Case Reports in Otolaryngology / 2013 / Article / Fig 1

Case Report

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

Figure 1

Linear measurements of frontal sinus in the coronal plane (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).

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