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Introduction: Oral cancer or mouth cancer, a type of head and neck cancer, is any cancerous tissue growth located in the oral cavity. It may arise as a primary lesion originating in any of the tissues in the mouth, by metastasis from a distant site of origin, or by extension from a neighbouring anatomic structure, such as the nasal cavity. cases of oral cancer amplified from 1 million in 2012 to 1.7 million in 2035 according to different research agencies on cancer thus indicating that the death rate due to oral cancer will also increase in the same period (Varshitha. A. 2015). Treatment options for oral cancers are surgical, radiotherapy and chemotherapy. These Cancer treatments has several consequences which have been seen, and includes damage of taste buds resulting in loss of gustation, olfaction, loss of appetite and weight loss, or more severe cases lead to malnutrition, change in voice, difficulty in deglutition and speech errors Case Discussion: Case 47 year male reported to clinic with a complaint of voice and other related issue. To assess voice complete voice and speech evaluation was performed which involved acoustical analysis of voice, perceptual analysis of voice, articulatory skills, aerodynamic evaluation of voice, speech intelligibility, assessment of Voice related quality of life and other associated areas (i.e. gestation & olfaction). Client medical report revealed presence of tuberculosis at the age of 45 year and treatment was taken for same. Client radiological report revealed carcinomic growth in right tonsil Ct3n1m0. Thirty Five sessions of definitive radiotherapy with 7 sessions of concurrent chemotherapy was planned. After chemotherapy and radiotherapy client noticed change in voice and loss of olfaction and gestation sense. Client also noticed the problem while swallowing. On OPM examination tongue tremors at rest was noticed. Client also had a habit of smoking (15-20 per day). Buffalo III voice profile indicates mild harsh quality. Acoustic analysis revealed increased jitter value (>3%) and less HNR (10.65 dB). Client also had dysphagia at oral & pharyngeal stage. Client had affected quality of life due to voice issues. Client feels awkward while speaking to any new people. Client also had less phonation duration. Conclusion: We can conclude from present case study that chemo and radiotherapy have an adverse effect on communication ability with more predominantly on vocal profile and swallowing. These problem have an adverse effect on person quality of life.
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