COMPARISON OF DIFFERENT COMBINATIONS OF IRRADIATION MODE AND JAW WIDTH IN HELICAL TOMOTHERAPY FOR NASOPHARYNGEAL CARCINOMA

Comparison of Different Combinations of Irradiation Mode and Jaw Width in Helical Tomotherapy for Nasopharyngeal Carcinoma

Purpose: To aid in the selection of a suitable combination of irradiation mode and jaw width in helical tomotherapy (HT) for the treatment of nasopharyngeal carcinoma (NPC).Materials and Methods: Twenty patients with NPC who underwent radiotherapy were retrospectively selected.Four plans using a jaw width of 2.5 or 5-cm in dynamic jaw (DJ) or fix r

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