Type 3

Published on 12 October 2026 at 10:17

What is Type 3 Neuroblastoma?

Neuroblastoma is a rare type of childhood cancer that develops from immature nerve cells. It most commonly affects babies and children under five years old.

The term Type 3 neuroblastoma is not a universally recognised modern classification. Older classification systems and different medical sources may use terminology differently, so the exact meaning depends on the source.

Neuroblastoma usually begins in the adrenal glands, which sit above the kidneys, but it can also develop in the chest, abdomen, neck or along the spine.

What happens in the body?

Neuroblastoma develops when immature nerve cells grow abnormally and form a tumour. Some tumours grow slowly, while others can grow quickly and spread to other parts of the body, including the bones, liver, lymph nodes or bone marrow.

Doctors carry out specialist tests to understand how the tumour may behave and decide which treatment is most appropriate for the child.

What symptoms can occur?

Symptoms depend on where the tumour develops and whether it has spread. They may include:

  • A lump or swelling in the tummy, chest or neck.

  • Tummy pain or discomfort.

  • Unusual tiredness or weakness.

  • Loss of appetite or unexplained weight loss.

  • Bone pain.

  • Unexplained bruising, sometimes around the eyes.

These symptoms can have many causes and do not automatically mean a child has cancer. Persistent or unexplained symptoms should be discussed with a healthcare professional.

How is neuroblastoma diagnosed?

Doctors may use several tests, including:

  • Imaging scans: Ultrasound, MRI, CT or specialised scans to locate the tumour.

  • Blood and urine tests: To look for substances associated with neuroblastoma.

  • Biopsy: A sample of the tumour examined under a microscope.

  • Genetic testing: To identify changes that can help doctors understand the tumour and guide treatment.

Not every child will need every test.

How is it treated?

Treatment depends on the child's age, the tumour's location, its biological features and whether it has spread.

Treatment may include surgery, chemotherapy, immunotherapy, radiotherapy or other specialist treatments. Some children may need close monitoring, while others require a combination of treatments.

Every child's treatment plan is individual and is carefully managed by a specialist team.

Raising awareness 💗

At The Millie Rose Foundation, we believe every child deserves the best possible care and every family deserves compassion and support.

By raising awareness of childhood cancers such as neuroblastoma, we hope to improve understanding, encourage continued research and support families facing difficult diagnoses.

In memory of Millie Rose Hedley, we remain committed to raising awareness of all childhood cancers and helping families feel less alone.

💗 Every child matters. Every family matters. Every story matters.

Please note: “Type 3 neuroblastoma” is not a universally used modern classification. If you have seen this term in a particular medical source, its exact meaning may depend on the classification being used. This blog is for general awareness and is not a substitute for medical advice.

 


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