Precise, Non-Invasive Treatment for Brain Tumors & Vascular Conditions
Stereotactic radiosurgery (SRS) is a highly precise, non-invasive treatment that uses focused radiation beams to treat brain tumors, arteriovenous malformations (AVMs), acoustic neuromas, pituitary tumors, and other neurological conditions. Despite the name, no incision is made during radiosurgery. SRS delivers targeted radiation directly to abnormal tissue while minimizing exposure to surrounding healthy brain structures.
At Midwest Spine & Brain Institute, our experienced neurosurgical team works closely with radiation oncology specialists to create individualized treatment plans using advanced stereotactic technology for patients across Minnesota and Wisconsin.
What Is Stereotactic Radiosurgery?
Stereotactic radiosurgery is an advanced form of radiation therapy that delivers concentrated beams of radiation to a precisely defined target in the brain or spine. The treatment is designed to damage abnormal cells while protecting nearby healthy tissue.
SRS may be completed in:
- A single treatment session
- Several smaller treatment sessions (fractionated stereotactic radiotherapy)
Because the radiation is delivered with extreme accuracy, SRS can often treat conditions that are difficult to reach with conventional surgery.
Conditions Treated with Stereotactic Radiosurgery
SRS is commonly used to treat both benign and malignant neurological conditions, including:
- Brain tumors
- Metastatic brain tumors
- Acoustic neuromas
- Pituitary adenomas
- Meningiomas
- Arteriovenous malformations (AVMs)
- Trigeminal neuralgia
- Recurrent brain tumors
- Certain spinal tumors
Related Conditions & Treatments:
- Brain Tumors
- Acoustic Neuroma
- Pituitary Tumors
- Arteriovenous Malformations (AVMs)
- Skull Base Tumors
- Neuro-Oncology
- Craniotomy
- Minimally Invasive Neurosurgery
How Stereotactic Radiosurgery Works
SRS uses advanced imaging guidance and computer-assisted planning to precisely target abnormal tissue.
The treatment process typically includes:
- Detailed MRI or CT imaging
- Computerized treatment mapping
- Precise positioning and immobilization
- Delivery of focused radiation beams
- Post-treatment monitoring
The radiation damages the DNA of abnormal cells, stopping them from growing or causing the lesion to gradually shrink over time.
Types of Stereotactic Radiosurgery
Several advanced technologies may be used for stereotactic radiosurgery.
Linear Accelerator (LINAC)
LINAC systems use high-energy X-rays (photons) to deliver focused radiation from multiple angles around the body. These systems are commonly used for both brain and spinal lesions.
Gamma Knife Radiosurgery
Gamma Knife uses highly focused gamma radiation beams directed at a precise target within the brain. It is commonly used for:
- Brain metastases
- Acoustic neuromas
- AVMs
- Trigeminal neuralgia
- Pituitary tumors
Proton Beam Therapy
Proton therapy uses charged proton particles rather than standard photon radiation. This approach may reduce radiation exposure to nearby healthy tissue in select cases.
Your neurosurgeon and radiation oncology team will determine which technology is most appropriate based on your diagnosis, tumor size, location, and overall health.
Symptoms That May Lead to SRS Evaluation
Patients may be evaluated for stereotactic radiosurgery if they experience symptoms related to a brain tumor or vascular abnormality, including:
- Persistent headaches
- Hearing loss
- Balance problems
- Vision changes
- Facial pain
- Seizures
- Weakness or numbness
- Hormonal imbalances
- Cognitive or neurological changes
Who Is a Candidate for Stereotactic Radiosurgery?
SRS may be recommended for patients who:
- Have small-to-medium-sized brain tumors
- Have lesions located near sensitive brain structures
- Are not ideal candidates for open surgery
- Need treatment for recurrent tumors
- Prefer a non-invasive option
- Require treatment for multiple brain metastases
Not every patient is a candidate for radiosurgery. A comprehensive evaluation with advanced imaging is necessary to determine the safest and most effective treatment approach.
Benefits of Stereotactic Radiosurgery
SRS offers several important advantages compared to traditional surgery.
Potential benefits include:
- No surgical incision
- No general anesthesia in many cases
- Outpatient or short hospital stay
- Minimal recovery time
- Reduced risk of infection
- Precise targeting of abnormal tissue
- Lower impact on surrounding healthy brain tissue
- Ability to treat hard-to-reach lesions
Risks and Potential Complications
Although stereotactic radiosurgery is considered safe and effective, all medical procedures carry some risk.
