General and Systemic Histopathology, C601&C602
    Slide 172: Lung with Interstitial pneumonia
    This slide a lot going on. There is evidence of previous inflammation of the pleura, as noted by the scarring, plus changes of emphysema and then the interstitial pneumonia.

    See this slide with the virtual microscope.

    Compare this slide with the case of lobar pneumonia, slide 120. Here you will see the infiltrate is interstitial (not within the alveolar air spaces), and consists almost exclusively of lymphocytes. What infectious agent is likely to result in the picture seen in this slide?


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