PMC9530368_01
Endoscopy failed to reveal obvious structural auxiliary abnormalities, or abnormalities in the nasal cavity or nasopharynx.
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F1
Endoscopy failed to reveal obvious structural auxiliary abnormalities, or abnormalities in the nasal cavity or nasopharynx (see Figure 1).
Axial and coronal computed tomography of the nose showed only paranasal sinusitis.
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F2
Axial and coronal computed tomography of the nose showed only paranasal sinusitis (see Figure 2).
Brain magnetic resonance imaging only showed a few ischemic foci in the brain parenchyma and paranasal sinusitis.
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F3
And brain magnetic resonance imaging only showed a few ischemic foci in the brain parenchyma and paranasal sinusitis (see Figure 3).
The timeline of treatment.
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F4
A timeline of treatment is shown in Figure 4.