Incidence and dosimetric parameters for brainstem necrosis following intensity modulated radiation therapy in nasopharyngeal carcinoma

Nasopharyngeal carcinoma (NPC) is a malignancy of the nasopharyngeal epithelium with a distinct epidemiology compared to other head and neck squamous cell carcinomas. The incidence of NPC is extremely high (15–50 per 100,000) in southern China, but extremely low in most other countries [1].

http://ift.tt/2jJKqLV