Intended for healthcare professionals

Editorials

The poor performance of apps assessing skin cancer risk

BMJ 2020; 368 doi: https://doi.org/10.1136/bmj.m428 (Published 10 February 2020) Cite this as: BMJ 2020;368:m428

Linked Research

Algorithm based smartphone apps to assess risk of skin cancer in adults

  1. Jessica Morley, DataLab policy lead1,
  2. Luciano Floridi, professor of philosophy and ethics of information2,
  3. Ben Goldacre, DataLab director1
  1. 1Nuffield Department of Primary Care, University of Oxford, Oxford OX2 6GG, UK
  2. 2Oxford Internet Institute, University of Oxford, Oxford, UK
  1. Correspondence to: J Morley jessica.morley{at}phc.ox.ac.uk

These apps are the product of inadequate evaluation and regulation

Over the past year, technology companies have made headlines claiming that their artificially intelligent (AI) products can outperform clinicians at diagnosing breast cancer,1 brain tumours,2 and diabetic retinopathy.3 Claims such as these have influenced policy makers, and AI now forms a key component of the national health strategies in England, the United States, and China.

It is positive to see healthcare systems embracing data analytics and machine learning. However, there are reasonable concerns about the efficacy, ethics, and safety of some commercial, AI health solutions.45 Trust in AI applications (or apps) heavily relies on the myth of the objective and omniscient algorithm, and our systems for generating and implementing evidence have not yet met the new specific challenges of AI. They may even have failed on the basics. In a linked article, Freeman and colleagues6 (doi:10.1136/bmj.m127) throw these general concerns into stark relief with a close examination of the evidence on diagnostic apps for skin cancer.

Exposing inaccuracies

The authors report results from a systematic review of studies evaluating the accuracy …

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