Lung - nontumor

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

Revised: 27 February 2017, last major update September 2011

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

PubMed search: measles [title] pulmonary

Cite this page: Measles. website. Accessed November 15th, 2018.
Definition / general
  • Also called rubeola
  • Infectious acute febrile illness characterized by upper respiratory infection symptoms and maculopapular rash
  • Spread by aerosols and droplets from respiratory secretions or rarely fomites
  • Significant public health problem in United States prior to the development of an effective vaccine; still common in some nonindustrialized countries
  • Recently, recrudescence has occurred in developed world due to some parents refusing to vaccinate their children and importation (Cleve Clin J Med 2010;77:207)
  • Highly infectious, affecting up to 90% of individuals in nonimmune populations
  • Also occurs in adults (MMWR Morb Mortal Wkly Rep 2011;60:666)
  • Pneumonia is serious complication of childhood exanthema
  • May cause bronchiolitis or diffuse alveolar damage
  • Secondary bacterial pneumonia may occur
Microscopic (histologic) description
  • Epithelial giant cells with viral inclusions
  • Nuclei may contain a single large Cowdry type A inclusion
  • Reticuloendothelial (Warthin-Finkeldey) giant cells may be found in lymphoid tissue
Microscopic (histologic) images

Images hosted on other servers:

Giant cells


Histopathology Lung - Measles pneumonia
Differential diagnosis