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[Clinical study of routes of onset of inflammatory diseases in the maxillary sinuses].

Pathways of the maxillary sinus diseases is an interesting issue investigated by many authors during the past decades. The goal of this research was to study the pathways of infection spreading into the maxillary sinuses and to compare them in relation to their frequency, underlying causes and general epidemiologic characteristics of the involved population. A total number of 150 adult patients of both gender suffering different diseases of maxillary sinuses were included into the study. Pathways rising maxillary sinuses diseases were diagnosed on the basis of standard clinical procedures including CT scean and MRI of the region. We found inflammatory processes to dominate the tumorous ones (107:43 patients). Rhinogenic type of sinusitis was the most frequent disease (72 patients) while odontogenic sinusitis (35 patients) was significantly less frequent. No case of traumatic or hematogenic maxillary sinusitis was found. Rhinogenic maxillary sinusitis is characterised by spontaneous onset while odontogenic one is mostly of arteficial origin after surgical procedures in the oral cavity (88% of patients). In contrast to rhinogenic type, odontogenic maxillary sinusitis is far more frequent in younger patients.