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Anna Christine Nilsson1,2, Matias Ryding2,3, Charlotte Aaberg Poulsen4

  • 1Klinisk Immunologisk Afdeling, Odense Universitetshospital.

Ugeskrift for Laeger
|March 31, 2023
PubMed
Summary

Updated criteria for diagnosing paraneoplastic neurologic syndromes (PNS) are now available. This review covers the 2021 consensus criteria, PNS-Care score, and autoantibody testing limitations for accurate PNS diagnosis.

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Area of Science:

  • Neurology
  • Oncology
  • Immunology

Background:

  • Paraneoplastic neurologic syndromes (PNS) present diagnostic challenges due to clinical, immunologic, and oncologic variability.
  • The 2004 diagnostic criteria for PNS are outdated, necessitating updated guidelines.
  • Accurate interpretation of autoantibody testing is vital for diagnosing PNS.

Approach:

  • This review details the updated 2021 consensus criteria for diagnosing PNS.
  • It introduces the PNS-Care score for assessing the probability of PNS.
  • The review emphasizes understanding the limitations of autoantibody testing in PNS diagnosis.

Key Points:

  • Updated 2021 consensus criteria offer improved diagnostic accuracy for PNS.
  • The PNS-Care score aids in quantifying the likelihood of paraneoplastic neurologic syndromes.

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  • Awareness of autoantibody test limitations is crucial for correct PNS diagnosis.

    • Conclusions:

    • This review provides an updated framework for diagnosing PNS, incorporating recent advancements.
    • It highlights the importance of the 2021 criteria and PNS-Care score in clinical practice.
    • The review aims to enhance diagnostic precision for PNS in a Danish context.