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Article
April 1932

COLLEGE OF PHYSICIANS OF PHILADELPHIA, SECTION ON OTOLARYNGOLOGYJan. 20, 1932

Arch Otolaryngol. 1932;15(4):657-662. doi:10.1001/archotol.1932.03570030676021

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Abstract

THE ANATOMY OF THE PARANASAL SINUSES IN CHILDREN. DR. J. PARSONS SCHAEFFER.

There is not much that is new to present. It is well to have facts that are not entirely new presented at meetings in order that no confusion may arise. There is such a vast amount of material available on this subject that it is difficult to select the most important items. The accessory sinuses are old, phylogenetically. They appear as early as the ninetieth day in the fetus. It has been frequently stated that the sphenoid sinus does not appear until near the age of puberty. All the sinuses begin to appear about the hundredth day of fetal life and then expand. At birth the ethmoid sinus is of clinical value, the sphenoid sinus may be as large as a pea and, while the frontal sinus as such is not in position, the antrums are already present.

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