Comparison of intensity modulated radiotherapy (IMRT) with intensity modulated particle therapy (IMPT) using fixed beams or an ion gantry for the treatment of patients with skull base meningiomas

Table 1 Clinical features of five meningioma patients

Patient No.	Sex	Age (years)	Tumor site	Histopathology	Target volume (cm³)
1	Male	61	ethmoid sinus	WHO I	76.62
2	Female	45	left skull base	WHO I	54.7
3	Male	39	right skull base	WHO I	77.4
4	Female	81	skull base - left temporal lobe	WHO I	170.3
5	Male	66	left skull base	WHO I	17.0

ISSN: 1748-717X