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Fig. 1 | Cancer Communications

Fig. 1

From: Nasopharyngeal brushing: a convenient and feasible sampling method for nucleic acid-based nasopharyngeal carcinoma research

Fig. 1

Hematoxylin–eosin (HE) staining of nasopharyngeal tissue sections and brushing smears (40×). a Nasopharyngeal tissue from a nasopharyngitis patient shows inflammatory nasopharyngeal epithelium infiltrated with plenty of lymphocytes. b Poorly differentiated nasopharyngeal carcinoma (NPC) tissue shows tumor nests surrounded with lymphocytes. c Brushing smear sample from a healthy participant shows normal nasopharyngeal mucosa, consisting of columnar cells, squamous cells, and lymphoid cells. d Brushing smear sample from a NPC patient shows typical NPC cells with large nuclei, a high nuclear/cytoplasmic ratio, and prominent nucleoli. Arrows indicate tumor cells

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