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EVENTS


Risk Assessment: Breast Cancer, Prediction and Screening

Progress Educational Trust
Darwin Lecture Theatre, Darwin Building, University College London, Malet Place, London WC1E 6BT
08 May 2014 - 6.30pm-8.30pm

A public event organised by the Progress Educational Trust (PET) at University College London, supported by the Wellcome Trust and chaired by Dr Ann Robinson, with speakers Professor Stephen Duffy, Professor Klim McPherson, Paul Serhal and Wendy Watson.

The event is free to attend, but advance booking is required. Please email Sandy Starr at and he will add you to the attendee list.

If tweeting about this event, please use the hashtag #BreastCancerRisk. You can join the event's Facebook page here.

Understanding and measuring risk in medicine can be difficult, and this is certainly true of breast cancer. There are different types of risk - including absolute and relative risk, population and individual risk, lifetime risk and risk over a specific time period, and the 'chance' and 'burden' components of risk - that are easily confused in discussion of breast cancer, and that laypeople (and even experts) can find difficult to disentangle. There are also competing measures when it comes to assessing the prevention and treatment of breast cancer, such as efficacy (improvement in survival) and tolerability (side effects and quality of life).

It is said that breast cancer screening involves a risk of overdiagnosis or misdiagnosis, but more fundamentally, there are subtle ways in which early detection due to screening might change our understanding of what breast cancer actually is. Of particular relevance is the difficulty of predicting whether small invasive or in situ screen-detected tumours are liable to grow into a cancer that will result in symptoms during a patient's lifetime, whether they will grow too slowly for this to be the case, or whether they will shrink. This difficulty in predicting the fate of tumours means that traditional distinctions between 'pre-cancer' or 'pseudo-cancer' on the one hand, and cancer proper on the other hand, are blurred when screening for breast cancer. Furthermore, lead time bias (the increased duration of the patient's post-diagnosis survival due simply to the fact that they were diagnosed early, without there necessarily being any change in outcome) can make it difficult to assess the pros and cons of screening.

Risk also plays an important part in the reproductive decisions of people who know they have a genetic predisposition to breast cancer, and who wish to avoid passing this predisposition on to their children. Preimplantation genetic diagnosis for BRCA1 and BRCA2 mutations is licensed by the Human Fertilisation and Embryology Authority, and has been used in the UK to ensure that children are born without these mutations. But despite most types of inherited cancer predisposition showing autosomal dominant inheritance (meaning that on average half of a person's children will inherit the predisposition), counselling on reproduction is rarely included in guidelines on clinical management of breast cancer.

This event will see these and other aspects of breast cancer discussed in relation to risk, from contrasting perspectives, by a panel of experts. The event forms part of PET's 'Breast Cancer: Chances, Choices and Genetics' project, and will be followed by two further evening events at the same venue - 'Risk Management: Breast Cancer, Business and Patents' on Thursday 5 June, and a concluding event on Thursday 3 July.

Further details of this event are available on the Progress Educational Trust website.

Published by the Progress Educational Trust

CROSSING FRONTIERS

Public Conference
London
8 December 2017

Speakers include

Professor Azim Surani

Professor Magdalena Zernicka-Goetz

Professor Robin Lovell-Badge

Sally Cheshire

Professor Guido Pennings

Katherine Littler

Professor Allan Pacey

Dr Sue Avery

Professor Richard Anderson

Dr Elizabeth Garner

Dr Andy Greenfield

Dr Anna Smajdor

Dr Henry Malter

Vivienne Parry

Dr Helen O'Neill

Dr César Palacios-González

Philippa Taylor

Fiona Fox

Sarah Norcross

Sandy Starr


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