Pneumatisation of the maxillary sinus in normal and symptomatic children

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Abstract
The pattern of pneumatisation and normal width of the maxillary sinus in 191 Nigerian infants and children whose age range was 6 months to 14 years was determined. Fifty-four percent of children with no respiratory tract or sinus infection had an opaque maxillary sinus. A figure of 44.5% was obtained amongst children with suspected bronchopneumonia. Only 41.5% of suspected cases of sinusitis, acute and chronic middle ear disease had opaque sinuses. The highest rate of sinus opacity was seen in children under 2 years who were asymptomatic. The mean maximal width of the normally aerated sinus was 8.74 mm for children under 2 years, 16.5 mm for 3–6 years, 21.5 mm for 7–11 years and 25 mm for children 12 years and above. We conclude that maxillary sinus opacity in our experience is an unreliable index for the diagnosis of sinusitis in children.

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