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BgRT system evaluated in nasopharyngeal carcinoma

Researchers found that a breakthrough biology-guided radiotherapy system combining a 16-slice CT with ring gantry, 6 MV linac and a PET subsystem yielded intensity-modulated radiotherapy plans with similar primary planning target volume mean dose, dose coverage and dose heterogeneity, but lower measures in six of seven organs-at-risk dose parameters and elevated dose heterogeneity in non-primary targets in individuals with nasopharyngeal carcinoma, compared with plans from helical tomotherapy and volumetric modulated arc therapy. The findings in the journal Medical Dosimetry also associated the BgRT system with longer treatment times, which researcher Chunhui Han said won't significantly affect routine clinical radiotherapy.

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