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The use of CT in radiotherapy treatment planning |
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| Authors: | H. Jane Dobbs R.P. Parker N.J. Hodson Pauline Hobday Janet E. Husband |
| Affiliation: | 1. Department of Radiotherapy Royal Marsden Hospital Downs Road, Sutton, Surrey SM2 5PT, U.K.;2. Department of Physics Royal Marsden Hospital Downs Road, Sutton, Surrey SM2 5PT, U.K.;3. Department of Radiology, Royal Marsden Hospital Downs Road, Sutton, Surrey SM2 5PT, U.K.;4. Institute of Cancer Research, Downs Road, Sutton, Surrey SM2 5PT, U.K. |
| Abstract: | A prospective study is reported comparing conventional localisation with computed tomography (CT) localisation of tumours for radiotherapy treatment planning. One hundred and five out of 320 (33%) patients had an alteration in treatment plan and details are given according to the tumour site. CT planning enables more accurate localisation of both tumour and normal organs in addition to providing an accurate body contour and inhomogeneity corrections. Implications for integration of CT into radiotherapy planning practice are discussed and the impact of CT on treatment policy evaluated. |
| Keywords: | Radiotherapy treatment planning Computed tomography |
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