Año 2018 / Volumen 110 / Número 7
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Año 2018 / Volumen 110 / Número 7

Original

EUS-FNA cytological material from pancreatic lesions: the expression of cathepsins and its predictive value of malignancy

446-450

Manuela Roger, Juan Martínez, Gloria Peiró, Jose Ramón Aparicio, Francisco Ruiz, Luís Compañy, Juan Antonio Casellas,

Aims: To assess the expression of cathepsins in pancreatic samples obtained by endoscopic ultrasonography and fine needle aspiration (EUS-FNA) and to investigate their relationship with the staging of the pancreatic ductal adenocarcinoma (PDAC). Methods: We prospectively included patients with solid pancreatic masses, in which EUS-FNA were performed. Cathepsins B, L, S and H expression was determined in FNA samples. Results: Seventeen FNA were performed. All cytological material was from PDAC. Expression of cathepsins was predominantly low (B 65%, L 23%, S 76%, and H 41%). We found no correlation between the expression levels and the extension of the neoplasm. Conclusion: Expression of cathepsins in the cytological material of PDAC is diverse but still poor to be useful in the pre-operative diagnosis. There is no correlation between the expression levels of cathepsins and the extension of the PDAC

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Asociación Española de Ecografía Digestiva Sociedad Española de Endoscopia Digestiva Sociedad Española de Patología Digestiva
The Spanish Journal of Gastroenterology is the official organ of the Sociedad Española de Patología Digestiva, the Sociedad Española de Endoscopia Digestiva and the Asociación Española de Ecografía Digestiva
© 2020 The Spanish Journal of Gastroenterology