A large part of the work of the pediatrician concerns infections, even in the field of infant nutrition. A large proportion of these infections consist of, or result from, upper respiratory inflammation. For many years the importance of diseased tonsils and adenoids has been realized, both in their direct and indirect effects. That paranasal sinus infection is of equal importance is realized only incompletely. This is due to the more recent recognition of the rôle of sinus disease, and to the fact that the knowledge of its importance has not been disseminated sufficiently.
That sinus disease occurs with considerable frequency in certain parts of this country has been shown by a number of observers.1 The opinion is encountered that there is a tendency to overemphasize its importance in children, because it is a new idea and therefore a new panacea, and that it can only take its proper place