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Letters Preventing overdiagnosis

Evidenced based practice should reduce overdiagnosis and overtreatment

BMJ 2012; 344 doi: (Published 25 June 2012) Cite this as: BMJ 2012;344:e4296
  1. Huw Llewelyn, general physician and endocrinologist1
  1. 1Nevill Hall Hospital, Abergavenny NP7 7EG, UK
  1. hul2{at}

Overdiagnosis can result from failure to practise evidence based medicine properly.1 The positive result of any screening test should be dealt with in the same way as a presenting symptom, by carefully considering its evidence based differential diagnosis. It may turn out to …

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