Radiographic evaluation of maxillary sinus by computed tomography.

The radiographic appearance of the paranasal sinuses is less accurate in infants and children than in adults, as in infants the cavities are smaller and the margins of the healthy sinuses are often indistinct Moreover, the details of the infantile cranial bones themselves are not sharp owing to the lesser contrast in density between relatively thin bones and soft tissues of the infantile skull (Simon 1975)