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A 60-year-old patient was referred to our ear nose and throat (ENT) clinic for facial pain, bilateral midface swelling and purulent nasal discharge. The patient had undergone a bilateral maxillary sinus augmentation procedure 3 weeks before. A nasal endoscopy showed purulent material from both the middle meati, while oral examination revealed a left oroantral fistula.
The head CT scan (figure 1) showed both maxillary sinuses occupied by flogistic material with disperse calcifications and confirmed the left oroantral fistula. These calcifications hint towards a diagnosis of odontogenic sinusitis: multiple calcifications in a completely opacified maxillary sinus …
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