To view large versions of these images, click directly on the image buttons. There is, however, overlap in the radiographic appearance of the two diseases. Atypical pneumonias such as that caused by mycoplasm pneumonia can produce radiographic findings similar to early HPS, although the clinical illness tends to be much less severe. Mycoplasm pneumonia can show prominent interstitial opacities, including Kerley B lines. Detail of mycoplasm pneumonia.
Mitral stenosis can also cause interstitial edema with a normal-sized cardiac silhouette.
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