What is the role of blood studies in the diagnosis of acute sinusitis (sinus infection)?

Updated: Mar 01, 2018
  • Author: Itzhak Brook, MD, MSc; Chief Editor: Michael Stuart Bronze, MD  more...
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The erythrocyte sedimentation rate and C-reactive protein level may be elevated in rhinosinusitis, but these findings are nonspecific.

The findings of complete blood cell (CBC) count with differential may be within reference ranges.

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