Intended for healthcare professionals


Five minutes with . . . Stephen Duffy

BMJ 2015; 351 doi: (Published 07 December 2015) Cite this as: BMJ 2015;351:h6637
  1. Nigel Hawkes
  1. 1London

A new study shows that treatment of ductal carcinoma in situ (DCIS) can prevent the subsequent development of invasive breast cancers.1 The BMJ talked to its lead author, Stephen Duffy, professor of cancer screening at the University of London’s Queen Mary college

“There’s been a debate on the value of detecting and treating DCIS. Nobody asserts that 100% of DCIS is progressive, and nobody asserts that none is. There’s a range of opinions.

“We investigated the question by getting four years of data from 84 screening units in England, Wales, and Northern Ireland—that’s almost all of them. On average, …

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