Stereotactic radiosurgery planning

Author(s): Colin Jennings

Hospital: Rosemere Cancer Centre, Royal Preston Hospital

Reference: RAD Magazine, 46, 536, 19


Interest in stereotactic radiosurgery (SRS) and radiotherapy (SRT) techniques has increased rapidly over the last few years. There is an increasing trend to reduce fractionation regimes, with several trials reporting equivalent outcomes for reduced fractionation schedules compared with standard, long fraction courses. This increasing interest in SRS/SRT is also present for the treatment of brain metastases. The number of patients presenting with brain metastases is increasing due to increased patient survival from their primary tumour and better imaging techniques. A large proportion of these patients would have traditionally been treated using whole brain radiotherapy (WBRT), however recent studies have shown no overall survival advantage using WBRT and significant toxicity in terms of loss of cognitive function. All of these factors mean that the demand for SRS treatment of brain metastases is increasing.

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