TABLE 4.

Findings in MRI During an Acute Respiratory Infection and a Follow-up Visit 2 Weeks Later in a Series of 26 Children With Major Abnormal Findings in the First Scan

SinusAcute VisitFollow-up Visit
NormalMinor AbnormalityMajor AbnormalityMean Score (SD)NormalMinor AbnormalityMajor AbnormalityMean Score (SD)
n (%)n (%)n (%)n (%)n (%)n (%)
Maxillary26 (100)2.7 (0.4)10 (38)7 (27)9 (35)1.3 (1.3)
Ethmoidal3 (12)23 (89)2.5 (0.7)8 (31)6 (23)12 (46)1.3 (1.1)
Frontal*3 (21)4 (29)7 (50)1.7 (1.2)12 (75)1 (6)3 (19)0.6 (1.1)
Sphenoidal8 (35)2 (8)13 (55)1.7 (1.4)15 (60)4 (16)6 (24)0.8 (1.1)
Overall12.7 (5.6)5.7 (5.2)
  • * Frontal sinuses were not developed in 10 children and not displayed in the slices in the acute visit in 2 children.

  • Sphenoidal sinuses were not developed in 1 child and not displayed in the slices in the acute visit in 2 children.

  • Calculated for all of the sinuses on both sides.