Skull Base Inverted Papilloma: A Comprehensive Review

Table 4

Signs and symptoms of invading IP, classified by site of invasion.

Intracranial Invasion	Symptoms	Signs
Anterior cranial fossa via; the cribriform plate	Anosmia or symptoms related to; displacement of the globe	Anosmia, proptosis
Orbital involvement	Proptosis, periorbital swelling,; epiphora, diplopia, blurred vision,; trigeminal paresthesias, trismus,; retroorbital pain and visual loss, or; complain of facial numbness	Impaired ocular mobility, anesthesia; or hypesthesia of the infraorbital,; sphenopalatine, or greater palatine; nerves
Inferior extension into; the oral cavity	Painful loose teeth, poorly fitting; dentures, mass in the oral cavity,; swelling of cheek, nose, or around the; eye.	Oral cavity mass on the palate, upper; Alveolus, or upper gingivobuccal sulcus; or with malocclusion or loose teeth