Possible side effects or complications may include:
- Fatigue
- Headache
- Temporary swelling in the brain
- Nausea
- Radiation-related tissue changes
- Temporary neurological symptoms
- Rare delayed complications
Your care team will discuss your individual risks before treatment.
Recovery After Stereotactic Radiosurgery
Most patients return home the same day or shortly after treatment.
Recovery expectations may include:
- Mild fatigue for several days
- Minimal physical restrictions
- Follow-up MRI scans to monitor response
- Gradual tumor shrinkage over weeks to months
Unlike traditional surgery, SRS does not require large incisions or extensive rehabilitation in most cases.
Stereotactic Radiosurgery vs Traditional Brain Surgery
| Feature | Stereotactic Radiosurgery | Traditional Brain Surgery |
| Incision Required | No | Yes |
| Hospital Stay | Usually outpatient | Several days possible |
| Recovery Time | Short | Longer |
| Anesthesia | Often minimal | General anesthesia |
| Tissue Removal | No | Yes |
| Best For | Small targeted lesions | Large or complex masses |
When to See a Neurosurgeon
You should seek evaluation from a neurosurgical specialist if you experience:
- Persistent neurological symptoms
- Newly diagnosed brain tumors
- Recurrent brain lesions
- Seizures
- Unexplained balance or vision problems
- Facial nerve symptoms
- Diagnosed AVMs or pituitary tumors
Early diagnosis and treatment may improve long-term outcomes.
Why Choose Midwest Spine & Brain Institute?
Midwest Spine & Brain Institute provides advanced neurological care with a multidisciplinary approach focused on precision, safety, and patient-centered treatment.
Our team includes highly experienced, board-certified neurosurgeons specializing in complex cranial and neurovascular conditions, including:
- Eric S. Nussbaum
- Meysam A. Kebriaei
Our specialists collaborate closely with radiation oncology experts to develop personalized treatment plans using the latest stereotactic technologies.
Patients throughout Minnesota and Wisconsin trust Midwest Spine & Brain Institute for advanced brain tumor, skull base, and cerebrovascular care.
Frequently Asked Questions About Stereotactic Radiosurgery
Is stereotactic radiosurgery actually surgery?
No. Stereotactic radiosurgery does not involve incisions or traditional surgical techniques. It uses highly focused radiation beams to treat abnormal tissue.
What conditions can SRS treat?
SRS is commonly used for brain tumors, metastatic tumors, acoustic neuromas, pituitary adenomas, AVMs, trigeminal neuralgia, and certain spinal tumors.
How long does stereotactic radiosurgery take?
Treatment may take anywhere from 30 minutes to several hours depending on the condition being treated and the technology used.
Is Gamma Knife the same as stereotactic radiosurgery?
Gamma Knife is one type of stereotactic radiosurgery system specifically designed for treating brain conditions.
Is stereotactic radiosurgery painful?
Most patients experience little to no pain during treatment. Some patients may experience temporary discomfort from positioning devices or mild fatigue afterward.
How successful is stereotactic radiosurgery?
Success rates vary depending on the condition being treated, but SRS is highly effective for many benign and malignant brain lesions.
How soon will I see results after SRS?
Some lesions respond gradually over weeks or months. Follow-up imaging is used to monitor treatment effectiveness.
What are the side effects of stereotactic radiosurgery?
Common side effects may include fatigue, headaches, or temporary swelling. Serious complications are uncommon but can occur.
Can stereotactic radiosurgery replace open brain surgery?
In some cases, yes. However, certain tumors or lesions still require traditional surgery depending on size, location, and symptoms.
Will I need follow-up imaging after treatment?
Yes. MRI or CT scans are typically scheduled after treatment to evaluate the response and monitor long-term outcomes.
Conclusion
Stereotactic radiosurgery offers a precise, non-invasive treatment option for many brain tumors, vascular abnormalities, and neurological conditions. Using advanced imaging and targeted radiation technology, SRS can effectively treat lesions while minimizing damage to healthy tissue.
Midwest Spine & Brain Institute provides expert evaluation and advanced treatment planning for patients seeking leading-edge neurosurgical care across Minnesota and Wisconsin.
Schedule a Consultation
If you or a loved one has been diagnosed with a brain tumor, AVM, acoustic neuroma, or another neurological condition, contact Midwest Spine & Brain Institute to discuss whether stereotactic radiosurgery may be right for you.