MR Fingerprinting (MRF) will be performed in patients who will be treated with Gamma Knife radio surgery for a vestibular schwannoma before the intervention. Fifty patients will be included with a vestibular schwannoma of minimum 1cm in size. During follow-up, response of the tumor to radiosurgery will be evaluated for each patient with MRI. The aim of the study is to find patterns of vestibular schwannomas in MRF data which correlate with the type of response to radio surgery, i.e. tumor control after radiosurgery, further tumor growth despite radiosurgery, cystic transformation after radiosurgery.
Study Type
OBSERVATIONAL
Enrollment
50
Specific Magnetic Resonance Imaging protocol
Medical University of Vienna
Vienna, Austria
RECRUITINGTumor control
Number of patients without further growth of the tumor on follow-up MRI after radiosurgery
Time frame: 3 years
Tumor growth
Number of patients with growth of the tumor on follow-up MRI after radiosurgery
Time frame: 3 years
Cystic transformation
Number of patients with cystic transformation of the tumor on follow-up MRI after radiosurgery
Time frame: 3 years
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