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Fig. 1 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 1

From: Relationships of 18F-FDG PET with tumor microenvironment immunotypes, especially PD-L1 and CD15 expression, and prognosis in oral squamous cell carcinoma

Fig. 1

Fluoro-d-glucose–positron emission tomography (FDG PET-CT) and immunohistochemical analysis of programmed death ligand-1 (PD-L1) expression, CD8+ cells, and CD15+ cells. Row A (a 76-year-old female patient with tongue cancer, cT4a), representing group I or group A (Fig. 3A), reveals high FDG uptake, high PD-L1 expression, high CD8+ cell counts, and low CD15+ cell counts. Row B (a 23-year-old female patient with tongue cancer, cT2), representing group IV or group D, presents high FDG uptake, low PD-L1 expression, and high CD8+ and CD15+ cell counts. Row C (a 32-year-old female patient with tongue cancer, cT1), belonging to group II or group C, reveals low FDG uptake, low PD-L1 expression, and low CD8+ and CD15+ cell counts

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