Odontogenic maxillary sinusitis

Case contributed by Dr Ahmed Abdrabou


Fever, sore throat, toothache and nasal discharge of 1 week duration

Patient Data

Age: 25 years
Gender: Male

Periapical abscess of the 1st upper left molar tooth with associated complete obliteration of the left maxillary sinus with high density fluid showing two air bubbles inside and obliterating the left osteomeatal complex. Associated sinusitis of the left ethmoidal sinus is also noted.

Diagnosis: Acute left maxillary sinusitis secondary to periapical abscess of 1st left upper molar tooth

Annotated image
The left maxillary sinus is filled with fluid with two air bubbles. The red arrow refers to a periapical abscess.

Case Discussion

Tooth caries and periapical abscess may lead to maxillary sinusitis through direct extension of infection through maxillary alveolus. Air/fluid level or air bubble within the fluid suggests an acute episode.
PlayAdd to Share

Case information

rID: 26011
Published: 22nd Nov 2013
Last edited: 14th Aug 2019
System: Head & Neck
Inclusion in quiz mode: Included

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.