Table 1.

Number of affected paranasal sinuses in pre- and post-HSCT computed tomography.

Paranasal sinus	Maxillary	Anterior ethmoid	Posterior ethmoid	Frontal	Sphenoid
Pre-HSCT	6 (75%)	1 (12.5%)	0	0	1 (12.5%)
Post-HSCT	13 (54%)	7 (29.2%)	1 (4.2%)	2 (8.4%)	1 (4.2%)