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Description:Under a relatively low magnification of 50x, this hematoxylin-eosin (H&E) stained brain tissue specimen, extracted from the occipital cortical region adjacent to an actinomycotic abscess, revealed some of the histopathologic changes associated with a rare case of disseminated actinomycosis.
Actinomycosis is usually caused by an anaerobic bacteria called Actinomyces israelii, which is a common, and normally nonpathogenic organism found in the nose and throat.

Because of the bacteria's normal location in the nose and throat, actinomycosis most commonly appears in the face and neck. However, the infection can sometimes occur in the chest (pulmonary actinomycosis), abdomen, pelvis, or other areas of the body including the brain. The infection is not contagious.

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Content Providers(s):CDC/ Dr. V.R. Dowell
Creation Date:1981
Photo Credit:
Links:NIH - MedlinePlus: Actinomycosis
CDC Organization
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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.