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The natural course of serrated lesions: a difficult enigma to resolve
  1. J E G IJspeert,
  2. B A J Bastiaansen,
  3. P Fockens,
  4. E Dekker
  1. Department of Gastroenterology and Hepatology, Academic Medical Center, Amsterdam, The Netherlands
  1. Correspondence to Dr Evelien Dekker, Department of Gastroenterology and Hepatology, Academic Medical Centre, Meibergdreef 9 1105 AZ, Amsterdam, The Netherlands; e.dekker{at}

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To the editor,

The serrated pathway is an established sequence to colorectal cancer (CRC), but little is known about the exact malignant potential of serrated polyps (SPs). Therefore, we have read with great interest the article by Holme et al 1 who evaluated the long-term risk of CRC in individuals with large (≥10 mm) SPs as well as the natural course of these lesions. Based on their results, the authors state that the increased CRC risk for individuals with large SPs may not be due to the malignant growth of the SP itself, but rather to an overall field effect in patients with these lesions. However, this statement warrants careful interpretation as we believe that both the timeframe and study design imply …

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  • Contributors All authors contributed equally to this manuscript.

  • Funding This research received no specific funding.

  • Competing interests None.

  • Provenance and peer review Not commissioned; internally peer reviewed.

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