Papilllary nature of the lesion
IMAGE DESCRIPTIONS
Papillary fronds are evident along the surface of the lesions.
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There is no evidence of squamous dysplasia.
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Neutrophils are present along with chronic inflammatory cells in the stroma and epithelium, and the latter shows marked hyperplasia.
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The squamous proliferation also involves the underlying glands, which undergo prominent squamous metaplasia.
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Last updated: 2009-08-25
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