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Introduction: Mycotic infection of paranasal sinus could be the etiological factor of chronic sinusitis. The increase in number of fungal sinusitis cases have been reported recently among nonimmunocompromised patient after endodontic treatment of maxillary teeth. Nonspecific clinical signs and incorrect radiologic pictures interpretation as well as loss of therapeutic standards seems to be the cause of false negative diagnosis and difficulties in treatment of fungal sinusitis., Aim of the Study: Clinical and radiological picture of maxillary sinus aspergillosis was described in this paper., Material and Methods: In the period of 2006-2009 in the Department of Maxillo-Facial Surgery 19 patient with fungal maxillary sinusitis was treated. The endodontic treatment of maxillary teeth of the related side was performed previously in 80% examined cases. In 2 cases there were immunocompromised patients with immunosuppressive treatment. In 16 cases patients were referred to our Department due to metallic foreign body of the maxillary sinus. Routine diagnostic radiological imaging was performed in each case: paranasal sinus view--Water's view and panoramic radiograph (orthopantomograph). In 4 cases imaging was extended with computer tomography (CT) visualization. The surgical treatment was performed in each case. The final diagnosis was puted on histopathological examination and fungal culture., Results: In 16 cases of analysed group histopathological examination and fungal culture revealed aspergilosis. In 2 cases fungal culture was negative, but histopathology slices confirm presence of hyphae of Aspergillus. In 1 case the root canal sealer was found in the maxillary sinus. In none case invasive form of aspergillosis was confirmed. In all cases Water's view of paranasal sinuses and ortopantomograph showed partially or totally clouded sinus with well-defined, single or multifocal radiopaque object similar to metallic foreign body. Characteristic finding in CT imaging was well-defined radiodence concretions that have been attributed to calcium deposits in inflammatory changed mucosa, that might suggest "foreign body" picture. In 1 to 3 years follow-up control there was a recurrence of symptoms in one case., Conclusions: Foreign body of maxillary sinus have to be differentiated with aspergilosis. Metallic "foreign body" view in maxillary sinus seems to be characteristic sign of aspergillosis. The most often form of maxillary sinus aspergilosis is aspergilloma.

Introduction: The aim of this work was to analyse the bacterial and fungal flora in maxillary sinuses in patients operated due to the FESS method., Material and Methods: Studies were conducted on 110 patients, including 47 women aged 17-78 and 63 men aged 17-66, who underwent endoscopic surgical procedures due to chronic polypoid maxillary sinusitis between 2006 and 2007. 214 cultures were prepared altogether. During the endoscopic operation on paranasal sinuses, a cannula was introduced along the natural entrance and material for the culture and antibiogram was removed by suction., Results: In the studied material of 214 cultures, 72 (33.6%) cultures obtained positive results, including 2 cases with bacterial and fungal floras present simultaneously (Aspergillus fumigatus and Aspergillus niger) in 38 operated patients. In 25 (34.5%) cultures we noted the presence of Staphylococcus epidermidis, which was sensitive to the following antibiotics: Cotrimoxazole, Rifampicin, Vankomycin, Teicoplanin and Levofloxacin. Staphylococcus epidermidis was isolated in 22 (31.0%) cultures, showing 100% sensitivity to similar antibiotics like the previous one. Another bacteria (Escherichia coli) was cultured in 10 cultures (13.8%), in 70% of the cases every second bacteria was Staphylococcus epidermidis with 100% sensitivity mainly to cephalosporins and aminoglycosides. In 3 cultures (4.17%) we found Klebsiella pneumoniae, with 100% sensitivity to cephalosporins and aminoglycosides and 100% resistance to penicillins. In three cases Pseudomonas fluorescens and Proteus mirabilis (4.17% each) were cultured with their sensitivity and resistance similar to those of Klebsiella pneumoniae. Two cases (2.8% each) in the cultures were noted: Citrobacter freundii, Streptococcus oralis and Hafnia alvei, which were 100% sensitive to some cephalosporins and aminoglycosides whereas their resistance to penicillins and Cefuroxime was as high as 100%., Conclusion: In the operated patients suffering from chronic polypoid maxillary sinuses we found 33.6% of positive results in the bacterial flora. This indicates that the changes were accompanied by an acute inflammatory condition, thus surgical procedures had to be followed by a guided antibiotic. The cultured bacteria demonstrated sensitivity to some cephalosporins and aminoglycosides and resistance to penicillins, which proves the abuse of penicillins in the treatment of acute inflammatory states of upper airways.

The authors present the case of primary actinomycosis of maxillary sinus. The frequency of the disease, differential diagnosis and treatment we present.

The authors described serious irreversible ophthalmic and orbital complications (blindness and total ophthalmoplegia) which occurred during maxillary sinus surgery (Caldwell-Luc) in two patients.

The authors showed ophthalmical and orbital complications after operation of maxillary and ethmoid sinus in own material. Complication of optic organ (diplopia) was the most serious one.

Maxillary and frontal sinuses communicate with nasal cavity via very narrow and complicated clefts, which are the part of anterior ethmoid. Any disease changes in this area usually cause the obstruction of ventilation and drainage of these larger sinuses. Subsequently the inflammation can develop. Therefore these narrow clefts of anterior ethmoid hold the key position for normal function and the pathophysiology of larger paranasal sinuses. Accurate diagnosis of diseased areas and reestablishing sinus ventilation and drainage via natural ostia is the base of treatment of sinusitis.