Table 1 Surgical approach according to tumor extension
From: Squamous cell carcinoma arising from inverted Schneiderian papilloma: a case report
Involvement | Suggested surgical approach |
|---|---|
Septum Lateral wall of nasal cavity Anterior or posterior ethmoid Sphenoethmoid and sphenoid spaces Maxillary sinus (medial, superior, or posterior wall) Frontal space and frontal sinus (limited medial involvement) | Endonasal endoscopic |
Lateral wall of frontal sinus | Endonasal endoscopic + frontal osteoplastic flap (bicoronal approach) |
Maxillary sinus (anterior, inferior, or lateral wall) | Endonasal endoscopic + Caldwell-Luc approach |
Extrasinus extension Associated carcinoma | External (paralateronasal approach) |