Ultrasound and antral lavage in the examination of maxillary sinuses
Volume: 39 - Issue: 1
First page: 39 - Last page: 42
J. Haapaniemi - E. Laurikainen
DOI: 10.4193/Rhin
Two hundred and ninety maxillary sinuses in 206 patients, suspected of having acute or prolonged maxillary sinusitis, were examined using ultrasound (US) and then irrigated with isotonic saline. The results of the antral lavage and the US were compared and various US recording variables were analyzed. The sensitivity of US examination to find maxillary sinus secretion was 77% and the specificity 49%. The distance from the initial echo to the back wall echo (BWE) and the ratio of the echo-free area to the distance from the initial echo to the BWE were sensitive indicators of the presence of maxillary sinus secretion. The results suggest that US is a relatively sensitive method also in the diagnosis of prolonged maxillary sinus inflammations. However, its low specificity weakens its value in clinical work. The usability of US in the diagnosis of maxillary sinusitis can be increased by intermittently controlling US findings by sinus puncture. This is of particular importance for general practitioners, but also for specialists.
Rhinology 39-1: 39-42, 2001
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