Quistes nasoalveolares. Presentación de 5 nuevos casos / Nasoalveolar cyst. Five new cases

RESUMEN

Inverted papilloma is a benign sinonasal tumour with a high recurrence rate and its treatment must be surgery, using endonasal surgery or external aproach. We present a retrospective study of 23 cases treated in our center from 1988 to 2003. There 15 males and 8 females with a mean follow-up of 6 years. The recurrence rate was 40,9%. Patients who underwent endonasal surgery had a recurrence rate of 36,6% and those who underwent external approach surgery had a recurrence rate of 45,5%. There was a 4,5% of association with carcinoma. Endonasal surgery might be a valid surgery approach for the treatement of inverted papilloma in select cases

ABSTRACT

Nasoalveolar cyst are nonodontogenic maxillary cysts, rare and benign, which are more common in females and blacks. Their diagnosis can be established mainly on the clinical presentation, being usually asymptomatic during several years until they are large enough to cause cosmetic deformities and/or nasal obstruction, with asummetrical alarflare. The treatment of choice is the complete surgical excision via a sublabial approach. Five cases diagnosed an treated at the Santa María del Rosell Hospital are reported, describing the most relevant clinican and pathological findings, so the diagnostic and therapeutic methods: