Radiology Flashcards
Normal ADI for Adults and Children
Adult: 1-3mm
Child: 1-5mm
Sagittal dimension of the cervical spinal canal
Canal stenosis <12mm
Normal cervical lordosis
35-45°
Stress lines of the cervical spine for Flexion and Extension
Flexion: C5-6 disc
Extension: C4-5 disc
Measurements for prevertebral soft tissue of c-spine
C1: 10mm C2: 5mm C3: 7mm C4: 7mm C5: 20mm C6: 20mm C7: 20mm
Thoracic cage dimensions for normal and straight back for male and female
Normal male: 11-18cm
Normal female: 9-15cm
Straight back male: 9-13cm
Straight back female: 8-11cm
Lumbar intervertebral disc angles
L1-2: 8° L2-3: 10° L3-4: 12° L4-5: 14° L5-S1: 14°
Lumbar lordosis
Normal: 50-60°
Lumbosacral disc angle
Normal: 10-15°
Interpedunculate distance for cervical, thoracic and lumbar
Cervical minimum: 24mm
Thoracic minimum: 14mm
Lumbar minimum: 21mm
Eisensteins method for canal stenosis
<15mm