Medical Oncologist
CION Cancer Clinics
After a positive RUNX1 result: the next steps | CION Cancer Clinics
A positive RUNX1 result does not mean you have leukaemia, and nothing has to happen today. Over the next few weeks you will go through the report with a counsellor, meet a haematologist, have baseline blood tests and get a plan for bleeding. This page walks through those first steps, what changes in daily life, and how to bring the family into the conversation. At CION Cancer Clinics, our oncologists explain what a gene result means for you and your family, and plan the checks that follow.
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Medically reviewed by Dr. Basudev PokhrelConsultant Haematologist · last reviewed September 2026, next review due September 2027
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On this page
- I have tested positive for RUNX1. What happens now?
- What does a RUNX1 result change for you?
- What should happen in the first few weeks?
- The words on a positive report, in plain language
- A well carrier or someone already being treated?
- Four fears after a positive result, and what is actually true
- What this page cannot tell you
- Common questions after a positive RUNX1 result
The short answer
I have tested positive for RUNX1. What happens now?
Nothing has to happen today. Over the next few weeks you will go through the report with a genetic counsellor, meet a haematologist, have baseline blood tests and get a written plan for bleeding. Then the family conversation begins, at a pace you choose.
First, check what the report actually says
A positive result means the laboratory classed the variant as pathogenic or likely pathogenic, meaning known or very likely to break the gene. If the report says variant of uncertain significance instead, that is not a positive result and the plan is different.
Then, check it was tested on the right sample
If you have or had leukaemia and the test used blood or marrow, the fault may have come from the leukaemia cells rather than from birth. A second test on skin or hair settles whether it is truly inherited.
Then, make a plan for your own health
For a well carrier, the plan is watchful rather than urgent. Regular blood counts, a baseline marrow test and a bleeding plan are the core. You can keep working, travelling and living as before. For someone already being treated for leukaemia, the result mostly affects donor choice.
A positive result is information you can act on. It is not a diagnosis of leukaemia.Four areas of life
What does a RUNX1 result change for you?
Most changes are practical. They add routine checks and a few precautions rather than treatment.
Your blood checks
You will have a named haematologist and regular blood counts. Any change from your usual numbers is looked at quickly. Keep copies of every report, because the trend over time matters more than any single result.
Bleeding and procedures
Your platelets may not work as well as they should, even at a normal count.
Practical steps
- Avoid aspirin and ibuprofen-type painkillers
- Tell every dentist and surgeon
- Plan delivery with the obstetric team
- Carry a note with your haematologist's name
Your family
Parents, brothers, sisters and children can be tested for your exact variant. Each has a one in two chance of carrying it if their parent does.
Transplant planning
If a stem cell transplant is ever needed, carrier relatives cannot donate. Some teams do tissue typing early so that donor options are known in advance.
Not sure whether this applies to you?
Ask an oncologistStep by step
What should happen in the first few weeks?
A results appointment
The counsellor explains the variant, how it was classified, and what it does and does not mean. Bring a relative, and write your questions down first.
A haematology referral
A haematologist reviews your history and past blood counts and becomes the doctor who follows you.
Baseline tests
A full blood count, a blood film and usually a bone marrow test, so later results have something to be compared against.
A written bleeding plan
What to avoid, what to do before dental work or surgery, and when to go to an emergency department.
A family letter
A short letter explaining the result, which you can share with relatives when you are ready.
On your report
The words on a positive report, in plain language
- Heterozygous
- You carry the change in one of your two copies of the gene. This is the usual finding for an inherited RUNX1 fault.
- Likely pathogenic
- Very probably disease-causing. It is managed the same way as a pathogenic result.
- Germline
- Present in every cell from birth, and so it can be passed to children.
- Familial platelet disorder
- The condition an inherited RUNX1 fault causes: low or poorly working platelets and a raised risk of blood cancer.
- Myeloid
- Relating to the marrow cells that make red cells, platelets and some white cells. Most RUNX1-linked cancers are myeloid.
- Surveillance
- Planned checks on a well person, to find changes early.
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Side by side
A well carrier or someone already being treated?
You are well
You are being treated for leukaemia
Regular blood counts with a haematologist
Treatment continues as planned
Baseline marrow test, repeated if counts change
Confirm the fault on skin or hair
Relatives offered testing
Related donors tested before being chosen
Bleeding plan for procedures
Transplant team told about the fault
Commonly believed
Four fears after a positive result, and what is actually true
"I need treatment straight away."
A well carrier does not need treatment. The first steps are a plan and baseline tests. Treatment is only discussed if the marrow changes.
