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ID#:14745
Description:This hematoxylin-eosin (H&E) stained tissue specimen that had been extracted from a patient with an actinomycotic mycetoma, revealed the presence of a sulfur granule. The actinomycosis was caused by the Gram-positive bacterium, Nocardia asteroids.
Nocardia infection develops when you breathe in (inhale) the bacteria. The infection causes pneumonia -like symptoms. The infection can spread to any part of the body.

People at highest risk for nocardia infection are those with a weakened immune system. This includes people who have:

- Been taking steroid medicines or other medicine that weaken the immune system for a long time

- Had an organ transplant

- HIV

Other people at risk include those with chronic lung problems related to smoking, emphysema, or other infections such as tuberculosis.

High Resolution: Click here for hi-resolution image (18.19 MB)
Content Providers(s):CDC/ Dr. Libero Ajello
Creation Date:1974
Photo Credit:
Links:NIH - MedlinePlus: Actinomycosis
Categories:
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Copyright Restrictions:None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.

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