Medical Oncologist
CION Cancer Clinics
Surveillance for CDKN2A carriers: skin and pancreas checks | CION Cancer Clinics
CDKN2A carriers are usually offered two kinds of regular check: skin examinations for melanoma and scans of the pancreas. Skin checks often start in the teenage or young adult years, and pancreas checks usually from around forty. This page sets out what each check involves, how often it is typically repeated, what to do between visits, and which symptoms should never wait for the next appointment. 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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The short answer
Which checks does a CDKN2A carrier need?
Two kinds, running side by side for life. The first is regular skin checks to find melanoma early. The second is scans of the pancreas, which usually begin in middle age. Alongside both, giving up tobacco does more to lower risk than any single test.
The skin track
A dermatologist examines your whole skin, usually once or twice a year, and keeps photographs to compare against next time. Between visits you check your own skin once a month. People with many unusual moles, or a past melanoma, are often seen more frequently.
The pancreas track
An MRI of the pancreas or an endoscopic ultrasound, usually once a year, in a centre that runs a proper high-risk programme. Expert groups generally suggest starting around the age of forty, or earlier if a relative was diagnosed young.
Why your schedule is your own
The exact plan depends on your moles, your own history, your family's pattern of illness and your age. Your team should write it down for you, so that you and any doctor you see later know what is due and when.
What you can do yourself
Stop all tobacco, including beedis and chewed tobacco. Avoid sunburn and long hours in strong midday sun. Keep your weight and your drinking in check. None of these replaces the checks, but each one lowers a risk the checks are looking for.
Surveillance finds problems earlier. It does not stop them from starting.Check by check
What does each check actually involve?
Full skin examination
A dermatologist looks at every part of the skin, including the scalp, soles, palms, nails, mouth and genitals. Unusual moles are viewed through a lit magnifier, and photographs are kept on file.
Bring along
- Your gene report
- Photos of any mole that has changed
Your monthly self-check
In good light, with a full-length mirror and a hand mirror, or with a family member helping. Phone photos of your back, soles and scalp make changes easier to spot next month.
Look closely at
- Soles, palms and between the toes
- Under the fingernails and toenails
- Scalp, back and behind the ears
Pancreas scan
An MRI, which uses a magnet and no radiation, or an endoscopic ultrasound, where a thin camera passes through the mouth under sedation. Many programmes use both over the years. You may be asked not to eat for a few hours beforehand, and after sedation someone should take you home.
Blood sugar test
Usually done with each pancreas check. Diabetes that appears suddenly can be an early clue to a pancreatic problem, so a new rise is taken seriously rather than simply treated. If you already have diabetes, tell the team if your control worsens for no obvious reason.
Not sure whether this applies to you?
Ask an oncologistThrough the years
How does the schedule change through life?
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Childhood
No gene test is usually done. Every child in the family is protected from sunburn, and parents keep an eye on new or changing moles.
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Teenage and young adult years
Dermatologist skin checks often begin in carrier families, and young people learn to check their own skin. Gene testing can be discussed once they can decide for themselves.
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Twenties and thirties
Skin checks continue on a regular rhythm. A set of baseline photos is taken. This is the best time to stop tobacco for good.
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Around forty
Pancreas scans are usually added, or earlier if a relative had pancreatic cancer young. The skin and pancreas visits can often be booked together.
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Later life
Both tracks continue while you are well enough to benefit from treatment if something is found. Your team reviews the plan with you as your health changes.
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What should never wait for the next appointment
A mole that bleeds without injury, grows or changes quickly, or a new dark streak under a nail, needs a doctor's look within the next few days. Yellow eyes or skin, very dark urine or pale stools need a doctor the same day. Say that you carry a CDKN2A fault. Do not wait because your last scan was normal, and do not try to treat a changing mole at home.
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At a glance
The typical schedule, check by check
Check
Usually how often
Full skin examination by a dermatologist
Once or twice a year, more often with many unusual moles
Your own skin self-check
Once a month
Pancreas MRI or endoscopic ultrasound
Once a year, usually from around forty
Blood sugar test
Alongside each pancreas check
Review with your genetic counsellor
When your family history or the guidance changes
Being straight with you
What this page cannot tell you
It cannot set your personal schedule. The pattern above is typical, not a prescription. What your specific variant means, and how often you in particular should be seen, is a question for the counsellor who ordered the test and the specialists running your checks.
