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[edit] Discussion

  • Paranasal sinus mucoceles are benign lesions that slowly enlarge and erode adjacent bone.
  • Commonly involve the frontal and ethmoidal sinuses
  • Mucoceles contain mucoid secretion and desquamated epithelium.
  • Exact etiology is unkown. They may develop when communication between the sinus and the nasal cavity is obstructed.

[edit] Complications

  • Intracranial extension
  • Mucopyocele

[edit] Imaging Findings

  • On CT scans, the location and the expansile, destructive nature of the lesion are characteristic.

[edit] Images

Patient #1

Patient #2: Mucopyocele

[edit] See Also

[edit] External Links

[edit] References