case_images: PMC11059456_01
case_images: Coronal and axial post-contrast CT images. CT imaging (coronal and axial post-contrast) demonstrating left sided pre-septal cellulitis with inflammatory changes of the left temporalis muscle with left maxillary and ethmoid sinuses.
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case_images: A CT scan demonstrated left sided pre-septal cellulitis with extension of inflammatory changes into the left temporalis muscle and left sided sinusitis predominantly involving the left maxillary antrum and ethmoid air cells (see Fig. 1).
case_images: Coronal and axial T1 post-contrast MRI images. MRI images (T1 weight, post-contrast coronal and axial) demonstrating left ethmoid and maxillary sinusitis, infection of the left temporalis muscle, left frontal cerebritis, and trace subdural empyema.
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case_images: An MRI brain demonstrated extensive left sided paranasal sinus disease, abscess formation within the temporalis muscle, subdural empyema and left frontal cerebritis (see Fig. 2).
case_images: Coronal and axial T1 post-contrast MRI images. MRI images (T1 weight, post-contrast coronal and axial) demonstrating progress of left frontal cerebritis into a complex abscess with internal fluid levels, peripheral enhancement and surrounding vasogenic oedema.
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case_images: Progress MRI completed 2 weeks after the initial procedure demonstrated evolution of the cerebritis into a ring-enhancing complex collection with internal fluid levels, evidence of mass effect and possible early ventriculitis (see Fig. 3).
case_images: Coronal and axial T1 post-contrast MRI images. MRI images (T1 weight, post-contrast coronal and axial) demonstrating significant improvement in the appearances of the left frontal cerebral abscess and resolution of mass effect.
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case_images: A repeat MRI scan at this point, demonstrated resolution of the intracranial abscess (see Fig. 4).