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Challenges in Optimal Delivery of Radiation in Head and Neck Cancers Dr. J P Agarwal Associate Professor

Accounts for about 4,50,000 cases worldwide* 20% of cancer burden - 1,50,000 new cases in 2000 in India*TMH - 25% of all new cases annually > 75 % present with advanced disease . Head and Neck Squamous Cell Carcinoma. *Globocan,2002 IARC. General Management Guid

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Challenges in Optimal Delivery of Radiation in Head and Neck Cancers Dr. J P Agarwal Associate Professor

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    32. Different commercial planning systems have varying heterogeneity correction factors and presently available softwares do not accurately estimate doses at interfacesDifferent commercial planning systems have varying heterogeneity correction factors and presently available softwares do not accurately estimate doses at interfaces

    49. N= 22 PORT within 7 weeks / later LRC 70% (PORT within 7 weeks) 27%(PORT more than 7 weeks)

    65. Altered fractionation with or without chemotherapy demands good infrastructural and continuous nutritional support which possibly can be undertaken only at higher referral centres.Altered fractionation with or without chemotherapy demands good infrastructural and continuous nutritional support which possibly can be undertaken only at higher referral centres.

    67. Target volume delineation is an evolving process.Target volume delineation is an evolving process.

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