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Unusual Pancreatic Metastasis of Solid Subtype Adenoid Cystic Carcinoma: Reappraisal of MYB and CD117 Immunostaining Utility in Liquid-Based Cytology

Keita Jinnouchi

Keita Jinnouchi

Department of Diagnostic Pathology, Kyoto University Hospital, Kyoto, Japan

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Yuki Teramoto

Corresponding Author

Yuki Teramoto

Department of Diagnostic Pathology, Kyoto University Hospital, Kyoto, Japan

Correspondence:

Yuki Teramoto ([email protected])

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Miho Saeki

Miho Saeki

Department of Diagnostic Pathology, Kyoto University Hospital, Kyoto, Japan

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Masahiro Hirata

Masahiro Hirata

Department of Diagnostic Pathology, Kyoto University Hospital, Kyoto, Japan

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Hironori Haga

Hironori Haga

Department of Diagnostic Pathology, Kyoto University Hospital, Kyoto, Japan

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First published: 21 May 2025

Funding: The authors received no specific funding for this work.

Graphical Abstract

Fine-needle aspiration cytology of a pancreatic tumour revealed basaloid cells with immunocytochemical features of metastatic adenoid cystic carcinoma.

This article describes a rare case of pancreatic metastasis of adenoid cystic carcinoma diagnosed by fine-needle aspiration cytology. Immunocytochemical staining for MYB and CD117 provided critical diagnostic support, highlighting the utility of liquid-based cytology in rare metastatic tumours.

Conflicts of Interest

The authors declare no conflicts of interest.

Data Availability Statement

All data generated or analysed during this study are included in this article. Further inquiries can be directed to the corresponding author.

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