PD-L1 Expression in Pituitary Neuroendocrine Tumors/Pituitary Adenomas.
Giulia CossuStefano La RosaJean Philippe BroulandNelly PitteloudEthan HarelFederico A SantoniMaxime BrunnerRoy Thomas DanielMahmoud MessererPublished in: Cancers (2023)
PD-L1 expression was associated with proliferative grades of Trouillas' classification and p53 expression. We also confirmed a higher expression of PD-L1 in somatotroph tumors. Larger studies are necessary to investigate the relationship between PD-L1 expression and aggressive behaviors.