Retinoblastoma occurs when the cells in the retina grow uncontrollably due to genetic mutations. These mutations may arise spontaneously or be inherited. Retinoblastoma is more common in children under five years old and can affect one or both eyes. While this condition is rare, it accounts for 2-3% of all childhood cancers.

Early detection is very important since timely intervention preserves vision and prevents the cancer from spreading. Common symptoms include a white reflection in the pupil, misaligned eyes, or redness and swelling. Diagnosis involves eye examinations, imaging, and genetic testing. Treatment options include chemotherapy, laser therapy, cryotherapy, and, in severe cases, eye removal. Awareness and prompt action hugely improve outcomes for children with retinoblastoma.

Causes Of Retinoblastoma
Diagnosis of Retinoblastoma
Retinoblastoma Treatment Options
Preventive Measures and Early Detection
Did You Know?
Conclusion
When to Seek Help
Frequently Asked Questions about Retinoblastoma in Children

Causes Of Retinoblastoma

1. Genetic Mutations

Mutations in the RB1 gene are the primary cause. This gene regulates cell growth, and its dysfunction leads to uncontrolled cellular proliferation.
Hereditary retinoblastoma occurs when children inherit a defective RB1 gene from a parent.

2. Sporadic Mutations: In non-hereditary cases, the RB1 gene mutation occurs randomly during early development. These cases are usually limited to one eye (unilateral).

3. Family History: A child with a family history of retinoblastoma is at a higher risk of developing the disease.

Symptoms of Retinoblastoma

Leukocoria (White Pupil Reflex): A white or yellowish reflection from the pupil, often noticeable in photographs taken with a flash.
Strabismus (Crossed Eyes): Misaligned eyes due to impaired vision in the affected eye.
Eye Redness and Swelling: Persistent redness or swelling may indicate an advanced stage of the disease.
Vision Problems: Difficulty focusing, poor vision, or an inability to track objects.
Pain in the Eye: Discomfort or pain, especially in advanced cases.

Diagnosis of Retinoblastoma

Paediatric ophthalmologists use the following tools to detect retinoblastoma:

Ophthalmoscopy: A detailed examination of the retina under anaesthesia.
Imaging Tests: MRI or CT scans help identify the tumour and assess its extent.
Genetic Testing: Detects mutations in the RB1 gene and determines if the condition is hereditary.

Retinoblastoma Treatment Options

Treatment for retinoblastoma depends on the tumour’s size, location, and whether it has spread. Below are the common retinoblastoma treatment options:

1. Chemotherapy

Systemic chemotherapy shrinks tumours and prepares them for localised treatments.
Intra-arterial chemotherapy delivers medication directly to the eye via the ophthalmic artery, reducing systemic side effects.

2. Laser Therapy: Laser photocoagulation destroys the blood vessels feeding the tumour. This is effective for small tumours.

3. Cryotherapy: Freezing techniques target and eliminate small tumours near the retina’s edges.

4. Radiation Therapy: External beam radiation treats large or persistent tumours but is used cautiously due to potential long-term side effects.

5. Enucleation: If the tumour is extensive and vision cannot be saved, surgical removal of the eye may be necessary to prevent the spread of cancer.

6. Follow-Up Care: Regular monitoring and follow-ups ensure early detection of recurrence or secondary cancers, particularly in hereditary cases.

Preventive Measures and Early Detection

Parents should remain vigilant for signs like leukocoria or strabismus. Children with a family history of retinoblastoma should undergo genetic screening and regular eye exams. Early diagnosis significantly increases survival rates and reduces complications.

Myths and Facts About Retinoblastoma

Myth 1: Retinoblastoma only occurs in hereditary cases.
Fact: While genetic factors play a role, many cases are sporadic, with no family history involved.

Myth 2: Retinoblastoma always requires removal of the eye.
Fact: Enucleation is only necessary for advanced cases. Early detection allows for eye-preserving treatments.

Myth 3: A white reflex in photos is harmless.
Fact: Leukocoria can be an early symptom of retinoblastoma. Any such sign warrants immediate medical evaluation.

Myth 4: Retinoblastoma cannot recur after treatment.
Fact: There is a risk of recurrence, especially in hereditary cases. Regular follow-ups are essential.

Myth 5: Children with retinoblastoma cannot lead normal lives.
Fact: With timely treatment and rehabilitation, most children recover fully and adapt well to any vision loss.

Did You Know?

Retinoblastoma has a survival rate of over 95% when detected early and treated promptly.
Genetic counselling is highly recommended for families with a history of retinoblastoma to assess the risk in future generations.

Conclusion

Retinoblastoma in children is a manageable condition when identified early and treated effectively. Awareness of its causes, symptoms, and treatment options empowers parents and caregivers to take timely action. Paediatric eye exams and genetic testing are important for children at risk.

When to Seek Help

Consult a healthcare provider immediately if your child exhibits symptoms such as a white glow in the pupil (visible in photos with a flash), crossed eyes, poor vision, eye swelling, or redness.

At Narayana Health, our paediatric oncology and ophthalmology specialists provide advanced care and personalised treatment plans to support your child’s health and recovery.

Schedule a consultation today— Call us @ 08068617735

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