Treatment planning of vestibular schwannoma with I. Paddick

Elekta demonstrates the benefits of Gamma Knife radiosurgery for vestibular schwannoma.

This video explores how Ian Paddick, a medical physicist with 15 years of experience in radiosurgery, uses Lexell Gamma Plan to produce a conformal and high gradient treatment plan for a vestibular schwannoma patient. He shows how to outline the target and the organs at risk, how to use the inverse planning feature, and how to apply dynamic shaping to protect the cochlear and preserve the hearing of the patient.

Vestibular schwannoma, also known as acoustic neuroma, is a benign tumor that grows on the nerve that connects the inner ear to the brain. It can cause hearing loss, tinnitus, vertigo, and facial paralysis. Vestibular schwannoma radiology is the use of imaging techniques such as MRI or CT scan to diagnose and monitor the tumor.

Vestibular schwannoma treatment options include observation, surgery, or radiosurgery. Gamma Knife radiosurgery is a non-invasive procedure that delivers precise beams of radiation to the tumor, sparing the surrounding healthy tissue. Gamma Knife radiosurgery is an effective and safe option for patients with vestibular schwannoma, especially those who are not suitable for surgery or have residual or recurrent tumor after surgery.

If you'd like to know more about Gamma Knife Radiosurgery practices, visit our playlist here:
   • Stereotactic Radiosurgery: Gamma Knife  

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Chapters:
0:00 – Intro
0:41 – A Conformal Treatment Plan for a Vestibular Schwannoma
2:27 – Setting up the Inverse Planning Parameters
3:39 – Filling the Target
6:06 – Previewing the Treatment Protocol