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ORIGINAL ARTICLE
Year : 2020  |  Volume : 16  |  Issue : 3  |  Page : 530-533

Correlation of maximum dose in PTV and the need for in-hospital supportive care during radiotherapy for H and N cancer patients


1 Department of Radiation Oncology, Artemis Hospitals, Gurgaon, India
2 Department of Radiation Oncology, Max Super Speciality Hospital, Saket, India
3 Department of Statistics, Artemis Hospitals, Gurgaon, India

Correspondence Address:
Kamal Verma
Department of Radiation Oncology, Artemis Hospital, Gurgaon - 122 001, Haryana
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jcrt.JCRT_902_18

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Context: An objective conformal radiotherapy treatment planning criteria that can predict severity of early effects of radiotherapy would be quite useful in reducing the side effects of radiotherapy thereby improving quality of life for head and neck cancer patients. Aim of Study: Retrospective study aimed at correlating the maximum dose in planning target volume (PTV) with early effects of radiation. Materials and Methods: Patients with squamous cell carcinoma of H and N region who received radical radiotherapy and concomitant chemotherapy were retrospectively analyzed for maximum dose in PTV and the requirement of gap during radiotherapy or else hospitalization for supportive care during or up to 1 month after completion of radical radiotherapy. Results: Of a total of 23 patients, 8 patients (34.7%) required a gap of 2–14 days during their treatment. Twelve patients (52.1%) required hospitalization for 1–4 days and 4 patients (17.3%) required hospitalization for supportive care after completion of radiotherapy. The maximum dose in PTV ranged from 105.1% to 132.8% with an average of 112.68%. Subgroup analysis revealed a nonsignificant highest maximum dose of 114.72% in subset of patients requiring gap during radiotherapy (n= 8). Conclusion: It was concluded that maximum dose in PTV is a useful predictor of need for inhospital supportive care.


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