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VHL types: what Type 1, 2A, 2B and 2C mean for your family | CION Cancer Clinics
Doctors sort von Hippel-Lindau (VHL) families into Type 1 and Type 2, mainly by whether an adrenal gland tumour called a phaeochromocytoma tends to appear. Type 2 is split again by how often kidney cancer occurs. The type describes a family pattern, not your future. This page explains what each type means, how it is worked out, and why every carrier still has the same core checks. 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 do VHL Type 1 and Type 2 actually mean?
- Type 1, 2A, 2B and 2C: what each one usually looks like
- How is a family's VHL type worked out?
- The words you will meet, in plain language
- What the type can shape, and what stays the same
- Four things families say about VHL types, and what is true
- What this page cannot tell you
- Common questions about VHL types
The short answer
What do VHL Type 1 and Type 2 actually mean?
The type is a shorthand for which growths tend to appear in a family with von Hippel-Lindau (VHL). Type 1 families rarely develop a tumour of the adrenal gland called a phaeochromocytoma. Type 2 families do, and Type 2 is divided again into 2A, 2B and 2C by how often kidney cancer and growths in the brain, spine or eye appear alongside it.
Why the type follows the exact gene change
The type tends to follow the kind of change in the VHL gene. A large missing piece of the gene, or a change that cuts the protein short, is usually seen in Type 1 families. A single-letter change that swaps one building block of the protein, called a missense variant, is more often behind Type 2. Some variants have been seen in many families worldwide, so a laboratory can sometimes suggest the likely type straight from the report.
Why every carrier is still checked for everything
The link between variant and type is a tendency, not a rule. Families with the same variant have shown different patterns. A family's type may only become clear after several relatives have been checked over many years. For that reason, surveillance guidelines apply the same core set of checks to every carrier, whatever the type on paper.
The type can shape emphasis. It does not remove any check from your list.The four labels
Type 1, 2A, 2B and 2C: what each one usually looks like
These patterns describe what has been seen across many families. Your own family may not fit neatly into one box.
Type 1
Blood-vessel growths in the brain, spine and retina, kidney cysts and clear cell kidney cancer, and cysts or tumours of the pancreas. Adrenal tumours are uncommon.
Usually linked to
- Large deletions of the gene
- Changes that cut the protein short
Type 2A
Adrenal tumours and blood-vessel growths in the brain, spine or retina, but kidney cancer is seen less often. It is tied to a small number of specific missense variants.
Type 2B
The fullest pattern. Adrenal tumours, brain, spine and eye growths, and a high chance of kidney cancer all appear in these families. Pancreatic growths can occur too.
A high chance is not a certainty. Regular kidney scans are what change the outcome.Type 2C
Adrenal tumours only, with no brain, eye or kidney growths recorded in those families so far. It is rare, and the label rests on a small number of families.
Not sure whether this applies to you?
Ask an oncologistStep by step
How is a family's VHL type worked out?
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A genetic test finds the VHL variant
A blood sample is tested for small spelling changes in the gene and for large missing or extra pieces. Both checks matter, because a deletion can be missed if only one is done.
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The variant is compared with published families
The laboratory checks whether the same change has been reported before and what those families developed. This gives a first hint at the likely type.
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The family history is drawn out
A genetic counsellor asks who had an adrenal tumour, a kidney tumour, or a brain, spine or eye growth, and at roughly what age. Blood pressure problems and sudden deaths are noted too.
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Relatives' first checks fill the gaps
As carriers in the family have their first round of scans and blood tests, the picture becomes clearer. An adrenal tumour found in one relative can move a family from Type 1 to Type 2.
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The label is reviewed as the family grows older
The type is a working description, not a final verdict. It is revisited whenever a new growth appears in any relative.
On your report
The words you will meet, in plain language
- Haemangioblastoma
- A benign, slow-growing knot of blood vessels. In VHL it appears in the brain, the spinal cord or the retina at the back of the eye.
- Phaeochromocytoma
- A usually benign tumour of the adrenal gland that releases stress hormones. It can cause surges of high blood pressure, sweating and a pounding heart.
- Paraganglioma
- The same kind of tumour, found along nerves outside the adrenal gland, often in the abdomen or neck.
- Clear cell kidney cancer
- The type of kidney cancer linked to VHL. It often starts inside a kidney cyst.
- Missense variant
- A change of one letter that swaps one building block of the protein for another. The protein is still made, but works less well.
- Metanephrines
- Breakdown products of adrenal stress hormones. A blood or urine test for them is how an adrenal tumour is looked for.
