Nuklearmedizin
DOI: 10.1055/a-2707-4584
Research Letter

Performance of a large language model in lymphoma stage assignment based on written PET/CT reports

Ergebnisqualität eines generativen Sprachmodells bei der Stadieneinteilung von Lymphomen anhand schriftlicher PET/CT-Befunde

Authors

  • Conrad-Amadeus Voltin

    1   Department of Nuclear Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
  • Jonathan Kottlors

    2   Institute for Diagnostic and Interventional Radiology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
  • Peter Borchmann

    3   Department I of Internal Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
  • Philipp Gödel

    3   Department I of Internal Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
  • Alexander Drzezga

    1   Department of Nuclear Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
  • Markus Dietlein

    1   Department of Nuclear Medicine, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
  • Thomas Dratsch

    2   Institute for Diagnostic and Interventional Radiology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
Preview

Introduction

Large language models (LLMs) have emerged as powerful tools for addressing a wide range of tasks across diverse domains. Growing evidence suggests that they can play a significant role in patient self-education and the choice of diagnostic work-up [1] [2]. Moreover, artificial intelligence (AI) might be helpful for the classification of abnormal clinical findings and imaging patterns observed [3] [4].

Accurate stage definition is crucial in lymphoma, as therapy regimens are chosen according to disease extent and risk factors. Over the past decades, positron emission tomography (PET) combined with computed tomography (CT) has become an essential part of pre-treatment assessment [5]. However, medical reports often contain complex descriptions of tumor characteristics such as size and location. Text-processing AI tools have the potential to assist with the categorization of these findings. We therefore investigated the performance of an advanced LLM in Ann Arbor stage assignment based on imaging documentation.



Publikationsverlauf

Eingereicht: 27. Mai 2025

Angenommen nach Revision: 22. September 2025

Artikel online veröffentlicht:
14. Oktober 2025

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