Larynx and hypopharynx
Benign tumors

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

Revised: 20 March 2018, last major update November 2013

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

PubMed Search: Chondrometaplasia

Cite this page: Pernick, N. Chondrometaplasia. website. Accessed July 17th, 2018.
Definition / general
  • 2% of laryngeal specimens
Gross description
  • Nodules < 1 cm, usually on vocal cords; may be multifocal
Microscopic (histologic) description
  • Elastic rich cartilage nodules, composed of small, uniform, eosinophilic chondrocytes without nuclear abnormalities
  • Usually no lobular pattern of hyaline cartilage
  • Margins are indistinct with peripheral zone of transition between cartilage and surrounding tissue