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Primary inverted papilloma of the middle ear with intracranial invasion
Andrés Coca-Pelaz1, Justo Gómez-Martínez1, Blanca Vivanco-Allende2
1Department of Otorhinolaryngology, Hospital Universitario Central de Asturias, Oviedo, Spain.
Background:
Primary inverted papillomas of the middle ear are extremely rare tumors, with only few cases published in the literature. They have a characteristic epithelium surface inversion to the inside of the stroma. Inverted papillomas are benign lesions but have a high propensity of recurrence, local aggressiveness, and association with malignancy.
Methods:
We present a patient with an inverted papilloma originating in the middle ear producing chronic otorrhea and facial nerve palsy treated with a subtotal petrosectomy.
Results:
During the follow-up, the patient developed an intracranial invasion of the tumor causing his death.
Conclusion:
Primary inverted papillomas of the middle ear can have an extremely aggressive behavior despite their benign characteristics; therefore, an aggressive treatment must be performed in order to minimize the possibility of recurrence.

