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Year : 2018  |  Volume : 4  |  Issue : 4  |  Page : 184-190

Investigation on the status of radiation therapy for nasopharyngeal cancer in Chongqing city

1 Department of Oncology, Cancer Institute, Second Affiliated Hospital, Army Medical University, Chongqing, China
2 Department of Oncology, Third Affiliated Hospital, Army Medical University, Chongqing, China
3 Department of Oncology, First Affiliated Hospital, Army Medical University, Chongqing, China
4 Department of Oncology, Chongqing Cancer Hospital, Chongqing, China
5 Department of Oncology, First Affiliated Hospital, Chongqing Medical University, Chongqing, China
6 Department of Oncology, Chongqing Three Gorges Central Hospital, Chongqing, China

Correspondence Address:
Jianguo Sun
Department of Oncology, Cancer Institute, Second Affiliated Hospital, Army Medical University, Chongqing 400000
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/digm.digm_32_18

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Objective: The objective of the study is to investigate the regional capacity and implementation of radiotherapy for nasopharyngeal carcinoma (NPC) in Chongqing city. Materials and Methods: The questionnaires, self-designed electronic forms in a uniform format, were distributed to 37 radiotherapy institutions, which covered all the medical units equipped with radiotherapy equipment in this city. Results: Of the 37 radiotherapy units in Chongqing, 27 could deliver radiotherapy for NPC, but the remaining 10 institutions could not due to equipment limitations. From January to December 2017, a total of 2904 patients with NPC were treated with radiotherapy. Patients from the five teaching hospitals in the main districts of the city accounted for 86% of the participants. There were four representative types of radiotherapy plan based on radiation technology among these units. Of the 37 units, 18 used intensity-modulated radiotherapy, 6 adopted three-dimensional conformal radiotherapy, 2 chose volumetric modulated arc therapy, and 1 delivered two-dimensional traditional radiotherapy; only 10 units applied magnetic resonance imaging (MRI)-computed tomography registration and fusion for gross tumor volume delineation in NPC treatment, and only 3 units routinely acquired nasopharyngeal and neck MRI scans to evaluate tumor shrinkage during treatment. Conclusion: Obvious distinctions exist between various units in Chongqing city in radiotherapeutic strategy, radiotherapy plan, frequency of image-guided radiation therapy, and mid-treatment evaluation for NPC radiotherapy. We need to learn and apply NPC guideline and consensus to improve NPC radiotherapy in Chongqing and to construct a rule with regional characteristics.

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