Thyroid poorly differentiated carcinoma metastatic to pancreas diagnosed by fine-needle aspiration and demonstrating a novel BRAF fusion.
Saman Seyed AhmadianDaniel M JonesPaul WakelyAbberly A Lott-LimbachPublished in: Cytopathology : official journal of the British Society for Clinical Cytology (2024)
Differentiating pancreatic duct adenocarcinoma from metastasis can be challenging by morphology alone. Metastasis from a classic papillary thyroid carcinoma can present as a poorly differentiated carcinoma and mimic pancreatic ductal adenocarcinoma's morphology.