Acute sinusitis

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contributed by Dr Frank Gaillard on October 31, 2008

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Acute sinusitis can occur in any of the paranasal sinues.

Complications include:

  • erosion through bone
    • Subperiosteal abscess
  • Dural venous sinus thrombosis
  • Intracranial extension
    • Meningitis
    • Subdural empyema
    • Cerebral abscess formation

Imaging differential diagnosis

  • CT: Acute Maxillary Sinusitis . Case Acute maxillary sinusitis

    Case 1: Acute Maxillary Sinusitis

  • CT: Mastoiditis . Case Mastoiditis

    Case 2: Acute otomastoiditis

  • CT: Frontal Sinusitis With Abscesss . Case Potts puffy tumour

    Case 3: Pott's puffy tumour

  • CT: Subperiosteal Orbital Abscess . Case Subperiosteal orbital abscess

    Case 4: Subperiosteal Orbital Abscess

  • CT: Coronal . Case Orbital subperiosteal abscess

    Case 5: Subperiosteal Orbital Abscess

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