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Clin Oncol (R Coll Radiol). 2015 Sep;27(9):514-8. doi: 10.1016/j.clon.2015.05.010. Epub 2015 Jul 3.

The Impact of Colleague Peer Review on the Radiotherapy Treatment Planning Process in the Radical Treatment of Lung Cancer.

Author information

1
Cancer Centre, Belfast City Hospital, Belfast, UK. Electronic address: keith.rooney@belfasttrust.hscni.net.
2
Cancer Centre, Belfast City Hospital, Belfast, UK.
3
Cancer Centre, Belfast City Hospital, Belfast, UK; Centre for Cancer Research and Cell Biology, Queen's University of Belfast, Belfast, UK.

Abstract

AIMS:

Modern radiotherapy uses techniques to reliably identify tumour and reduce target volume margins. However, this can potentially lead to an increased risk of geographic miss. One source of error is the accuracy of target volume delineation (TVD). Colleague peer review (CPR) of all curative-intent lung cancer plans has been mandatory in our institution since May 2013. At least two clinical oncologists review plans, checking treatment paradigm, TVD, prescription dose tumour and critical organ tolerances. We report the impact of CPR in our institution.

MATERIALS AND METHODS:

Radiotherapy treatment plans of all patients receiving radical radiotherapy were presented at weekly CPR meetings after their target volumes were reviewed and signed off by the treating consultant. All cases and any resultant change to TVD (including organs at risk) or treatment intent were recorded in our prospective CPR database. The impact of CPR over a 13 month period from May 2013 to June 2014 is reported.

RESULTS:

One hundred and twenty-two patients (63% non-small cell lung carcinoma, 17% small cell lung carcinoma and 20% 'clinical diagnosis') were analysed. On average, 3.2 cases were discussed per meeting (range 1-8). CPR resulted in a change in treatment paradigm in 3% (one patient proceeded to induction chemotherapy, two patients had high-dose palliative radiotherapy). Twenty-one (17%) had a change in TVD and one (1%) patient had a change in dose prescription. In total, 6% of patients had plan adjustment after review of dose volume histogram.

CONCLUSION:

The introduction of CPR in our centre has resulted in a change in a component of the treatment plan for 27% of patients receiving curative-intent lung radiotherapy. We recommend CPR as a mandatory quality assurance step in the planning process of all radical lung plans.

KEYWORDS:

Non-small cell lung cancer; peer review; quality assurance; radiotherapy; target volume delineation

PMID:
26150375
DOI:
10.1016/j.clon.2015.05.010
[Indexed for MEDLINE]

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