Atypical Nasal Polyps


Authors: B. Lischkeová;  V. Campr *;  M. Taudy
Authors‘ workplace: Klinika otorinolaryngologie a chirurgie hlavy a krku 1. LF UK a FN Motol, Praha, katedra otorinolarygologie IPVZ, Praha, přednosta prof. MUDr. J. Betka, DrSc. Hlavův I. patologicko-anatomický ústav, Praha, přednosta doc. MUDr. V. Mandys, CSc. *
Published in: Otorinolaryngol Foniatr, , 2000, No. 1, pp. 7-10.
Category:

Overview

Nasal polyps are usually no diagnostic problem. From the histological aspect they canbe divided into four categories: allergic, chronic inflammatory, fibrous polyp, polyp with hyperplasiaof the seromucinous glands and polyp with atypical stroma. In the group of polyps with atypicalstroma situations may develop where the assessment of the diagnosis is more complicated. Thisapplies e.g. to cases where there is a not quite typical unilateral affection of the maxillary sinus,where on the CT picture a skeletal defect is apparent. This arouses suspicion of a malignant disease.Even histological diagnosis is not always simple, atypical stroma cells may be present which arousein case of a clinical finding iitumor cavi nasi et sinuum paranasaliuml. suspicion of malignity. Themost reliable differential sign is the absence of mitotic activity. The authors present the case-historyof a 22-year-old woman and a 23-year-old man. Both had unilateral polypous to tumourous changesin the nose, on the CT obturation of the maxillary sinus with defects in the bony border of themaxillary sinus, biopsy of the nasal tissue was suspicious of neoplastic disease. In case of the femalepatient, based on the biopsy taken during sinotomy, chemotherapy on account of sarcoma of thesinuses was started and only after revision of the histological preparations the diagnosis waschanged to atypical polyp. The authors assume that an inflammatory pseudotumour of the maxillarysinus with propagation into the nose be classified as an atypical polyp.

Key words:
atypical nasal polyp, histological classification of nasal polyps, inflammatorypseudotumour of the maxillary sinus.

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Labels
Audiology Paediatric ENT ENT (Otorhinolaryngology)
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