15 Frequently Asked Questions : Gamma Knife Treatment in India for Bangladeshi Patients

Q1 · What is Gamma Knife Treatment?

Gamma Knife is a form of stereotactic radiosurgery that delivers focused radiation to a precisely defined target.

It may be used for selected

• Brain tumours
• Brain metastases
• Meningiomas
• Vestibular schwannomas
• Arteriovenous malformations
• Certain other intracranial lesions
• Selected functional neurological conditions

Gamma Knife does not involve cutting the brain with a surgical knife. The treatment uses multiple radiation beams directed at the target from different angles. The beams converge at the treatment area, allowing a high radiation dose to be delivered to the target while reducing exposure to surrounding tissue.

Depending on the condition, Gamma Knife may be used as

• Primary treatment
• Additional treatment after surgery
• Treatment for residual or recurrent disease
• An alternative to conventional surgery in selected cases

Q2 · How much does Gamma Knife Treatment cost in Bangladesh compared with India?

The cost depends on the diagnosis, size and number of lesions, treatment planning, number of sessions and hospital.

For indicative comparison

• US$1 ≈ BDT 122
• US$1 ≈ INR 96

The final cost may depend on

• Type of lesion
• Size of lesion
• Number of lesions
• Location
• Radiation dose
• Treatment planning
• Imaging
• Number of sessions
• Specialist fees
• Medical physics planning
• Hospital charges
• Follow-up imaging

Patients should request a written quotation identifying all included and excluded services.

Q3 · Which Indian cities can Bangladeshi patients consider for Gamma Knife Treatment?

Availability of a specific Gamma Knife programme should be confirmed with the hospital before travel.

Q4 · Which hospitals in India can Bangladeshi patients consider for Gamma Knife Treatment?

Patients should specifically confirm availability of Gamma Knife treatment before selecting a hospital.

Q5 · What types of Gamma Knife Treatment are available?

Gamma Knife may be used for selected conditions such as:

1. Brain Tumours

Selected benign and malignant tumours may be treated using stereotactic radiosurgery.

2. Brain Metastases

Selected patients with metastatic brain lesions may be considered for focused radiation.

3. Meningiomas

Some appropriately located meningiomas may be treated with Gamma Knife.

4. Vestibular Schwannoma

Selected smaller or appropriately positioned tumours may be treated using stereotactic radiosurgery.

5. Arteriovenous Malformations

Gamma Knife may be used for selected AVMs.

6. Recurrent or Residual Tumours

It may be considered for selected residual or recurrent lesions following previous treatment.

7. Functional Conditions

Stereotactic radiosurgery may have specialised applications in selected neurological conditions.

Treatment suitability depends on individual clinical assessment.

Q6 · Who may be suitable for Gamma Knife Treatment?

Patients may be considered when they have

• Appropriately sized brain tumours
• Selected brain metastases
• Selected meningiomas
• Vestibular schwannoma
• Certain vascular malformations
• Selected recurrent or residual lesions
• Other conditions for which stereotactic radiosurgery is appropriate

The specialist may consider

• Lesion size
• Number of lesions
• Location
• Distance from critical structures
• Previous surgery
• Previous radiotherapy
• Patient's general health
• Neurological symptoms

Gamma Knife may not be suitable for very large lesions or conditions requiring immediate decompression.

Q7 · What tests are required before Gamma Knife Treatment?

Patients may require

• MRI brain
• Contrast-enhanced MRI
• CT imaging where required
• Neurological examination
• Previous pathology reports
• Previous treatment records
• Blood tests where indicated
• Additional imaging for vascular lesions
• Other disease-specific tests

For AVMs and other vascular conditions, angiographic imaging may be required. The specialist uses imaging to determine whether the lesion can be safely treated with stereotactic radiosurgery.

Q8 · What medical records should Bangladeshi patients send before travelling?

Patients should provide

• MRI brain images and reports
• CT scans where applicable
• Previous biopsy reports
• Histopathology reports
• Previous surgery records
• Previous radiotherapy records
• Chemotherapy records where applicable
• Neurology and neurosurgery consultation reports
• Medication list
• Recent blood-test reports

Actual imaging files should be shared whenever possible.

