sinus

Non-keratinizing squamous cell carcinoma of the nasal cavity and sinuses

What is non-keratinizing squamous cell carcinoma? Non-keratinizing squamous cell carcinoma (NKSCC) is a type of cancer that starts in the nasal cavity or one of the paranasal sinuses. This area of the body is described as the sinonasal tract, and it includes the maxillary sinus, ethmoid sinus, frontal sinus, and sphenoid sinus. The tumour starts …
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Sinonasal papilloma

What is a sinonasal papilloma? A sinonasal papilloma is a non-cancerous tumour that starts from the tissue that lines the inside of the nasal cavity and paranasal sinus. Pathologists divide sinonasal papillomas into three types: inverted, exophytic, and oncocytic. Another name for sinonasal papilloma is Schneidernian papilloma. Is sinonasal papilloma a type of cancer? No. …
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Sinonasal undifferentiated carcinoma (SNUC)

What is sinonasal undifferentiated carcinoma? Sinonasal undifferentiated carcinoma (SNUC) is a type of cancer that starts from cells normally found on the inside of the nasal cavity and paranasal sinuses. This area of the body is called the sinonasal tract.¬†Sinonasal undifferentiated carcinoma is an aggressive disease with a poor prognosis. Can sinonasal undifferentiated sinonasal carcinoma …
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