• Thorsten Send, Jennifer L Spiegel, Goetz Schade, Annette Pantelis, Arno Olthoff, Friedrich Bootz, Martin Canis, and Mark Jakob.
• Department of Otorhinolaryngology, Head and Neck Surgery, University of Bonn, Sigmund-Freud-Straße 25, 53105, Bonn, Germany.
• Dysphagia. 2019 Apr 1; 34 (2): 179-191.

AbstractAmyloidosis in the upper aerodigestive tract is a very rare disease with mainly case reports documented so far. In the pathogenesis, amyloid protein fibers are deposited in organs and tissue. In the upper aerodigestive tract, mostly localized amyloidosis occurs with unspecific symptoms, e.g., dysphagia. We conducted a retrospective multicenter study with two study centers in Germany (tertiary referral hospitals), the University Hospital of Bonn and the University Hospital of Goettingen. For a period of the last 7 years, data were analyzed and patients were recruited consecutively. 14 cases were included to the study. The most common manifestation was in the larynx (n = 11); in one case each localized amyloidosis was found in the tongue, trachea and in the pharynx. Since the majority of our cases (n = 13; 92.6%) presented with unspecific symptoms, biopsy results confirmed the diagnosis of localized amyloidosis. Resection of the lesion was only performed in patients reporting of symptoms, in asymptomatic patients only a non-invasive biopsy was done. In two patients (14.2%), in addition to the focal lesion a systemic amyloidosis was found. Amyloidosis in the upper aerodigestive tract is a rare disease. Nonetheless, every otorhinolaryngologist should be aware of this disease. When detected it is a straight forward to treat illness. The appearance of a systemic amyloidosis needs to be ruled out; thus, there is a chance to develop a multiple myeloma. Given the slow progressive character of amyloidosis, a long-term follow-up up to 10 years is inevitable.

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