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ID#:14485
Description:This image depicts an anteroposterior radiograph of a patient’s right arm revealing the boney involvement of the distal humerus in a case of actinomycotic mycetoma that had been caused by the Gram-positive bacterium, Nocardia asteroides.
It is only rarely that N. asteroids bacteria cause mycetoma formation in the cutaneous or skeletal system. Overall, 80% of nocardiosis cases present as invasive pulmonary infection, disseminated infection, or brain abscess; 20% present as cellulitis. Pulmonary infection commonly presents with fever, cough, or chest pain. Central nervous system (CNS) symptoms include headache, lethargy, confusion, seizures, or sudden onset of neurologic deficit.

Severely immunocompromised persons are at greatest risk for nocardiosis. These include persons with connective tissue disorders, malignancy, HIV infection, pulmonary alveolar proteinosis, alcoholism, or high-dose corticosteroid use.

High Resolution: Click here for hi-resolution image (5.99 MB)
Content Providers(s):CDC/ Dr. Libero Ajello
Creation Date:1974
Photo Credit:
Links:CDC – National Center for Zoonotic, Vector-Borne, and Enteric Diseases; Division of Foodborne, Bacterial, and Mycotic Diseases; Nocardiosis: Technical Information
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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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