Initial search found the following info: Gamma Knife® surgery is recognized worldwide as the preferred treatment for brain tumors, arteriovenous malformations and brain dysfunctions such as trigeminal neuralgia. It is supported by over 2,500 peer reviewed research articles that are primarily published in neurosurgery journals. More Info on IRSA® (International RadioSurgery Association) website, which also has the listing of the local facility around the world using this technology.
Further search found the usage of this technology on Gliomas (the ‘G’ in DIPG) reported at Gamma Knife Surgery website. But it does indicat that most of the brain stem tumors (such as ‘PG’) cannot be surgically removed. Summary “..Several different treatments may be used to treat gliomas. The decision for treatment is dependent upon many factors including the size of the tumor, its growth rate, and the symptoms produced by the tumor. In addition, the patient’s health and physical status may also affect the treatment process. Tumors may be treated with surgery, with chemotherapy, with radiation, or a combination of all of these.
