A papilloma is a common type of benign (non-cancerous) tumour that arises from epithelial cells on the outside or inside surface of an organ or tissue. Most papillomas are described as exophytic because they grow outwardly from the surface of the tissue. In contrast, endophytic or inverted papillomas grow down from the surface into the …
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Fibrovascular core

A fibrovascular core is a microscopic structure made up of fibrous tissue and blood vessels found inside finger-like projections called papillae. These finger-like projections are commonly found in a variety of benign (noncancerous) growths such as papillomas and malignant (cancerous) tumours such as papillary thyroid carcinoma and adenocarcinoma of the lung. The fibrovascular core helps …
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In pathology, the term papillary is used to describe finger-like projections of tissue with cells lining the outside surface of the tissue and a central fibrovascular core. Pathologists use the term micropapillary to describe similar but smaller projections of tissue. Papillary growth is most commonly seen in tumours including both benign (noncancerous) and malignant (cancerous) …
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