*, Vaishnavi Vedam V.K. and Boaz, Karen and *, Srikant N and *, Sivadas G. (2017) Salivary Amylase as a Marker of Salivary Gland Function in Patients Undergoing Radiotherapy for Oral Cancer. Journal of Clinical Laboratory Analysis, 31 (3). pp. 1-3. ISSN 08878013

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Abstract

Background: The aim of this study was to evaluate salivary amylase in patients with primary oral cancer undergoing radiotherapy as the main modality of treatment. Materials/ methods: The study was conducted on ten histologically proven cases of oral cancer undergoing radiotherapy. Stimulated whole saliva was collected at three stages of radiotherapy—0, 3, and 6 weeks. Salivary amylase was estimated using Henry- Chiamori method and comparison was made with appropriate age- and gendermatched controls. Results: Salivary amylase levels showed significant decrease in healthy subjects when compared to oral cancer patients (P < 0.001). The latter group also showed changing trend with initial decrease from 0 to 3 weeks followed by increase from 3 to 6 weeks following radiotherapy (P < 0.0528). Conclusions: The trend in changes in the levels of salivary amylase could be used as a surrogate marker of salivary gland function in patients with oral cancer undergoing radiotherapy as primary treatment.

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