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Amyloidosis of the external auditory canal.

James J Klemens, Wendy Recant, Joseph M Baron, and Miriam I Saadia-Redleaf

Ear Nose Throat J 89(5):219-20 (2010) PMID 20461681

We present a case of bilateral otitis externa that did not respond to local treatment. Cutaneous biopsies revealed bilateral amyloid depositions secondary to multiple myeloma. Persistent, identical bilateral canal lesions may be the only manifestation of treatable systemic disease and should be biopsied, even though their bilaterality argues against malignancy.

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