Prognostic value of prepontine cistern invasion in nasopharyngeal carcinoma treated by intensity-modulated radiotherapy.

OBJECTIVES To investigate the prognostic value of prepontine cistern invasion (PPCI) in nasopharyngeal carcinoma (NPC) patients treated with intensity-modulated radiotherapy (IMRT). MATERIALS AND METHODS Five hundred and four non-disseminated NPC patients who underwent magnetic resonance imaging examination before radical IMRT between November 2000 and… CONTINUE READING