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Side by side
What the type can shape, and what stays the same
The type can shape
Stays the same for every type
How much weight the adrenal hormone test carries
Every carrier still has that test, from childhood
How the family talks about kidney cancer risk
Kidney imaging continues on the usual schedule
Which symptoms your team asks about first
Eye, brain and spine checks are the same
How a doctor reads unexplained high blood pressure
Adrenal tumours are ruled out before any operation or delivery
What relatives expect to be watched for
Each relative's own result decides their plan
Commonly believed
Four things families say about VHL types, and what is true
"We are Type 1, so we can stop the adrenal tests."
Guidelines keep the adrenal blood or urine test for every carrier. Adrenal tumours are uncommon in Type 1 families, not impossible, and an unknown one is dangerous during surgery or childbirth.
"Type 2C means nothing else needs checking."
Type 2C is rare and rests on few families. Doctors still check the eyes, brain, spine and kidneys, because the pattern could change as more relatives are followed.
"Type 2B means kidney cancer is certain."
It means the chance is high. Kidney tumours in VHL are usually found small on routine scans, watched carefully, and treated with kidney-sparing methods when they reach a set size.
"Everyone in our family will follow the same pattern."
Relatives with the same variant can have very different courses. One may have eye growths early while another has none for decades. Each person needs their own checks.
Being straight with you
What this page cannot tell you
It cannot tell you which type your family has. That comes from your exact variant, your family tree and the checks relatives have already had, read together by a genetic counsellor or clinical geneticist. What your specific variant means is a question for the counsellor who ordered the test.
The evidence behind the types is limited
The four labels come from families studied mainly in Europe and North America. Studies of VHL families in India are small, and Indian variants are less well recorded in the shared databases. That does not make the types wrong. It means your team may be less certain about your family's label, and will lean on the full set of checks.
Who this does not apply to
Most people with a single kidney cyst, or one kidney cancer found in later life with no family pattern, do not have VHL. The types on this page only matter once a VHL variant has been confirmed. If you have not been tested, the first question is whether testing is right for you at all.
If you are holding a VHL report, bring it and your family history to a genetic counselling appointment.Questions we are asked
Common questions about VHL types
Which VHL type is more serious?
No type is simply better or worse. Type 2B carries the widest range of growths, but Type 1 families can still face kidney cancer and brain or eye growths. What matters most is whether each carrier keeps to regular checks, because growths found small are far easier to manage.
Can our family's type change over time?
Yes. The label describes what the family has shown so far. If a relative in a Type 1 family develops an adrenal tumour, the family may be reclassified as Type 2. Your counsellor revisits the label as new information arrives.
Does my genetic report tell me my type?
Sometimes it suggests one, when the variant has been seen in many families before. Often it does not state a type at all. The type is usually worked out by your counsellor from the variant and the family history together, not from the report alone.
Is the check-up schedule different for Type 2?
The core schedule is the same for every carrier: eye checks, adrenal hormone tests, and scans of the brain, spine and abdomen. In Type 2 families, doctors may pay closer attention to blood pressure and symptoms of an adrenal tumour between visits.
Why does an adrenal tumour matter before surgery or childbirth?
An adrenal tumour can release a flood of stress hormones under anaesthesia or during labour, causing dangerous spikes in blood pressure. Checking for one first, and treating it, makes any planned operation or delivery much safer. Tell every doctor who treats you that you carry VHL.
Can the type predict when a growth will appear?
No. The type suggests which growths are more likely, not when they will come. Timing varies widely, even between brothers and sisters. That is why checks run on a steady schedule rather than waiting for symptoms.
Can VHL testing be done in Hyderabad?
Yes. The test needs a blood sample, which is sent to a specialist laboratory. Your oncologist or a genetic counsellor can arrange it and explain the result. Families from the districts can often do the counselling and sample collection in one visit. Ask for the consultation in Telugu if that is easier.
Do government schemes cover VHL testing?
Cover for standalone genetic tests under Aarogyasri and Ayushman Bharat is limited and changes over time. Treatment of a resulting tumour may be covered even when the test is not. Check the current position with the scheme desk before the sample is taken.
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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Sources
- GeneReviews (NCBI Bookshelf) — Von Hippel-Lindau Syndrome
- MedlinePlus Genetics — Von Hippel-Lindau syndrome
- MedlinePlus Genetics — VHL gene
- National Cancer Institute — Genetics of Kidney (Renal Cell) Cancer (PDQ) - Health Professional Version
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
The VHL gene: what it does and why it mattersHow one faulty gene causes growths in so many organsSurveillance for VHL carriersThe checks every type shares, and when they startVHL positive: what happens nextThe first steps after a positive resultTesting the family for VHLWho else should be offered the test
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