Q9 · How does Gamma Knife Treatment work?

The treatment generally follows these stages:

Step 1: Specialist Evaluation

The medical team reviews the diagnosis and imaging.

Step 2: Treatment Planning

The target is identified using detailed imaging.

Step 3: Immobilisation

The patient's head is positioned and stabilised using the appropriate Gamma Knife system.

Step 4: Imaging and Target Localisation

Imaging is used to accurately define the treatment target.

Step 5: Radiation Planning

The medical physics and radiation oncology team determines the appropriate radiation dose and treatment plan.

Step 6: Gamma Knife Treatment

Multiple focused radiation beams are directed toward the target.

Step 7: Observation

The patient is monitored after treatment.

Step 8: Follow-Up

Follow-up imaging is scheduled to assess the response.

Gamma Knife is generally non-invasive and does not require a conventional surgical incision.

Q10 · What are the alternatives to Gamma Knife Treatment?

Depending on the diagnosis, alternatives may include

• Conventional brain surgery
• Observation
• Conventional radiotherapy
• Fractionated stereotactic radiotherapy
• CyberKnife treatment
• Endovascular treatment for selected vascular conditions
• Medication
• Chemotherapy
• Targeted therapy
• Immunotherapy

The appropriate option depends on the lesion and patient's clinical condition.

Q11 · What should Bangladeshi patients ask before accepting a Gamma Knife quotation?

• What is the exact diagnosis?
• Is Gamma Knife appropriate for the condition?
• What is the size of the lesion?
• How many lesions are being treated?
• What is the treatment objective?
• What radiation dose is planned?
• How many sessions are required?
• Is treatment performed in one session?
• Are imaging charges included?
• Are treatment-planning charges included?
• Are medical physics charges included?
• Are specialist fees included?
• Are medicines included?
• Are hospital charges included?
• Are additional investigations included?
• Is admission required?
• What side effects are possible?
• What is the expected recovery time?
• When can the patient return to Bangladesh?
• When is follow-up imaging required?
• How often will follow-up be needed?
• Could another treatment be required?
• What additional costs could arise?
• What records will be provided after treatment?
• How will follow-up be coordinated in Bangladesh?

Q12 · How long should Bangladeshi patients stay in India?

Gamma Knife treatment may require a shorter hospital stay than conventional brain surgery.

However, Bangladeshi patients should allow time for

• Specialist consultation
• Imaging
• Treatment planning
• Gamma Knife procedure
• Immediate observation
• Post-treatment review

The total stay may vary according to the diagnosis and whether additional investigations or treatment are required. Patients should confirm their return-flight timing with the treating team.

Q13 · What is recovery like after Gamma Knife Treatment?

Gamma Knife is generally less invasive than conventional brain surgery.

Some patients may experience

• Fatigue
• Headache
• Nausea
• Temporary swelling-related symptoms
• Local discomfort
• Other treatment-specific effects

Most patients do not require a long surgical recovery period. However, the biological effect of radiosurgery can take time, and follow-up imaging may be required over the following months. Patients should follow the specialist's instructions regarding medication and follow-up.

Q14 · How can follow-up be managed after returning to Bangladesh?

Before leaving India, patients should obtain

• Treatment summary
• Gamma Knife treatment plan
• Radiation dose information
• Imaging reports
• Medication instructions
• Follow-up schedule

Follow-up may involve

• Neurosurgeon
• Radiation oncologist
• Neurologist
• Neuro-oncology specialist where applicable

MRI or other imaging may be required to evaluate treatment response. Patients should retain copies of all treatment records and imaging for future consultations in Bangladesh.

Q15 · Should a Bangladeshi patient travel to India for Gamma Knife Treatment?

Bangladeshi patients considering Gamma Knife Treatment in India should first have their medical records and imaging reviewed by an appropriate specialist.

Before travelling, patients should understand

• Exact diagnosis
• Lesion size and location
• Number of lesions
• Whether Gamma Knife is suitable
• Proposed radiation plan
• Expected treatment duration
• Estimated cost
• Possible side effects
• Follow-up requirements
• Expected duration of stay in India

The decision should be based on individual specialist evaluation.