Oro-antral fistula

Case contributed by Dr Vincent Tatco

Presentation

Recurrent left cheek pain and purulent oral discharge following extraction of the upper dentition.

Patient Data

Age: 50 years
Gender: Female
Modality: CT

There is a bone defect at the floor of the left maxillary sinus involving the left 1st, 2nd and 3rd molar sockets resulting in communication between the left maxillary antrum and oral cavity. Mucosal thickening is demonstrated in the left maxillary sinus.

Case courtesy of Dr. Florence F. Villorente-Los Baños.​

Case Discussion

This is a case of oro-antral fistula, which is an abnormal communication between the maxillary sinus and the oral cavity. It usually occurs after tooth extractions, but it can also be caused by infection and trauma.

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Case Information

rID: 50582
Case created: 12th Jan 2017
Last edited: 13th Jan 2017
System: Head & Neck
Inclusion in quiz mode: Included

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