Larynx, hypopharynx & trachea

Inflammatory / infectious lesions


Last author update: 1 November 2013
Last staff update: 30 June 2022

Copyright: 2002-2023,, Inc.

PubMed Search: Amyloidosis larynx

Nat Pernick, M.D.
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Cite this page: Pernick N. Amyloidosis-larynx. website. Accessed September 26th, 2023.
Definition / general
  • 1% of laryngeal tumors; usually asymptomatic
  • Mean age 38 years, more common in men
  • Usually localized but may be associated with multifocal disease
  • Does not develop into myeloma but may recur locally and occasionally cause death after a prolonged period
  • May be due to immunocyte dyscrasias or MALT lymphoma (since lymphocytes are monoclonal)
Case reports
  • Usually negative for monoclonal proteins by serum or urine electrophoresis
  • Surgical excision
Gross description
  • Polypoid or granular lesions, mean 1.6 cm
Microscopic (histologic) description
  • Acellular amorphous eosinophilic infiltrate in stroma, often accentuated around vessels and seromucous glands
  • Sparse lymphoplasmacytic infiltrate
Microscopic (histologic) images

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Apolipoprotein AI and transthyretin amyloidosis

Positive stains
Additional references
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