Thorax, Mediastinum, Heart, and Great Vessels: Thymus Size from 0 to 2 Years of Age
Material and Methods
Mediastinal ultrasonography was performed in 151 infants (79 boys and 72 girls; Table 6.2 ). All children were healthy and had no stress factors affecting their thymic size. The maximum transverse diameter, right lobe AP, and left lobe AP were assessed. Perpendicular to the transverse plane, the longest craniocaudal dimension (length) was assessed. The thymic index was calculated by multiplying the transverse diameter by the largest sagittal area ( Fig. 6.3 ).