|Patient: 34 year old female|
|History: 34 year old female with persistant left maxillary sinusitis. History of left upper molar extraction six months prior.|
Acute upon chronic mucosal membrane inflammatory changes in the left maxillary sinus with an air fluid level noted.
|Diagnosis: Oroantral Fistula|
A complication of maxillary tooth extraction, the oroantral fistula can be a cause of recurrent or persistant maxillary sinus. Imaging findings are that of localized mucosal disease in the affected sinus with demonstration of a bony defect in the floor of the sinus which communicates with the oral cavity. Conservative treatment consists of treating the sinus disease in hopes of spontaneous closure. Often these lesions require surgery for definitve treatment which typically consists of fistula excision and closure with a buccal mucoperiostial flap.
|References: Ballenger, JJ. Otorhinolaryngology, Head and Neck Surgery. 15th Ed. Pg. 185.|
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Case Number: 46326Last Updated: 2003-02-15 The reader is fully responsible for confirming the accuracy of this content.