PMC7522375_01
Coronal CT sinuses show extensive disease with a marked expansion of the sinuses, more pronounced in the right frontal sinus. This results in the dehiscence of the posterior wall and intracranial extension.
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CT sinuses showed extensive disease with a marked expansion of the sinuses with dehiscence of the posterior wall and intracranial extension (Fig. 1).
Sagittal T1 postcontrast MRI shows the right frontal sinus expansion and intracranial extension pushing the frontal lobe posteriorly limited by an intact dura. The sphenoid sinus expanded with an upward displacement of the pituitary fossa.
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MRI showed right frontal sinus expansion and intracranial extension limited by an intact dura (Fig. 2).
Intra-operative Navigation assisted endoscopic wide frontal sinusotomy And fungal mucin removal.
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Post-operative follow-up CT scan with normally aerated sinuses.
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The patient continued to have regular endoscopic follow up with no signs of recurrence after four years, as demonstrated by the clear postoperative CT scan sinuses (Fig. 4).