Oct 7, 2017 · The basion is the median (midline) point of the anterior margin of the foramen magnum. The apical ligament attaches to it. It is one of the skull landmarks, craniometric …

Apr 5, 2022 · The basion-dens interval (BDI) is the distance between the basion and the tip of the dens, used in the diagnosis of atlanto-occipital dissociation injuries. It is the distance from the …

Jul 14, 2022 · McRae line is a radiographic line drawn on a lateral skull radiograph or on a midsagittal section of CT or MRI that connects the anterior and posterior margins of the …

Basion is located at the middle of the front edge of the foramen magnum. This specific point is an important craniometric landmark used in radiological measurements of the skull to identify …

The basion is located at the midpoint on the anterior margin of the foramen magnum. The alar ligament , which is attached on each side to the tubercle of occipital condyle , divides the …

Oct 26, 2024 · Acquired instability is treated with observation or occipitocervical fusion depending on the presence of neurologic deficits. intrinsic ligaments are located within the spinal canal …

5 days ago · The meaning of BASION is the midpoint of the anterior margin of the foramen magnum.

The basion-dens interval is the distance between the tip of the clivus and dens (red line). A basion-dens distance of >12 mm on radiographs and >8.5 mm on CT is suggestive of …

Anterior boundary: line connecting the anterior nasal spine (ANS) and the apex of the nasal bone; posterior boundary: line extending from sella (S) to posterior nasal spine (PNS); superior …

Basion-Axial Interval (BAI) Range. Normal Ranges : < 12 mm. Dynamic (Translation) see following page: Studies reveal that patients with 3mm + BAI translation from Flexion to …