Medical Oncologist
CION Cancer Clinics
PTCH1 or SUFU positive: what happens next | CION Cancer Clinics
A positive PTCH1 or SUFU result means you, or your child, carry a fault that causes Gorlin syndrome. Nothing needs to happen today. The steps that matter come over the next few weeks: a genetics appointment, a starting check-up, a written surveillance plan and a conversation about relatives. This page walks through them in order, and explains what does not change. 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 positive PTCH1 or SUFU result actually mean?
- Who will you see after a positive result?
- What happens in the first few weeks and months?
- What do the words on a PTCH1 or SUFU report mean?
- What changes, and what stays the same?
- What this page cannot tell you
- Four fears families bring to the first appointment
- Common questions after a positive result
The short answer
What does a positive PTCH1 or SUFU result actually mean?
It means you, or your child, carry a fault in a gene that normally acts as a brake on a growth signal inside cells. That fault causes Gorlin syndrome. It raises the chance of basal cell skin cancers and jaw cysts, and in young children, of a brain tumour called medulloblastoma. It is not a cancer diagnosis.
For an adult, it often explains the past
Many adults are tested because they have already had several skin cancers, or jaw cysts, at a young age. For them, the result puts a name to what has been happening. It also opens testing for their children and siblings.
For a child, it starts a plan
A child who tests positive is usually well. The result means they will be watched more closely than other children, especially in the early years. SUFU children usually need brain scans. PTCH1 children usually need careful check-ups instead.
Nothing has to happen today. The next few weeks are about getting the right people involved.The team around you
Who will you see after a positive result?
Gorlin syndrome touches several parts of the body, so care is shared between a few specialists.
A genetics team
A clinical geneticist or genetic counsellor explains the report, confirms what it means for you, and helps plan testing for relatives. They are usually the first appointment. Counselling can be held in Telugu, and the adult children who will help with decisions are welcome to join.
A dermatologist
Skin checks are the longest-running part of the plan. A dermatologist examines the whole skin, including the scalp and back, and treats basal cell carcinomas while they are small. Over the years, this is the doctor you will see most often.
A dentist and jaw surgeon
Jaw cysts are watched from late childhood and removed when they are found. A dental team that knows about the radiation question keeps X-rays to the minimum. Cysts can come back after removal, so these checks usually continue into early adulthood.
A paediatric specialist, for children
A paediatric oncologist or neurologist leads the early-childhood checks.
They usually look after
- Brain MRI for SUFU children
- Head growth and development
- A heart ultrasound in infancy
Not sure whether this applies to you?
Ask an oncologistIn order
What happens in the first few weeks and months?
A counselling appointment
You go through the report with a genetics professional. Bring any earlier skin, dental or scan reports. Ask every question, including the ones that feel awkward.
A starting check-up
A full skin examination, a jaw assessment and, for children, a head measurement and development check. Babies may have a heart ultrasound. This gives a starting point to compare against later.
A written surveillance plan
Ask for the plan on paper: which check, how often, and who does it. Keep it with the genetic report.
A radiation note on your records
Every hospital, clinic and dentist you use should know you have Gorlin syndrome, so X-rays and CT scans are used only when nothing else will do.
Telling relatives
A family letter lets parents, siblings and children be tested for the same fault if they choose.
On your report
What do the words on a PTCH1 or SUFU report mean?
- Gorlin syndrome
- The condition caused by these faults. Its longer name is naevoid basal cell carcinoma syndrome.
- Hedgehog pathway
- A chain of signals that tells cells when to grow. PTCH1 and SUFU both help keep it switched off.
- Pathogenic variant
- A change in the gene known to break it. This is what a positive result means.
- Baseline
- The first set of checks, used as a comparison for every later one.
- Palmar pits
- Tiny dents in the skin of the palms or soles. They are harmless, but they are a common sign of the syndrome.
