety checks.
Interactions with other conditions
Children treated for Childhood choroid plexus cancer often face related health issues, like fluid buildup in the brain (hydrocephalus) that can overlap with headaches, vision changes, or even seizures from other causes. Shared genetic variants may explain why certain conditions cluster together. For example, some children have an inherited change in a tumor‑protecting gene (TP53), known as Li‑Fraumeni syndrome, which raises the chance of additional cancers in the child and in close relatives. This connection shapes care: teams may limit radiation when possible, plan regular whole‑body and brain checks, and arrange genetic counseling for the family. Neurologic conditions such as epilepsy can occur alongside the tumor or be triggered by pressure in the brain, and when both are present, seizure control and recovery may take more time. Other medical problems—like heart, kidney, or liver disease—can influence chemotherapy choices and dosing, and past infections or anemia can affect how well a child tolerates treatment, so coordination among specialists is key.
How genes can cause diseases
Humans have more than 20,000 genes, each carrying out one or a few specific functions in the body. One gene instructs the body to digest lactose from milk, another tells the body how to build strong bones and another prevents the body's cells from beginning to multiply uncontrollably and developing into cancer. As all of these genes combined are the building instructions for our body, a defect in one of these genes can have severe health consequences.
Through decades of genetic research, we know the genetic code of any healthy/functional human gene. We have also identified that in certain positions on a gene, some individuals may have a different genetic letter from the one you have. We call these hotspots "Genetic Variations" or "Variants" in short. In many cases, studies have been able to show that having the genetic letter "G" in the position makes you healthy, but having the letter "A" in the same position disrupts the gene function and causes a disease. Genopedia allows you to view these variants in genes and summarizes all that we know from scientific research, which genetic letters (Genotype) have good or bad consequences on your health or on your traits.
History
Families and communities once noticed patterns that were hard to explain: a toddler with a rapidly growing head, frequent vomiting, and sleepiness who needed urgent care. Long before scans existed, these signs hinted that pressure was building inside the skull. Surgeons in the late 1800s and early 1900s began documenting unusual tumors arising from the fluid-producing tissue deep in the brain’s ventricles. Early reports called it “papilloma” or “carcinoma” depending on how the cells looked under the microscope, though the term has shifted as pathology methods improved.
From early theories to modern research, the story of childhood choroid plexus cancer moved from bedside observation to precise classification. In the mid-20th century, pathologists refined the differences between benign choroid plexus papilloma, atypical papilloma, and malignant choroid plexus carcinoma. This mattered, because children with the malignant form often became ill quickly, and complete surgical removal was harder when the tumor bled easily or filled the ventricle. As medical science evolved, safer anesthesia, blood banking, and microsurgical techniques made operations more feasible for infants and young children.
The imaging era changed everything. With the arrival of CT in the 1970s and MRI in the 1980s, doctors could see a mass inside the ventricle, the direction of fluid flow, and signs of blockage. This allowed earlier diagnosis of childhood choroid plexus cancer and better planning to control blood loss and hydrocephalus, sometimes by placing a temporary drain or shunt before surgery. Over time, survival improved as teams combined surgery with carefully calibrated chemotherapy, and in selected cases, radiation adapted to a child’s age and developing brain.
Advances in genetics added another layer. Researchers learned that a portion of children with choroid plexus carcinoma carry changes in a tumor‑suppressor gene called TP53, sometimes as part of Li‑Fraumeni syndrome. That finding reshaped care: genetic counseling became part of the conversation, and treatment plans began to consider both tumor biology and the long‑term risks for the child and family. At the same time, tumor genomic testing helped confirm diagnosis when the microscope view was uncertain.
In recent decades, awareness has grown that “choroid plexus tumors” are not all the same, and that infants, toddlers, and older children can present differently. International collaborations created common definitions and study groups, so results from one country could guide care in another. Despite evolving definitions, the central goals have stayed steady: diagnose early, relieve pressure safely, remove as much tumor as possible, and tailor therapy to balance effectiveness with long‑term quality of life.
Today’s approach to childhood choroid plexus cancer builds on more than a century of observation, surgical innovation, and genetic insight. Knowing the condition’s history helps explain why care is now highly coordinated, often involving neurosurgeons, pediatric oncologists, pathologists, geneticists, and supportive care teams who focus on both cure and healthy development.