How is acute sinusitis (sinus infection) diagnosed?

Updated: Mar 01, 2018
  • Author: Itzhak Brook, MD, MSc; Chief Editor: Michael Stuart Bronze, MD  more...
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Acute sinusitis is a clinical diagnosis. However, the evaluation might include the following laboratory tests [2] :

  • Nasal cytology

  • Nasal-sinus biopsy

  • Tests for immunodeficiency, cystic fibrosis, or ciliary dysfunction

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