Mucosal melanoma of the nasal cavity and paranasal sinuses is a rare and aggressive cancer that arises from melanocytes, the cells that produce pigment (melanin), lining the nose and sinuses. The nasal cavity is the space behind the nose through which air passes into the lungs. The paranasal sinuses are air-filled spaces in the bones …
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Glomangiopericytoma is a rare type of tumor that develops in the soft tissues of the nasal cavity or paranasal sinuses, which are the hollow spaces around the nose. It typically behaves in a noncancerous manner, growing slowly and remaining confined to the area where it started. However, in rare cases, it can act more aggressively, …
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HPV related multiphenotypic sinonasal carcinoma is a rare type of cancer that develops in the nasal cavity or the sinuses. It is linked to infection with human papillomavirus (HPV), a virus that can cause changes in cells and lead to tumour growth. This type of cancer is called “multiphenotypic” because it contains different types of …
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HPV-associated squamous cell carcinoma is a type of cancer that starts from squamous cells, which are flat cells lining the inside of the nasal cavity and the paranasal sinuses. The nasal cavity is the hollow space inside the nose that helps warm and filter air, while the paranasal sinuses are air-filled spaces in the bones …
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A seromucinous hamartoma is a rare, benign growth found in the nasal cavity or the sinuses. The term “hamartoma” refers to a mass made up of an abnormal mixture of cells and tissues that are normally found in the area but have grown in a disorganized way. Seromucinous refers to the combination of serous (watery) …
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What is SMARCB1-deficient sinonasal carcinoma? SMARCB1-deficient sinonasal carcinoma is a rare type of cancer that starts in the nasal cavity or one of the paranasal sinuses. It is an aggressive tumour that quickly grows into surrounding organs and tissues in the head. Other names for this type of cancer include INI1-deficient sinonasal carcinoma and SWI/SNF-deficient …
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Keratinizing squamous cell carcinoma (KSCC) is a type of cancer that begins from squamous cells, specialized cells found on the inside surface of the nasal cavity and paranasal sinuses. The nasal cavity is the hollow space inside the nose that helps warm, moisten, and filter the air we breathe. The paranasal sinuses, which include the …
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Nonkeratinizing squamous cell carcinoma (NKSCC) is a type of cancer that begins from squamous cells, specialized cells found on the inside surface of the nasal cavity and paranasal sinuses. The nasal cavity is the hollow space inside the nose that helps warm, moisten, and filter the air we breathe. The paranasal sinuses, which include the …
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The sinonasal tract is an area inside your head that includes the nasal cavity (the open space inside your nose) and the paranasal sinuses. The paranasal sinuses are small, air-filled spaces located around your nasal cavity, including: Maxillary sinuses (under your eyes, behind your cheeks) Frontal sinuses (above your eyes, behind your forehead) Ethmoid sinuses …
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What is a sinonasal inflammatory polyp? A sinonasal inflammatory polyp is a non-cancerous growth that may develop in the nasal cavity or paranasal sinuses. It is a very common condition that affects up to 20% of the adult population in some parts of the world. What causes a sinonasal inflammatory polyp? Sinonasal inflammatory polyps can …
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