Lung - nontumor
Histologic findings of no clinical significance

Author: Elliot Weisenberg, M.D. (see Authors page)

Revised: 22 March 2017, last major update August 2011

Copyright: (c) 2003-2017,, Inc.

PubMed search: pulmonary histologic findings no clinical significance

Table of Contents
Definition / general
Cite this page: Histologic findings of no clinical significance. website. Accessed March 19th, 2018.
Definition / general
  • Apical caps: zones of fibrosis with chronic inflammatory infiltrate in lung apices
  • Ectopic tissue: skeletal muscle, pancreas, adrenal cortex and neuroglia
  • Intrapulmonary lymph nodes
  • Metaplastic bone: age related finding in bronchial cartilage, associated with bone marrow elements and rarely associated with alveolar exudate