Background: Cancer therapy couples with it a plethora of complications of short and long term effects which can be so distressing that patient may tolerate only lower less-effective doses of therapy, may postpone treatments or will discontinue treatment entirely. Fractionated dose of radiotherapy coupled with therapy induce local or systemic infections due to high cellular turnover rates of the oral mucosa, diverse and complex microflora and trauma to oral tissues. Several mucosal abnormalities often results in epithelial and glandular destruction and inflammation, which can be so devastating that it may cause atypical changes on the area exposed to radiation. Thus, the aim of this study was to investigate the feasibility of using cytological evaluation to detect oral epithelial atypia among Head and Neck cancer patients receiving fractionated dose of radiotherapy.
Methods: Study was conducted on 125 head and neck cancer patients receiving radiotherapy. Subjects were divided into 5 study groups on the basis of fractionated dose of radiotherapy from 10th-50th fractions respectively. Mucosal changes were evaluated by exfoliative cytology and atypical changes and inflammatory cell infiltration were assessed.
Results: Without prior knowledge of the subjects' group, oral epithelial atypia was detected with increase fractionated dose of radiation. Dense inflammatory nfiltrate were identified in nearly all study groups irrespective of dose of radiotherapy.
Conclusion: Cytological atypia and inflammatory infiltrates were detected after exposure to radiotherapy.
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