Neck
Retrotracheal space
Maximal diameter at C5
Table
Radiography (Lateral)
0-1 y/o | 2.0 cm |
1-2 y/o | 1.5 cm |
2-14 y/o | 1.2 cm |
Reference
Hay PD, Jr. The Neck: A roentgenological study of the soft tissues: Consideration of the normal and pathological. III. Normal necks (infants and children). Ann Roentgenol Vol 9. New York: Hoever, 1930, p22.