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Typical CLE artifacts. (A–C): Movement artifacts of CLE images of normal mucosa in the oropharynx (A) and oral cavity (C), and of a carcinoma of the oropharynx (B). (D) Tonsil cancer with blood contamination. (E, F): same tumor as in F showing artifacts due to blood and saliva contamination (whitish areas). CLE image size: 464 × 261 µm, 1,920 × 1,080 pixel.
