PMC6289938_01
(A) Coronal CT image shows heterogeneous opacity filling the left maxillary and frontoethmoidal sinuses with bone expansion and pushing the septum to the right side. (B) Coronal CT image post-surgery shows disease recurrence in the right sinuses and clean left side.
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CT sinuses showed a heterogeneous opacity of the left maxillary and frontoethmoidal sinuses with bone expansion and obliteration of the left nasal cavity (Fig. 1A) consistent with AFRS. CT sinuses showed recurrence of the disease in the right side with clear left nasal cavity (Fig. 1B).