Medical Oncologist
CION Cancer Clinics
PALB2 in men: what a fault means for fathers, brothers and sons | CION Cancer Clinics
Men carry PALB2 faults as often as women and pass them to sons and daughters in exactly the same way. A man with a PALB2 fault also has raised risks himself: of breast cancer, which men can get, of pancreatic cancer, and possibly of prostate cancer. This page sets out those risks plainly, what a man should watch for, and why leaving men out of family testing misses half the family. 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. Naresh GunduConsultant Medical Oncologist · MBBS, DNB (Internal Medicine), DM (Medical Oncology, AIIMS) · last reviewed September 2026, next review due September 2027
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On this page
- What does a PALB2 fault mean for a man?
- Which cancer risks does a man with PALB2 carry?
- What should a man do after a PALB2 result?
- What do these terms mean, in plain language?
- How is a man's plan different from a woman's?
- What this page cannot tell you
- Four things men tell us, and what is actually true
- Common questions about PALB2 in men
The short answer
What does a PALB2 fault mean for a man?
It means two things. He has raised risks of some cancers himself, mainly breast and pancreatic cancer. And each of his children, sons and daughters alike, has a one-in-two chance of inheriting the fault from him. Most men who carry PALB2 never develop cancer, but the result still matters for the whole family.
Men inherit it and pass it on equally
A PALB2 fault can come from the father's side or the mother's side, and it behaves the same either way. A man can carry it for his whole life without any illness. He can still pass it to a daughter whose breast risk is then substantially raised.
Why men are so often left out
In many families, breast cancer is seen as a women's illness, so the men are never asked to test. The family tree then misses half the people who could carry the fault. Sometimes the man is the one who will pay for the whole family's testing, and he has not been told his own result matters.
A PALB2 fault in a man is a statement about risk. It is not a cancer diagnosis.What is raised
Which cancer risks does a man with PALB2 carry?
The evidence is firmer for some organs than others. Your counsellor will tell you how it applies to you.
Breast
Men have a small amount of breast tissue behind the nipple, and it can develop cancer. The risk for a PALB2 carrier is raised well above other men, though male breast cancer stays uncommon overall.
Pancreas
PALB2 raises pancreatic cancer risk in men and women alike. For any one carrier the risk stays fairly low. Checks are usually considered only when a close relative has had pancreatic cancer.
Prostate
Some studies suggest a raised prostate cancer risk. The evidence is less settled than for BRCA2, and studies so far are small. It is a fair topic to raise with your doctor.
His children
Each child has a one-in-two chance of inheriting the fault.
What that means
- A daughter who inherits it needs a breast plan
- A son who inherits it can pass it on too
- A child who does not inherit it cannot pass it on
Not sure whether this applies to you?
Ask an oncologistAfter the result
What should a man do after a PALB2 result?
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Understand the result properly
Sit with a genetic counsellor and confirm the fault is classified as harmful. Ask what it means for you and for each of your children.
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Get to know your own chest
Learn how your chest normally looks and feels. A new lump behind the nipple, a nipple turning inward or a discharge should be checked promptly.
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Talk to your doctor about prostate checks
Whether to start blood tests for the prostate, and when, is a shared decision. Bring your PALB2 report to that conversation.
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Mention any pancreatic cancer in the family
If a parent, brother or sister had pancreatic cancer, ask whether a specialist screening programme is worth considering.
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Tell your brothers, sisters and children
They can be tested for the same fault. A simple family letter from your counsellor makes this easier to explain.
Words you will hear
What do these terms mean, in plain language?
- Male breast cancer
- Cancer in the small area of breast tissue behind a man's nipple. It is uncommon, which is why it is often noticed late.
- Chest awareness
- Knowing what is normal for your own chest, so that a change stands out. No special technique is needed.
- PSA test
- A blood test that can hint at prostate problems. A raised result is a reason for more checks, not a diagnosis.
- Carrier
- Someone who has an inherited fault but does not have cancer. A carrier is not a patient.
- Germline
- Present in every cell from birth, and so it can be passed to children. A fault found only inside a tumour is somatic.
- Cascade testing
- Offering a test to relatives one step at a time, as each new carrier is found.
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Side by side
How is a man's plan different from a woman's?
