What does oncocytic mean? Pathologists use the term oncocytic to describe cells that look bright pink when stained with hematoxylin and eosin (H&E) and examined under a microscope. Oncocytic cells look pink because the cytoplasm (body) of the cell is full of mitochondria that stick to eosin (a pink dye). A tumour made up entirely …
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What is a Schneiderian papilloma? A Schneiderian papilloma is a non-cancerous tumour that starts from the tissue that lines the inside of the nasal cavity and paranasal sinus. Pathologists divide Schneiderian papillomas into three types: inverted, exophytic, and oncocytic (see below for more information). Schneiderian papillomas can grow into surrounding tissues but the tumour cells …
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