Excessive Paranasal Sinuses and Mastoid Aeration as a Possible Cause of Chronic Headache

<table>The frontal lobe looks smaller in size due to the enlargement of the frontal sinus. Linear measurements of maxillary sinus (RW: width of the right sinus, LW: width of the left sinus, RH: height of the right sinus, and LH: height of the left sinus).</table>

Case Reports in Otolaryngology

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Figure 4

Figure 4: Excessive Paranasal Sinuses and Mastoid Aeration as a Possible Cause of Chronic Headache 