Article Figures & Data
Tables
Classification Number Percentage of Total Images (n=225) Percentage of Total Abnormalities (n=47) Requiring no referral 28 12% 60% Requiring routine referral 17 8% 36% Requiring urgent referral 1 <1% 2% Note.—Findings were from 225 research MR images obtained in a cohort of neurologically healthy children.
Classification and Abnormality Number No referral required Chronic sinusitis 21 Arachnoid cyst 2 Frontal venous angioma 2 Mega cisterna magna 2 Ventricular asymmetry 1 Chronic sinusitis with pineal cyst 1 Routine referral required 6 Acute sinusitis 5 Focal white matter lesion of uncertain etiology 3 Tonsillar ectopia 1 Hypoplasia pons 1 Petrous apex lesion 1 Acute sinusitis with arachnoid cyst Urgent referral required, cerebellar tonsil lesion uncertain etiology 1 Note.—Abnormalities were detected on 225 conventional research brain MR images in a cohort of neurologically healthy children.
Classification and Abnormality No. of Subjects by Age (y) 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 No referral required Chronic sinusitis 0 1 0 0 0 0 1 3 3 2 4 1 4 2 0 0 0 0 Arachnoid cyst 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 Frontal venous angioma 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 Mega cisterna magna 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 Ventricular asymmetry 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Chronic sinusitis with pineal cyst 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 Routine referral required Acute sinusitis 0 0 0 0 0 0 1 2 0 0 1 0 0 1 1 0 0 0 Focal white matter lesion of uncertain etiology 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2 1 1 0 Tonsillar ectopia 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 0 0 0 Hypoplasia pons 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Petrous apex lesion 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 Acute sinusitis with arachnoid cyst 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 Urgent referral required, cerebellar tonsil lesion uncertain etiology 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 Classification Percentage of Total Images Percentage of Total Abnormalities by Sex Female (n=125) Male (n=100) Female (n=18) Male (n = 29) Total abnormalities 14% (18) 29% (29) 100% (18) 100% (29) Requiring no referral 9% (11) 18% (18) 61% 62% Requiring routine referral 6% (7) 10% (10) 39% 34% Requiring urgent referral 0% (0) 1% (1) 0% 3% Note.—Data in parentheses are the number of abnormalities.
- TABLE 5:
Incidental Findings by Referral Classification and Sex, with Findings of Sinusitis Removed
Classification Percentage of Total Images Percentage of Total Abnormalities Female (n=125) Male (n=100) Female (n=3) Male (n = 17) Requiring no referral <1% (1) 7% (7) 33% (1) 41% (7) Requiring routine referral 2% (2) 9% (9) 67% (2) 53% (9) Requiring urgent referral 0% (0) 1% (1) 0% (0) 6% (1) Note.—Findings of sinusitis requiring no referral were removed from the analysis because of their clinical insignificance. Data in parentheses are the number of abnormalities.
