title: Preoperative steroids confuse the diagnosis of allergic fungal sinusitis.
authors.affiliation: Department of Otolaryngology-Head and Neck Surgery, University of Iowa, Iowa City 52242, USA.
authors.forename: S M
authors.initials: SM
authors.lastname: Graham
authors.forename: Z K
authors.initials: ZK
authors.lastname: Ballas
mesh_terms: D000328:Adult; D003951:Diagnostic Errors; D005938:Glucocorticoids / Q000009:adverse effects*; D006801:Humans; D006967:Hypersensitivity / Q000175:diagnosis* / Q000473:pathology; D008297:Male; D009181:Mycoses / Q000175:diagnosis* / Q000473:pathology; D009298:Nasal Polyps / Q000188:drug therapy / Q000601:surgery; D011241:Prednisone / Q000009:adverse effects*; D011300:Preoperative Care; D012852:Sinusitis / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery
chemical_list: D005938:Glucocorticoids; D011241:Prednisone