- Hedgehog inhibitor
- A tablet that blocks the overactive growth signal. It is used for many or advanced basal cell carcinomas.
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Side by side
What changes, and what stays the same?
What changes
What stays the same
Regular skin and jaw checks, and brain checks in young children
School, work and marriage carry on as normal
X-rays and CT scans are kept to a minimum
A needed emergency scan is still done
Radiotherapy is avoided where other options exist
Most other treatments are used in the usual way
Relatives can be offered testing
Relatives who test negative need nothing extra
Being straight with you
What this page cannot tell you
It cannot interpret your report. The same gene can carry many different faults, and a report can be read wrongly without the family history beside it. What your specific variant means is a question for the counsellor who ordered the test.
Who this does not apply to
This page is for an inherited fault found in blood or saliva. If a PTCH1 change was found only inside a tumour, that is a different finding. It is common in ordinary skin cancers and does not mean the family is affected. That question belongs under targeted therapy. A variant of uncertain significance, meaning the laboratory cannot yet say whether it matters, is not a positive result either.
Where the evidence is thin
SUFU faults are much rarer than PTCH1 faults, so less is known about them. Advice for SUFU families rests on small numbers, and may change as more families are followed. Even for PTCH1, schedules come from expert groups rather than large trials. Ask your team to review the plan every time something new is found, and whenever a child moves into a new stage of life.
Commonly believed
Four fears families bring to the first appointment
"A positive result means cancer is coming soon."
Most basal cell carcinomas appear from the teenage years onwards, grow slowly and are treatable when found small. Being watched is what keeps them small.
"We should scan everything, as often as possible."
Extra scans are not safer. X-rays and CT scans can cause new skin cancers in Gorlin syndrome. A targeted plan does more good than frequent scanning.
"Treatment will mean a lot of radiotherapy."
The opposite. Radiotherapy is avoided wherever another option exists, because the treated skin can grow many new cancers later.
"Nothing can be done about the skin cancers."
Minor surgery, freezing, creams and light treatment all work on early ones. Tablets that block the growth signal help people with many or advanced tumours.
Questions we are asked
Common questions after a positive result
How soon do I need to see someone?
Within the next few weeks is usually fine. It is not an emergency. The exception is a young child with morning vomiting, headaches, unsteady walking or unusual sleepiness, who should see a doctor the same day.
Is Gorlin syndrome a type of cancer?
No. It is an inherited condition that raises the chance of some cancers and some non-cancerous growths. Many of its features, like jaw cysts and palm pits, are not cancer at all.
Will my child be able to live a normal life?
Most people with Gorlin syndrome study, work, marry and raise families. The load is regular check-ups and treating skin cancers as they appear. How heavy that load is varies a lot from person to person.
Can the gene fault be corrected?
No. A gene fault present from birth cannot be corrected or reversed. What can be managed is its effects, by finding problems early and treating them while they are small.
What are the tablets that block the growth signal?
They are called hedgehog inhibitors. They can shrink many basal cell carcinomas at once. Side effects include taste changes, muscle cramps and hair loss. They are not safe in pregnancy and are generally not used in children who are still growing.
Do I have to tell my employer or school?
No. A genetic result is private medical information. You may choose to tell a school so that sun protection is supported during outdoor activities, but that is your decision.
What will surveillance cost?
It depends on how many checks are in the plan. Brain MRI with sedation for a young child is usually the largest cost. Ask each centre for a written estimate, and check what your insurer or scheme will cover before the plan starts.
Where can we get genetic counselling in Hyderabad?
Several hospitals in the city run genetics clinics. If you are not sure where to start, call the CION helpline. We can tell you who to see, and help coordinate the oncology side of your care.
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) — Nevoid Basal Cell Carcinoma Syndrome
- MedlinePlus Genetics — Gorlin syndrome
- National Cancer Institute — Genetics of Skin Cancer (PDQ) – Health Professional Version
- NHS — Non-melanoma skin cancer
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.
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