Letters When a test is too good

Risk-benefit ratio favours treating all pulmonary emboli, no matter how small

BMJ 2013; 347 doi: https://doi.org/10.1136/bmj.f5121 (Published 20 August 2013) Cite this as: BMJ 2013;347:f5121
  1. Simon J Quantrill, consultant respiratory physician1
  1. 1Whipps Cross University Hospital, Barts Health NHS Trust, London E11 1NR, UK
  1. simon.quantrill{at}bartshealth.nhs.uk

Wiener and colleagues state that computed tomography (CT) pulmonary angiography finds pulmonary emboli “that do not need to be found,”1 but great caution is needed when deciding not to treat emboli detected by this technique.

Anderson’s study,2 cited as providing the best evidence for overdiagnosis, was …

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