Related Experiment Video
Updated: Oct 1, 2025

Intravitreal Injection and Quantitation of Infection Parameters in a Mouse Model of Bacterial Endophthalmitis
Published on: February 6, 2021
Polymicrobial odontogenic periorbital and orbital necrotizing fasciitis (PONF): A case report
Arman Mosenia1,2, Abtin Shahlaee1, Isaiah Giese3
1Department of Ophthalmology, University of California San Francisco, 490 Illinois Street, San Francisco, CA, 94158, USA.
Purpose:
To present a case of periorbital and orbital necrotizing fasciitis (PONF) from an odontogenic source with a distinct microbiologic profile and highlight the need for emergent multidisciplinary management.
Observations:
A 39-year-old man presented with periorbital swelling, pain, and erythema following facial trauma. Imaging revealed peri-dental collections, accompanying maxillary sinusitis, and pre- and post-septal involvement. Immediate surgical debridement of necrotic tissue along with broad-spectrum antibiotics were pursued for management. Cultures grew multiple organisms, most notably Streptococcus milleri group and Staphylococcus lugdunensis.
Conclusions And Importance:
PONF is a rare yet potentially fatal disease. Streptococcus milleri group and a fulminant course are to be suspected when the source is odontogenic. Timely multidisciplinary surgical debridement and medical management with intravenous antibiotics is critical for best outcomes.

