arXiv Computer Vision By Maximilian J. Roesel, Niklas Kiermeyer, Philipp Keyl, Frederick Klauschen

Pathology foundation models for training-free case retrieval in salivary gland tumors

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The study investigates whether pathology foundation models can enable training‑free, content‑based retrieval of similar cases from digitized archives of salivary gland tumors. Using a region of interest from a whole slide image, the models retrieve morphologically similar cases and their ICD‑O codes without task‑specific training. Evaluation on 137 cases across 12 morphology categories shows that Atlas2 achieves the highest retrieval accuracy, with macro‑averaged F1 scores ranging from 69.0% to 76.6% across models.

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