Published on Oct 22, 2020
Robbins Review Vignettes

A local epidemic occurs among children at a summer camp, and they all develop upper respiratory tract infections manifested by coryza, pharyngitis, and tracheobronchitis. The children have fever and malaise but minimal sputum production. The total leukocyte count is not markedly elevated. Mycoplasma pneumoniae is cultured from the nasopharynx of many of the children. Which of the following histologic patterns is most likely to be found in the lungs of these children to explain these findings?

  • Alveolar neutrophilic exudates
  • Perivascular granulomatous inflammation
  • Hemorrhagic infarction
  • Interstitial mononuclear cell infiltrates


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