Abstract
Undifferentiated sinonasal carcinoma (SNUC) is a rare malignant tumor that originates from the Schneiderian membrane lining the nasal cavities and paranasal sinuses. It often presents with rhinological symptoms, while other ocular or neurological signs can be either initial or secondary manifestations [1,2]. CT and MRI provide precise locoregional assessment [2,14]. Diagnosis relies on anatomopathological examination [2,3], and the treatment primarily involves surgery and radiochemotherapy (RECFOR.4). This tumor poses management challenges due to its typically late diagnosis and significant extent, which can hinder complete tumor resection. This study aims, along with a literature review, to outline the histoclinical characteristics of SNUC, revisit prognostic factors, and establish an appropriate therapeutic approach for this tumor.
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