The paranasal sinuses and the mastoid air-cell systems are evaginations of the mucous membrane of the nasal and nasopharyngeal cavities . Separate theories regarding their pneumatization have been suggested. However, correlation studies between the two systems giving a possible clue to a common pneumatizing process have been few (1 , 2]. One hundred adult patients without ear disease and minima...

Malignant tumors of the paranasal sinus are uncommon, constituting less than 1% of all malignancies and 3% of all head and neck cancers. Nonsquamous cancers of the maxillary sinus are even rarer as is evident from the limited data available on the clinical characteristics and outcomes. Mucoepidermoid carcinoma accounts for 13% of all malignancies occurring in maxillary sinus. We report a rare c...

In the treatment of bronchospastic states, primary bacterial bronchial asthma and asthmatic bronchitis, one of the most controversial aspects is the use of bacterial vaccines. In general, the treatment of these conditions is symptomatic, neglecting for the most part the existing bacterial allergy. At present, as a result of great advances in the immunotherapy of these disorders, the importance ...

OBJECTIVE To evaluate the use of sinoscopy for detection and treatment of ventral conchal sinus (VCS) and/or rostral maxillary sinus (RMS) disease in horses. STUDY DESIGN Case series ANIMALS Horses (n=60) with suspected paranasal sinus disease. METHODS Horses were evaluated by sinoscopy through a conchofrontal sinus (CFS) portal with ventral conchal bulla (VCB) fenestration. Other endosco...