Figure 1From: 3D-image-guided HDR-brachytherapy versus 2D HDR - brachytherapy after external beam radiotherapy for early T-stage nasopharyngeal carcinoma Two nasopharyngeal applicators. (a) Nasopharyngeal intracavitary brachytherapy applicator custom designed for T1-2a patients. (b) A ProGuide Needle (189.601 ProGuide Needle Set 6 F, sharp) was used as a nasopharyngeal applicator (microSelectron, Nucletron, nylon tube technique) for stage T2b NPC patients.Back to article page