Pott puffy tumour
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Opacified frontal sinus with bony defect in the anterior wall of the sinus associated with large subgaleal abscess extending to the left upper eyelid.
The right aspect of the frontal sinus shows internal small bone fragments, likely representing bony sequestrum.
Bilateral maxillary and to less extent left ethmoidal sinusitis.
Pott puffy tumor is a subperiosteal abscess of the frontal bone with cranial osteomyelitis, it's a rare complication of frontal sinusitis.It is mostly found among teenagers and adolescents. Most commonly caused by S. aureus, nonenterococcal Streptococcus, and oral anaerobes. This complication of sinusitis has become quite rare since the introduction of antibiotics.
Special thanks to Dr Mona Kalioby, assistant professor, Kasr Al Ainy Hospital.