Keeping going from a district
Surveillance only works if it continues for years. If you travel to Hyderabad from a district, ask whether the skin and pancreas visits can be booked on the same day. Keep every report in one folder, and set a phone reminder a month before each check is due. In large families it often helps if one person keeps track of everyone's due dates.
Who this does not apply to
Relatives who tested negative for the family's known fault do not need this schedule. They follow the same advice as anyone else, unless another part of the family history applies. A CDKN2A change found only in a tumour report does not put anyone on this schedule either.
Where the evidence is thin
Pancreatic surveillance is still being studied, and most data come from outside India. Experts agree it is reasonable for carriers. They do not yet agree on every detail.
Commonly believed
Four things carriers assume about surveillance, and what is true
"A clear scan means I can relax for good."
Each check describes that moment only. The value comes from repeating it, so that a change is caught between one normal result and the next.
"I check my own skin, so I do not need a dermatologist."
Self-checks matter, but a dermatologist with a lit magnifier and last year's photos sees changes you cannot. The two work together.
"Pancreas scans will expose me to a lot of radiation."
MRI and endoscopic ultrasound use no radiation at all. CT is not normally used for routine checks, which is partly why.
"Surveillance is only for people who already had melanoma."
It is mainly for carriers who are well. Finding a problem before any symptom appears is the whole purpose of the schedule.
Questions we are asked
Common questions about CDKN2A surveillance
When should skin checks start?
In carrier families, dermatologist checks often begin in the teenage years, and sometimes earlier if a child has many moles. Sun protection starts from birth for every child in the family. Your dermatologist will suggest the right starting point for each person.
How often should a doctor check my skin?
Usually once or twice a year. If you have many unusual moles, or have already had a melanoma, your dermatologist may see you more often. The interval can be lengthened later if your skin stays stable.
When should pancreas checks start?
Expert groups generally suggest around the age of forty for CDKN2A carriers, or earlier if a relative had pancreatic cancer young. Your counsellor and gastroenterologist will agree a starting age with you.
What if I live far from Hyderabad?
Monthly self-checks can be done anywhere, and phone photos help a dermatologist compare changes. Ask whether the skin and pancreas visits can be booked on one day. Counselling can often be done by video, which saves at least one journey.
What happens during pregnancy?
Skin checks continue, because moles can darken or change during pregnancy and any change should be seen. Pancreas scans are reviewed with your team, and may be adapted or postponed until after the baby is born. Tell both teams early that you are pregnant.
What happens if a check finds something?
A worrying mole is removed or sampled and sent to the laboratory. On the pancreas, a small finding usually means an earlier repeat scan or a closer look by endoscopic ultrasound. Most findings turn out to be harmless, and the team explains each step.
Is surveillance covered by insurance or schemes?
Cover varies. Many health policies pay for hospital admissions but not outpatient checks, and schemes rarely cover preventive screening in well people. Check your policy wording, and ask our team for an estimate against your own cover before you book.
Do relatives who tested negative need these checks?
No. If the family's known fault was looked for and not found, they did not inherit it. They follow general advice for their age, unless something else in the family history applies. They can still use sun protection like anyone else.
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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Our centres in and around Hyderabad
Addressed by landmark, because that is how this city navigates. One helpline books a consultation at any of these centres, and your team will tell you where counselling and testing take place.
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Sources
- National Cancer Institute — Genetics of Skin Cancer (PDQ) – Health Professional Version
- National Cancer Institute — Pancreatic Cancer Screening (PDQ) – Patient Version
- MedlinePlus Genetics — CDKN2A gene
- Cancer Research UK — Risks and causes of melanoma
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.
Talk to us
Need help setting up skin and pancreas checks?
Tell us about your result and where you live. We will help you plan the checks, and book them together where we can. One helpline serves every CION centre.