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72 5 Diagnostic Imaging of Diseases of the Skull
form of injury to the skull represents the second most mandible are easier to obtain without superimposition
common injury of the feline body. [88, 92]. Multidetector CT examinations of head trauma
A crucial consideration in management of a traumatized cases have replaced skull radiographs when available.
cat is the timing of diagnostic imaging. Specifically, patient These can be performed on awake cats and a whole‐cat
stabilization prior to imaging is critical, as rare imaging study can be acquired in around 1–2 minutes [11, 12]. It
diagnoses will alter the initial management steps in this has also been shown that CT identifies more traumatized
phase of treatment. Radiographs can be performed, but do areas of the skull, with significant differences seen for
require patient manipulation and should not be initiated intraarticular fractures, nasomaxillary suture separation
until appropriate pain management has been instituted. and fractures involving the maxillary midline, palatine
Radiographs are best used to evaluate for fractures or bone, palatine process, and vomer (Figure 5.24) [93]. It is
luxation (Figure 5.23). In some feline patients, a radio - uncommon for MRI to be performed on the skull unless
graphic examination may be sufficient, since 11.3–23.1% there is concern for involvement of the central nervous
of fractures involve the mandible and radiographs of the system, as discussed in Chapter 6.
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