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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Treatment planning problems of tumours localized in nose area
JEŽKOVÁ, Kristýna
Radiotherapy is a conservative treatment method that is utilised during therapies of tumour diseases. Its objective is to perform a homogeneous irradiation of tumour tissue and simultaneous research of surrounding healthy organs. Distribution of a dose in homogeneous material, at the moment of vertical incidence of the central ray, is not a physical problem. However, in a clinical practice, during irradiation of individual patients we daily encounter problems related to irradiation of non-homogeneous volumes and uneven surfaces. The work focuses on irradiation of tumours localised in a nose area, which is connected with the problems of irradiation of uneven surfaces. The solution is to use a simple compensation bolus. Its application can achieve a homogeneous irradiation of the targeted volume as per the recommendation by ICRU Report 50.
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