Table 2.

Volume measurements (mm³) of frontal, maxillary, and sphenoid sinuses and mastoid air cells.

	Patient	Karakas and Kavakli [2]	Pondé et al. [3]	Kim et al. [8]
Frontal sinus
Right	36338
Left	38902
Total	75240	8410 ± 4030	8028 ± 6081	4430
Maxillary sinus
Right	23988	15040 ± 5200		17259
Left	24240	15970 ± 6650		17415
Total	48228	30980 ± 11410		34675
Sphenoid sinus
Right	9962
Left	11396
Total	21358	8530 ± 4190		10671
Mastoid air cells
Right	24986	9790 ± 2820		5463
Left	31160	9690 ± 2960		5911
Total	56146	19480 ± 5620		11374