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  • Title: Diagnosis of allergic fungal sinusitis.
    Author: Bent JP, Kuhn FA.
    Journal: Otolaryngol Head Neck Surg; 1994 Nov; 111(5):580-8. PubMed ID: 7970796.
    Abstract:
    Allergic fungal sinusitis is a noninvasive disease first recognized approximately one decade ago. It accounts for approximately 6% to 8% of all chronic sinusitis requiring surgical intervention and has become a subject of increasing interest to otolaryngologists and related specialists. Although certain signs and symptoms, as well as radiographic, intraoperative, and pathologic findings, may cause the physician to suspect allergic fungal sinusitis, no standards have been defined for establishing the diagnosis. It is extremely important to recognize allergic fungal sinusitis and differentiate it from chronic bacterial sinusitis and other forms of fungal sinusitis because the treatments and prognoses for these disorders vary significantly. To delineate a set of diagnostic criteria, we prospectively evaluated our most recent 15 patients with allergic fungal sinusitis. An allergy evaluation confirmed atopy through a strong history of inhalant mold allergies, an elevated total immunoglobulin E level, or a positive result of a skin test or radioallergosorbent test to fungal antigens in 100% of patients. All 15 patients had nasal polyposis, and 8 of 15 had asthma. There was a unilateral predominance in 13 of 15 cases. A characteristic computerized tomography finding of serpiginous areas of high attenuation in affected sinuses was seen in all patients, and 12 of 15 patients had some degree of radiographic bone erosion. Pathologic examination uniformly revealed eosinophilic mucus without fungal invasion into soft tissue; Charcot-Leyden crystals and peripheral eosinophilia were each observed in 6 of 15 patients. Every patient had fungus identified on fungal smear, although only 11 of 15 fungal cultures were positive.(ABSTRACT TRUNCATED AT 250 WORDS)
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