What is Stereotactic Radiosurgery (SRS)?
Stereotactic radiosurgery (SRS) is a non-invasive form of external beam radiation therapy (EBRT) utilized to precisely target tumors and other abnormalities in various parts of the body, such as the brain, neck, lungs, liver, and spine. Unlike traditional surgery, SRS surgery does not involve any incisions. Instead, it employs advanced 3D imaging technology to deliver highly concentrated radiation beams to the affected area with pinpoint accuracy. This technique is commonly performed by radiation oncologists and neurosurgeons to treat small cancerous tumors, benign growths, and brain abnormalities, including metastatic brain tumors, meningiomas, and chordomas.
By precisely targeting the affected area, stereotactic radiosurgery minimizes damage to surrounding healthy tissues and reduces the risk of infection, making it a safer option for patients, particularly those who have recently undergone surgery. The decision to undergo SRS is based on individual health factors and the specific medical condition being treated, rather than a predetermined age threshold.
Types of stereotactic radiosurgery
Stereotactic radiosurgery types include:
- Gamma Knife for brain tumors
- Stereotactic Body Radiation Therapy (SBRT) for small cancerous tumors
- Proton therapy for central nervous system cancers
- Linear Accelerator (LINAC) for image-guided and intensity-modulated radiation therapy
| Procedure Name | Stereotactic Radiosurgery (SRS) |
|---|---|
| Type of Surgery | Radiation therapy |
| Type of Anesthesia | Local Anesthesia |
| Procedure Duration | 1 to 4 hours |
| Recovery Duration | No extensive recovery required |













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