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inflammation of the membrane lining a sinus, esp a nasal sinus
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



an inflammation of the paranasal sinuses in man and animals. In humans, acute sinusitis usually arises as a complication of influenza, acute respiratory diseases, or other infectious diseases; chronic sinusitis develops from acute sinusitis that has not been completely cured.

The general symptoms of acute sinusitis include elevated body temperature, headache, abundant nasal discharge, and difficulty in breathing through the nose, most often on one side. With chronic sinusitis, there is usually no increase in body temperature and the other symptoms are less pronounced. Localization of the process determines the symptoms. Sinusitis may be catarrhal or purulent, depending on the type of inflammation. With chronic sinusitis, proliferations of the mucosa (polyps) often form in the paranasal sinuses and the nasal cavity.

Several different forms of sinusitis are distinguished, depending on which sinus is affected. The most common form is maxillary sinusitis, which is an inflammation of the maxillary sinus. With frontal sinusitis, the frontal sinus becomes inflamed; with ethmoid sinusitis, the ethmoidal labyrinth; and with sphenoid sinusitis, the sphenoidal sinus. Sometimes the inflammatory process spreads to all the paranasal sinuses on one or both sides (pansinusitis). Treatment includes the use of medicinal agents, the administration of heat (hot-water bag, compress), and physical therapy. Sometimes surgical treatment is indicated. Prophylaxis includes the timely treatment of the cause of the disease. [23–1294–]

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.


Inflammation of a paranasal sinus.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Results: The sensitivity of Ultrasonography in diagnosis of maxillary sinusitis keeping MRI as Gold Standard was quite low at 40.15%.
show a recurrence rate of 1.4% for maxillary sinusitis (2/135) linked to restenosis of maxillary ostium [4].
Sandulescu, "Management of acute maxillary sinusitis after sinus bone grafting procedures with simultaneous dental implants placement--a retrospective study," BMC Infectious Diseases, vol.
The association of CG with maxillary sinusitis, such as that found in our cases, was a common occurrence [1, 5, 8] and according to meta-analysis of Arias-Irimia et al.
Methods: Ten mucosal biopsy samples collected during the surgeries of patients with recurrent odontogenic maxillary sinusitis were selected as Group A.
Varonen H, Rautakorpi UM, Huikko S, Honkanen PO, Klaukka T, Laippala P, et al P (2004) Management of acute maxillary sinusitis in Finnish primary care.
A significant increase occurred between the two time periods in the proportion of cases due to MRSA among the adults aged 18-75 years who presented with acute maxillary sinusitis (fever and nasal discharge lasting between 7-10 and 30 days) or chronic sinusitis (symptoms lasting more than 30 days).
For some areas there is additional supporting evidence, and in Britain, for instance, maxillary sinusitis prevalence remains low until post-Roman times.
Computerized tomography (CT) scan of the orbits revealed bilateral maxillary sinusitis (Figure 2) and preseptal and subperiosteal phlegmon involving the medial wall of the orbit and dehiscence of the left ethmoid sinus roof at the level of the cribriform plate.
LEVAQUIN is dosed once-daily and indicated for a wide variety of infections including, community-acquired pneumonia, nosocomial pneumonia, mild to moderate cases of complicated urinary tract infections, acute pyelonephritis, uncomplicated urinary tract infections, acute maxillary sinusitis, acute bacterial exacerbation of chronic bronchitis, and chronic bacterial prostatitis.
Objective: To compare the results of antral washout with and without metronidazole irrigation of maxillary sinus in patients with chronic maxillary sinusitis.