OBJECTIVE: To describe a patient with polyposis nanossinusal and bibliographic review; CASE REPORT: A female patient of 29 years of age residing in San Lorenzo, Paraguay, who consults for a frame of 10 years of development of bilateral nasal obstruction, most important on the left clear rhinorrhea, sneezing and nasal itchiness. Treatment with cetirizine and mometazone nasal spray with partial improvement of symptoms; CONCLUSION: A table is very common syndrome of nasal obstruction in a young patient who does not respond satisfactorily to medical treatment is established why the surgical endoscopic with findings consistent with sinonasal polyposis, septum deviation and turbinate hypertrophy, with marked improvement after surgery.