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Acute sinusitis

Dr David Ferreira and Dr Frank Gaillard et al.

Acute sinusitis can occur in any of the paranasal sinues.

Complications include:

erosion through bone
- subperiosteal abscess
  - frontal sinus superficially (Pott's puffy tumour)
  - frontal or ethmoidal sinuses into orbit etc.

dural venous sinus thrombosis
intracranial extension
- meningitis
- subdural empyema
- cerebral abscess formation

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