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eosinophilic otitis media
Epidemiology:
- rare [1]
Pathology:
- incisional biopsy
- polypoid proliferation of granulation tissue with mixed inflammatory infiltrate consisting predominantly of eosinophils (histopathology image) [1]
History:
- history of asthma
- recurrent sinus disease with nasal polyps
- aspirin sensitivity (case report) [1]
Clinical manifestations:
- intermittent otorrhea
- progressive bilateral hearing loss
- bilateral polypoid masses in the external auditaory canals protruding through tympanic membrane
- viscous otorrhea noted on examination [1]
Laboratory:
- complete blood count: eosinophila (1200/uL) [1]
Special laboratory:
- otoscopy (oto-endoscopy) [1]
Management:
- topical & systemic glucocorticoids
- tympanoplasty, resection of polypoid masses
- placement of bone-anchored hearing aid [1]
Prognosis
- recurrence in 4 months (case report) [1]
General
otitis media
References
- Sanchez HL, Vallejo LA (images)
Eosinophilic Otitis Media
N Engl J Med 2017; 376:e10February 16, 2017
PMID: 28199806
http://www.nejm.org/doi/full/10.1056/NEJMicm1510852