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Walk the evidence base by book and chapter — the raw source passages that ground Ask, Differential, and the rest.

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contentuptodate· Content· item f8_3_8241

©2013 UpToDate ® Print Email Sinus CT scan of a patient with allergic fungal rhinosinusitis (AFRS) Sinus CT scan of a patient with allergic fungal rhinosinusitis (AFRS) showing complete opacification of both anterior ethmoid and maxillary sinuses and hyperdensities within these same areas. Courtesy of Daniel Hamilos, MD