Sinonasal carcinomas are a broad group of sinonasal malignant tumors that are of epithelial cell origin/lineage.
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Pathology
Sinonasal carcinomas can be classified into various histological and etiological subgroups:
sinonasal squamous cell carcinoma: considered the most common histological subtype and accounts for >50% of all sinonasal malignant tumors 1
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sinonasal adenocarcinoma: considered the second most common and accounts for 20% of all sinonasal malignant tumors; these can be further categorized into ref
NUT carcinoma / NUT midline carcinoma of sinonasal cavity
Molecular/etiological subtypes include:
Differential diagnosis
On imaging consider other malignant sino-nasal tumors such as:
extramedullary plasmacytoma of sinonasal cavity
rhabdomyosarcoma of sinonasal cavity