Harvard scoring system for rhinosinusitis

The Harvard scoring system for rhinosinusitis is, as the name implies, a scoring system based on CT-scan assessment for grading of rhinosinusitis.


  • 0: normal (< 2 mm mucosal thickening on any sinus wall)
  • 1: all unilateral disease or anatomic abnormality
  • 2: bilateral disease limited to ethmoidal or maxillary sinuses
  • 3: bilateral disease involving at least one sphenoidal or frontal sinus
  • 4: pansinusitis​
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Article information

rID: 58358
System: Head & Neck
Synonyms or Alternate Spellings:
  • Harvard staging system for rhinosinusitis

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