Fast Five Quiz: Sinusitis With Nasal Polyps

Arlen D. Meyers, MD, MBA

Disclosures

June 18, 2021

In most cases, routine blood cell count and sedimentation rates are of limited value in the workup for CRSwNP; however, they may be elevated in patients who present with fever. Some studies suggest that blood eosinophil and basophil levels should be included in the routine preoperative workup of CRSwNP patients to aid in prognosis, development of follow-up protocols following surgery, and decisions concerning postoperative medical treatments.

Plain radiography has low sensitivity and specificity and is largely obsolete in the workup for CRS. CT scanning is considered the imaging standard for evaluation of chronic sinusitis and is the cornerstone in the diagnostic workup. MRI is typically reserved for the evaluation of local sinus infection complications, especially suspected intracranial extension.

Most of the time, nasal endoscopy is recommended before obtaining imaging because it shows the condition of the nasal mucosa and assesses for purulent drainage.

Learn more about sinusitis imaging and radiologic characteristics.

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