Two patients are presented with maxillary bone loss and atelectasis of the sinus walls in association with chronic subclinical maxillary sinusitis. Maxillary sinus atelectasis results in a mild cosmetic deformity, but may also cause diplopia by involving the orbital floor. Ostial obstruction and inflammation-mediated osteopenia are postulated to be the responsible mechanisms. Surgical treatment of the sinusitis may prevent progression of the bone loss.

Original languageEnglish
Pages (from-to)977-981
Number of pages5
JournalAnnals of Otology, Rhinology and Laryngology
Issue number12
StatePublished - 1992


  • atelectasis
  • maxillary sinus
  • sinusitis


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