TO THE EDITOR: We have read with great interest the recent article by Phan et al.,5 discussing the role of Gamma Knife surgery (GKS) for trigeminal neuralgia (TN) secondary to recurrent malignant skull base tumors (Phan J, Pollard C III, Brown PD, et al: Stereotactic radiosurgery for trigeminal pain secondary to recurrent malignant skull base tumors. J Neurosurg [epub ahead of print April 27, 2018. DOI: 10.3171/2017.11.JNS172084]). The authors nicely discuss tumor control, symptom palliation, and opioid use/dependency.
The authors’ study highlights several important aspects. First, it underlines the role of single-fraction GKS as
ParkSCLeeDHLeeJK: Two-session tumor and retrogasserian trigeminal nerve-targeted Gamma Knife radiosurgery for secondary trigeminal neuralgia associated with benign tumors. World Neurosurg96:136–1472016
PhanJPollardCIIIBrownPDGuha-ThakurtaNGardenASRosenthalDI: Stereotactic radiosurgery for trigeminal pain secondary to recurrent malignant skull base tumors. J Neurosurg[epub ahead of print April 27 2018; DOI: 10.3171/2017.11.JNS172084]
QuanKXuKMZhangYClumpDAFlickingerJCLalondeR: Toxicities following stereotactic ablative radiotherapy treatment of locally-recurrent and previously irradiated head and neck squamous cell carcinoma. Semin Radiat Oncol26:112–1192016
SmithWPYoungLAPhillipsMHCheungMHalaszLMRockhillJK: Clinical positioning accuracy for multisession stereotactic radiotherapy with the Gamma Knife Perfexion. Technol Cancer Res Treat:15330346177088842017
ZhaoLZhouSBalterPShenCGomezDRWelshJD: Planning target volume D95 and mean dose should be considered for optimal local control for stereotactic ablative radiation therapy. Int J Radiat Oncol Biol Phys95:1226–12352016