common c-spine fractures and imaging Flashcards
where are most cervical spine fractures?
between c5-c7
(then C1-C2)
whats a jefferson fracture?
axial loading injury at C1
what is a hangman fracture?
extension injury
fx of posterior elements of C2
what is an odontoid process fracture?
flexion or extension injury more common in elderly
this question is back related: what are the red flags to image someone early on for back pain?
severe progressive neuro deficit
minor trauma in osteoporotic pts
major trauma in all other patients
prolonged corticosteroid use
hx of cancer or unintentional wt loss
recent bact infx
fever
immune suppression
where do compression fractures most frequently occur?
middle lower thoracics and upper lumbar
what is the major cause of morbidity in geriatric pop?
compression fx
what do punches out lesions of brain mri indicate?
multiple myeloma
what is the most primary bone malignancy?
multiple myeloma
whats the imaging of choice for sinusitis?
CT
is imaging indicated for uncomplicated sinusitis?
NO: COMPLICATED SINUSITIS GETS CT ONLY
whats the modality of choice for eval facial and skull fx?
CT
whats the modality of choice for acute head/neck trauma?
CT
whats the modality of choice for detecting acute hemorrhage?
CT
whats the modality of choice for eval spinal cord and intracranial abnormalities?
MRI
what intracranial abnormalities get an MRI?
head and neck tumors
white matter dz
multiple sclerosis
congenital brain abnormalities
WHAT IS FIRST LINE imaging in eval most injuries and arthritis?
CT d/t bone detail and fracture fragment eval
what imaging choice shows occult fx?
MRI
what is the imaging of choice for detecting skeletal metastases?
bone scan
what are the AABCS?
adequacy
alignment
bone
cartilage
soft tissues
are fracture lines opaque or lucent?
lucent
