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Diagnostic Imaging

Cervical Trauma

QuestionAnswer
what are the most common levels to be injuried? C2 & C6
what is the most common structures to be injured in the cervical spine? posterior arch
what are the measurements of the retropharyngeal and retrotracheal spaces? retropharyngeal= 7 mm retrotracheal= 20mm
what are the measurements of the ADI and what does it mean when it over the measurement? adults= 3mm and children = 5mm. it means there is a disruption of the transverse ligament.
what is the mechanism of injury for a posterior arch fracture? hyperextension injuries
what are the classic findings for a Jefferson fracture? lateral displacement of the lateral masses(<3mm)
what type of trauma that is only in newborns or young children?What are the complication? Fixed rotary subluxation of the atla. undiagnosis can lead to deformity of the facial structures.
Describe the types den's fractures. type 1- tip of the den fx type 2- m.c fracture at base of the dens due to hyperflexion or hyperextension type 3- fracture through C2 body
what structure is fracture on a Hangman's fracture and what is the mechanism of injury? C2 pedicles. due to hyperextension.
An unstable or stable from on the lower cervical spine due to shearing forces usuall on the inferior corner Teardrop or corner Fx
due to axial compression with some degree of flexion.involves the the anterior and middle column and one or more endplates. Burst fracture
how does a burst fracture show on xray body enlarge in the axial plane widen interpedicular distance paraspinal line displaced retropulsion of posterior fragments
what is the mechanism of injury for an unilateral facet dislocation? flexion with rotation
what is the most common level to have a bilateral facet dislocation? C4-C7
Spinous process fracture at C7 due to avulsion injury or direct blow Clay Shoveler's
what is the radiographic finding for a Clay Shoveler? double spinous sign on APLC
what are the most common sites for the lamina to be fractured? C5 and C6
what is the most common site for an articular pillar fracture and what is the mechanism of injury? C6.Mechanism of injury is lateral flexion
what are the complications of a lower cervical complication? neurological damage,vascular injury,non-union fractures,biomechanical changes and DJD
Created by: 775945047