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Radiotherapy

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What is Radiotherapy?

Radiotherapy is a painless cancer treatment using high-energy particles or waves such as x-rays, gamma-rays, electron beams or protons to kill or shrink cancer cells. It can have a targeted, powerful effect on tumours that are confined to a specific area.

Radiotherapy Is Delivered By

A machine outside the body (external-beam radiation therapy)

Come from a radioactive material placed in the body near cancer cells (Brachytherapy radiotherapy)

Systemic radiotherapy uses a radioactive substance which travels in the blood to kill cancer cells

Types of radiotherapy

Internal radiation therapy, in which a radioactive substance is placed in or close to the cancerous tissue as a temporary or permanent implant.

External beam radiation therapy, in which the beam of radiation is focused onto the treatment area by an external machine

Radiotherapy Can Be Used

To cure or shrink early-stage cancer (curative radiotherapy).

To stop cancer from recurring or treat symptoms caused by advanced cancer (palliative radiotherapy).

To help other treatments to be more effective as it can be combined with chemotherapy or using before surgery (neo-adjuvant radiotherapy) as synergistic treatment.

To relieve symptoms in advanced cancer that cannot be cured—palliative radiotherapy helps shrink tumours and reduce pain.

Oncologist’s prescription on radiotherapy treatment depends on factors such as:

Type and size of cancer

Location of cancer

The general health of patients, etc.

Types of radiotherapy

Redefining Treatment Planning with Eclipse v18.1

Improved Imaging Calibration

Supports up to 20 calibration protocols per imaging device, enabling automated selection based on image type and energy for safer, more efficient advanced imaging.

Smarter Plan Checker Features

Tailor treatment plans with improved multi-workspace integration and better documentation tools for streamlined reviews.

New Level of Precision with ELM

Enhanced Leaf Modelling (ELM) provides a new level of precision in dose calculations for radiation therapy, particularly for small field sizes and dynamic MLC sequences. More accurate treatment delivery to the patients

Before
After

How Eclipse Treatment Planning is done?

The SBRT Normal Tissue Objective (NTO) improves the precision of radiotherapy by intelligently guiding dose distribution to minimize exposure to surrounding healthy tissues while maintaining optimal tumor coverage.

By automatically shaping and refining dose gradients, SBRT NTO reduces the complexity of treatment planning, enabling clinicians to generate consistent, high-quality plans with greater efficiency and confidence.

This empowers radiation oncology teams to achieve better clinical outcomes with streamlined workflows and reduced planning variability.

Side effects of radiation therapy

The side effects of radiotherapy depend on the location of the treated area, the dosage of radiation, duration of treatment, patient’s general medical conditions and other treatments given at the same time.

Side effects are divided by

Early (acute)

Late (chronic)
side effects

Predictable

Expected

Acute side effects are caused by damage to the rapidly dividing normal cells at the area being treated. These include:

Skin irritation
Hair loss
Urinary problems
Mouth and throat ulcers
Damage to the salivary gland

Chronic side effects occur months to years after treatment and are often localized to the treatment site, examples of chronic side effects are

Fibrosis (scarring of tissues)
Cognitive decline
Infertility
Damage to the bowel (radiation enteropathy)
Secondary cancer

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Information

Visiting Hours:
10:00 – 22:00
General Line:
+603 7620 7979 +603 7787 2992
Consultants Appointment Line:
+603 7118 7878 +6012 328 6913
Email:
info@beaconhospital.com.my
Career Enquiries / HR:
joinus@beaconhospital.com.my

Beacon Hospital Sdn. Bhd.

200301019556 (621976-D)
1, Jalan 215, Seksyen 51,
Off Jalan Templer,
46050 Petaling Jaya, Selangor.

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