Cervical
Prevertebral soft tissue
Extension (average)
Table
Radiography (Lateral)
C1 | 3.6 mm |
C2 | 3.8 mm |
C3 | 4.1 mm |
C4 | 6.1 mm |
C5 | 15.2 mm |
C6 | 13.9 mm |
C7 | 11.9 |
Reference
Penning L. Prevertebral hematoma in cervical spine injury: incidence and etiologic significance. AJR Am J Roentgenol. 1981;136 (3): 553-61.
Pubmed ID: 6781295