Normal Bull's Angle Size on X-ray, CT & MRI
Normal Bull's angle of the cervical spine measures less than 13° on lateral radiography, CT, and MRI, serving as a key indicator of atlantoaxial instability.
Craniocervical Junction
4 entries
B
D
Normal Dublin's Distance Size: Radiography, CT & MRI
Normal Dublin's Distance ranges 2–5 mm (mandible–atlas) and 9–12 mm (mandible–axis) on lateral cervical imaging across radiography, CT, and MRI.
F
Normal Fischgold's Bimastoid Line Size on X-ray, CT, MRI
Normal Fischgold's bimastoid line measurement: the odontoid tip should lie less than 10 mm above this craniometric line on X-ray, CT, or MRI.
W
Normal Wackenheim's Angle Size on X-ray, CT & MRI
Normal Wackenheim's angle measures >150° on lateral imaging; learn its clinical significance for craniocervical junction stability assessment.
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