Pneumosinus dilatans: Is it more than an aesthetic concern?

Naman S. Desai, Sachin S. Saboo, Ashish Khandelwal, Joseph A. Ricci

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

BACKGROUND: Pneumosinus dilatans (PD) is a pathologic condition involving the hyperaeration of one or several of the paranasal sinuses that can lead to significant deformation of the overlying bone. Although the presenting complaint of patients with PD is most commonly aesthetic in nature, the condition has also been associated with intracranial tumors and several other serious conditions. MATERIALS AND METHODS: A meta-analysis of all available clinical publications on the subject of PD was conducted. Patients were categorized on the basis of their sinus involvement. Associated conditions were also identified and categorized. The resulting data were used to further characterize the condition and describe previously unreported associations between PD and other conditions. RESULTS: To date, a total of 123 cases of PD have been reported. The frontal sinus was the most commonly involved (63%), followed by the sphenoid sinus (24%), maxillary sinus (20%), and ethmoid sinus (19%). Of patients with symptomatic PD of the frontal sinus, 25% had intracranial pathology (meningioma or arachnoid cyst or orbital tumor). Patients with sphenoid PD had an 83% chance of having associated diagnosis of visual loss, meningioma, or arachnoid cyst, whereas patients with ethmoid PD had 83% chance of having associated diagnosis of exophthalmos, vision loss, or arachnoid cyst. CONCLUSIONS: Although the presenting complaint of patients with PD is most commonly aesthetic in nature, a significant percentage may have an associated diagnosis. Health care providers must be able to recognize the condition and carry out the appropriate clinical evaluation to avoid missing an associated diagnosis.

Original languageEnglish (US)
Pages (from-to)418-421
Number of pages4
JournalJournal of Craniofacial Surgery
Volume25
Issue number2
DOIs
StatePublished - Mar 2014
Externally publishedYes

Keywords

  • arachnoid cyst
  • meningioma
  • orbital tumor
  • paranasal sinuses
  • Pneumosinus dilatans

ASJC Scopus subject areas

  • Surgery
  • Otorhinolaryngology

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