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SBRT Singapore

Frameless Stereotactic Radiosurgery for Brain & Spine Tumors

A Bloodless, Non-invasive, Outpatient Treatment for Brain and Spine Tumors

What is Stereotatic Radiosurgery?

What is Radiosurgery?

Stereotatic Radiosurgery (SRS) is a highly targeted and focused radiation treatment which delivers extremely high doses of radiation directly to the target to destroy it.


The term stereotactic is a term used in Neurosurgery to refer to the ability to accurately identify a point in 3-dimensional space. Radiosurgery uses technology used in neurosurgery to destroy the tumour. For more technical details, please see here.

Stereotactic Radiosurgery Singapore

Modern Linear Accelerator with 6 degrees of freedom robotic couch

Today, Frameless Radiosurgery is possible with modern navigational techniques such that patients no longer need to have a metal frame screwed into their skull for accurate targeting


Modern digital navigation achieves sub-mm accuracy

Brain Metastasis
Surgery vs Radiosurgery

Understanding the difference between Surgery and Radiosurgery

Surgery involves physically cutting through tissue and bone to reach the tumor so as to remove it from the body.

Radiosurgery does not involve any cutting at all. The name was given because after destroying the tumor with high doses of focused radiation, the body automatically removes the dead cells, and the cure rate is as if surgery was done 

Breast Cancer Brain Metastasis

- before SRS

Complete response 3 months after SRS

Spine Metastasis

Spine Metastasis strangulating the spinal cord and compressing the surrounding thecal sac. 

6 months after SRS, tumor has shrunk and the the spinal cord is no longer compressed. Patient no longer has pain and weakness

It is completely painless, bloodless and is done as an outpatient procedure.

Patient does not need to undergo open surgery and does not suffer from operation risks

SRS vs Other RTs

Our Brain & Spine Radiosurgery Specialist


Dr Daniel Tan Yat Harn

Medical Director & Senior Consultant Radiation Oncologist (Clinical Oncologist)

MBBS (SIN), FRCR (Clinical Oncology, UK)

FAMS (Radiation Oncology)

MBA (Healthcare Management)


Clinical Interest:

Stereotactic Radiosurgery (SRS/SBRT)

Brain and Spine, Breast and Prostate Cancers

View Dr Daniel Tan's full profile here.

Radiosurgery Articles & Publications by Dr Daniel Tan:

Local experience with radiosurgery for vestibular schwannomas

Source: Singapore Medical Journal, 2018

Hypofractionated Stereotactic Radiosurgery for Management of Large Brain Metastases in Heavily Pre-treated Non–small Cell Lung Cancer Patients

Source: International Journal of Radiation Oncology, 2017

Scientific Editorial
Technical know-how in stereotactic ablative radiotherapy
Source : Journal of Medical Radiation Sciences, published 03 March 2016

Frameless Stereotactic Radiosurgery
Source : Medical Grapevine, August 2015

Radiosurgery offers hope for treatment of Spinal tumour

Source: The Straits Times, September 2015

Hypofractionated Stereotactic Radiosurgery for the Treatment of Large Brain Metastases

Source: International Journal of Radiation Oncology, 2014

Frameless linac-based stereotactic radiosurgery treatment for SUNCT syndrome

Source: Sage Journal,  26 April 2013

View more Articles & Publications by Dr Daniel Tan here.

Our Radiosurgery Specialist

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