Читать книгу Anterior Skull Base Tumors - Группа авторов - Страница 22

Squamous carcinoma may occasionally pose a diagnostic challenge on small biopsy specimens with sialometaplasia, pseudoepitheliomatous hyperplasia, and Schneiderian papilloma with squamous metaplasia. The common primary lesion to be differentiated in early assessment is inverted papilloma, where a transitional-like squamous proliferation in an inward growth is the typical feature of a lesion frequently observed in the sinonasal tract.