Koutou (THE LARYNX JAPAN)
Online ISSN : 2185-4696
Print ISSN : 0915-6127
ISSN-L : 0915-6127
A Case of Laryngeal Amyloidosis Suspected as an Epithelial Tumor
Hidenori YokoiNiro TayamaYoko SakaiGen SugitaChieri HayashiAkira MinekawaKatsuhisa Ikeda
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JOURNAL FREE ACCESS

2009 Volume 21 Issue 1 Pages 29-34

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Abstract
We reported on the case of a 50-year-old male with localized amyloidosis of the larynx. He was referred to us because he had a two and a half year history of odynophagia and hoarseness. A dark brown elevated lesion was detected on his false vocal cord and laryngeal ventricle. We performed laryngomicrosurgery under general anesthesia and resected the mass to the maximum extent. Histopathological findings with hematoxylin and congo red stain revealed amyloidosis. Immunohistopathological analysis showed chemical classification as AL type, lamda chain. Extensive examinations excluded systemic amyloidosis. The patient showed a favorable outcome and there was no recurrence two and half years after surgery.
 We also reviewed the diagnostic approach, treatment and follow up of amyloidosis.
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© 2009 The Japan Laryngological Association
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