A man with PALB2
A woman with PALB2
Chest awareness and prompt reporting of changes
Regular breast imaging, with MRI often considered
Prostate checks discussed with his doctor
Ovary decisions weighed later in life
Pancreas checks only with a family history
Pancreas checks only with a family history
Each child has a one-in-two chance of inheriting it
Each child has the same one-in-two chance
Being straight with you
What this page cannot tell you
It cannot give you a personal risk figure. Estimates for men with PALB2 come from fewer studies than for women, and they vary with the family history. What your specific variant means is a question for the counsellor who ordered the test.
The evidence in men is still thin
Much of what is known about PALB2 comes from women with breast cancer and their relatives. Male breast and prostate risks are based on smaller numbers, and almost none of the research comes from India. Guidance for men may change as more carriers are followed. Your counsellor will tell you where the evidence is firm and where it is not.
Who this does not apply to
If no PALB2 fault has been found in your family, this page does not describe you. A man whose mother or aunt had breast cancer at an older age, with no known gene fault, does not usually need these checks. Ask a counsellor if you are unsure where you stand.
Commonly believed
Four things men tell us, and what is actually true
"Men do not get breast cancer."
They do, though far less often than women. Because nobody expects it, a lump is often ignored for months. A PALB2 carrier should report any chest change promptly.
"This result is only about my daughters."
It is about you too. Your own breast and pancreatic risks are raised, and possibly your prostate risk. Your sons can also carry the fault and pass it on.
"It came from my mother's side, so it cannot affect me."
A fault behaves the same whichever parent it came from. Men inherit PALB2 from their mothers just as often as from their fathers.
"If my son inherits it, it does not really matter."
He has his own raised risks, and each of his children will have a one-in-two chance of inheriting it. Testing sons is as important as testing daughters.
Questions we are asked
Common questions about PALB2 in men
My sister has a PALB2 fault. Should I be tested?
Yes, it is worth considering. As her brother, you have a one-in-two chance of carrying the same fault. A test for her exact fault is simpler and cheaper than her first test. Knowing matters for your own checks and for your children.
What chest changes should a man watch for?
A lump or thickening behind the nipple, a nipple turning inward, a discharge, skin puckering or a lump in the armpit. Most such changes turn out to be harmless. With a PALB2 fault, get any new change checked promptly rather than waiting.
Do men with PALB2 need mammograms?
Not routinely. Your doctor may examine your chest from time to time and will arrange a scan if anything new is felt. Ask your counsellor whether your family history changes this advice for you.
Should I start PSA tests?
Discuss it with your doctor. The link between PALB2 and prostate cancer is less certain than for BRCA2. Whether to test, and how often, is a shared decision that weighs your age, your family and your own preferences.
I had breast cancer as a man. Should I be tested?
Yes. Any man with breast cancer is usually offered genetic testing, whatever his family history. PALB2 is one of the genes on the standard panel, alongside BRCA1 and BRCA2. A result can guide your treatment and help your relatives.
When can my children be tested?
Usually once they are adults and can decide for themselves. PALB2 risks begin in adult life, so testing a child early rarely changes anything. Your counsellor can help you plan when and how to tell them.
My wife and I are related. Does that matter?
It can. If she also carries a PALB2 fault, a child could inherit two faulty copies and have a rare, serious childhood condition affecting the bone marrow. Ask your counsellor whether your wife should be tested before planning a family.
Will my employer or insurer find out?
Your result is confidential and is not shared without your consent. India has no dedicated law on genetic discrimination in insurance. Raise this with your counsellor before testing, so you can decide with the full picture.
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)
Medical Oncologist
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Sources
- National Cancer Institute — Genetics of Breast and Gynecologic Cancers (PDQ®)–Health Professional Version
- NCCN — Genetic/Familial High-Risk Assessment: Breast, Ovarian, Pancreatic, and Prostate
- NHS — Breast cancer in men
- MedlinePlus Genetics — PALB2 gene
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
Is PALB2 as serious as BRCA?How PALB2 risks compare, organ by organTesting the family for PALB2Who else in the family should be offered a testMale breast cancer and genetic testingWhy every man with breast cancer is offered a testProstate surveillance for carriersWhat prostate checks for gene carriers involve
Talk to us
A man in your family with a PALB2 result?
Bring the report and a rough family tree, and we will help him understand his own checks and what it means for his children. One helpline serves every CION centre.