Nonneoplastic lesions
Posttracheostomy atypia

Author: Adriana Handra-Luca, M.D. (see Authors page)

Revised: 13 November 2017, last major update October 2012

Copyright: (c) 2002-2017,, Inc.

PubMed Search: Posttracheostomy

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Cite this page: Handra-Luca, A. Posttracheostomy atypia. website. Accessed January 23rd, 2019.
Definition / general
  • Atypical cells in trachea; may also occur in bronchi
  • May be due to effect of dry air on tracheal mucosa
Differential diagnosis
  • Squamous cell dysplasia / carcinoma in situ