"I should not have children now."
Many carriers have children. A counsellor can explain the one in two chance and the options available, so you can decide with full information.
"It is my fault my child might have it."
Nobody chooses the genes they pass on. You did not cause this. Knowing about it means your child can be watched and kept safe from the start.
"A transplant now would remove the risk."
A transplant carries serious risks of its own and is not offered to well carriers with normal marrow. It is considered only if worrying marrow changes appear.
Being straight with you
What this page cannot tell you
It cannot tell you your personal risk of leukaemia, or when it might appear. Risk varies between families and between variants, and the published families are few. Studies so far are small, and most come from outside India.
It cannot read your report
What your specific variant means is a question for the counsellor who ordered the test. Searching the variant name online often turns up research papers that do not apply to you. Take the report to someone qualified to read it.
Who this does not apply to
This page is for a confirmed inherited fault. It does not apply if your RUNX1 fault was found only in leukaemia cells and has not been confirmed on skin or hair. It also does not apply to a variant of uncertain significance. Relatives who test negative for your family variant do not need any of these steps.
India has no dedicated law on genetic discrimination in insurance. Ask your counsellor what you may need to declare before you apply for new cover.Questions we are asked
Common questions after a positive RUNX1 result
Does a positive result mean I have leukaemia?
No. It means you carry a fault that raises the risk. Many carriers never develop a blood cancer. A blood count and your haematologist's review will show whether your marrow is behaving normally now.
How soon should I see a haematologist?
Within the next few weeks is reasonable for a well carrier. Go sooner if you have new bruising, bleeding, fevers or unusual tiredness. Bring every old blood count report you can find.
Do I need to change my diet or lifestyle?
No special diet is proven to lower the risk. Not smoking, limiting alcohol and avoiding painkillers that weaken platelets are sensible. Keep vaccinations up to date, and tell any new doctor about the condition.
Can I still play sport and work normally?
Most carriers live and work normally. If your platelets are low, your haematologist may suggest care with contact sports. Ask about your own count before taking up anything with a high risk of head injury.
Should I tell my employer?
You are not required to. You may want a trusted colleague to know about the bleeding risk in case of an accident. Talk through the pros and cons with your counsellor before deciding.
What about marriage conversations?
This is a real concern in many families. The result is private medical information. A counsellor can help you think about when and how to share it, and what it means for any future children.
Will my result ever be changed?
Classifications are reviewed as evidence grows. A pathogenic result is rarely downgraded, but it can happen. Ask how the laboratory or your counsellor will contact you if your result is ever reclassified.
Can I get support in Telugu?
Yes. Results and follow-up can be explained in Telugu, and a family member can join the conversation. Many people find it easier to share the news with relatives after hearing it explained in their own language.
Your Specialists
Meet CION's oncologists. Bring your family history or genetic report to them.
Our medical oncologists see people with a strong family history of cancer, arrange genetic counselling and testing where it fits, and plan the checks that follow.
Medical Oncologist
Dr. C. Raghavendra Reddy
MBBS(Gold Medal), DNB(General Medicine), DM(Medical Oncology)(Gold Medal)
Medical Oncologist
Dr. Bharati Devi Gorantla
MBBS, MD(General Medicine), DM(Medical Oncology)(Adyar,Chennai), ECMO, MRCP SCE(UK)
Medical Oncologist
Dr. Owais Mohammed
MBBS, MD (General Medicine), DrNB (Medical Oncology), ECMO, MRCP SCE (Medical Oncology) (UK)
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Medical Oncologist
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Sources
- GeneReviews (NCBI) — RUNX1 Familial Platelet Disorder with Associated Myeloid Malignancies
- National Cancer Institute (PDQ) — RUNX1-Familial Platelet Disorder (PDQ)
- MedlinePlus Genetics — RUNX1 gene
- National Cancer Institute — Genetic Testing for Inherited Cancer Susceptibility Syndromes
This page is general information, not a prescription. Do not change or stop any treatment based on what you read here. If anything is worrying you, contact your own treating team — or call our helpline and we will help you reach the right specialist.
Keep reading
Related pages
Surveillance for RUNX1 carriersThe blood checks you will have, and how oftenTesting the family for RUNX1How to bring relatives into testingRUNX1 mutation: which cancers and what riskWhat the raised risk actually refers toWhy a RUNX1 result changes who can be a stem cell donorWhy transplant planning is part of the conversation
Talk to us
Just received a positive RUNX1 report?
Send us the report and any old blood counts. We will arrange a counsellor to go through it with you and a haematologist to set up your plan. One helpline serves every CION centre.