Larynx and hypopharynx
Benign tumors
Vocal cord polyp

Author: Nat Pernick, M.D. (see Authors page)

Revised: 21 March 2018, last major update May 2014

Copyright: (c) 2002-2018, PathologyOutlines.com, Inc.

PubMed Search: Vocal cord polyp [title]

Cite this page: Pernick, N. Vocal cord polyp. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/larynxvocalcordpolyp.html. Accessed July 16th, 2018.
Definition / general
  • Also called laryngeal nodule or singer's nodule
  • Noninflammatory response to injury causing hoarseness
  • More common in heavy smokers or singers due to inflammation, allergic or immunologic causes, possibly secondary to hemorrhage
  • Almost never transforms to malignancy
Treatment
  • Excision or vocal rest
Clinical images

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Vocal cord polyp

Gross description
  • Smooth, round, 1 - 3 mm growths on true vocal cords, often on anterior third
Microscopic (histologic) description
  • (a) Telangiectatic polyps with stratified squamous epithelium overlying numerous thin walled dilated vessels and fibrinous exudates in edematous mucosa, variable chronic inflammatory infiltrate or (b) gelatinous polyps with stratified squamous epithelium, edematous submucosa containing fibrin and proliferating fibroblasts, thin walled vessels present but less than telangiectatic subtype
  • Vessels may resemble thrombosed varices
Microscopic (histologic) images

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Dr. Vladimir Zaitsev, Orenburg (Russia)

Differential diagnosis
  • Angioma: usually supraglottic, vessel walls are thicker and doesn't respond to vocal rest