The Pathogenesis of Maxillary Sinus Pneumoceles

A Brief Clinical Study: Consecutive Occurences of Frontal Sinus Pneumocele

“…Wolfensberger et al first postulated this mechanism by monitoring patients’ maxillary sinus pressures through transoral punctures. They verified the presence of elevated antral pressures after repeated nose blowing, confirming the feasibility of the trap-valve hypothesis 6 . Our case seems to corroborate this hypothesis, as our patient initially presented with no past medical history of infection, trauma, or neoplasm.…”

“…They verified the presence of elevated antral pressures after repeated nose blowing, confirming the feasibility of the trap-valve hypothesis. 6 Our case seems to corroborate this hypothesis, as our patient initially presented with no past medical history of infection, trauma, or neoplasm. Operative findings also demonstrated notable thickening of the sinus mucosa at the region of the nasofrontal outflow tract with no connection to the contralateral side.…”

Pneumosinus dilatans, pneumocoele or air cyst? A case report and literature review

“…The concept may also explain increasing symptoms associated with air travel and atmospheric pressure changes, or during sneezing. Previous authors have documented elevation of sinus pressures; 16 , 38 the bubbling of gas through the extracted tooth socket in our patient's case would support this. However, most cases do not demonstrate sinus outflow obstruction, and the question as to why the sinus does not fill with mucus is still debated.…”

Anterior pneumatization of the maxillary sinus — Presenting as a facial swelling

“…The disease in the region of the maxillary ostium may be an incidental fi nding 123 in these cases. The maxillary ostium region has been noted to be normal in cases with pneumosinus dilatans [5] as in our case report. A middle meatal antrostomy is done only if there is co existing disease leading to obstruction of the ostium or when there are associated symptoms [3].…”