ID#: 15495
Caption:
The skin on this patient displayed a lesion that had been diagnosed as early erythema necroticans, also known as Lucio's phenomenon, or spotted leprosy of Lucio. It was ruled out as a chemical burn, through the process of a differential diagnosis, due to the similar appearance exhibited by either pathologic condition. Erythema necroticans is a phenomenon brought about due to the invasion of cutaneous vascular elements by the bacterium, Mycobacterium leprae, and its symptoms include inflammatory redness, which can lead to necrotizing ulcerations. This occurs when pure primitive diffuse lepromatous leprosy (PPDL) is allowed to go untreated, or the ailment becomes a form of the disease known as relapsing leprosy.
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Content Provider(s): CDC/ Arthur E. Kaye
Creation Date: 1970
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Copyright Restrictions: None - This image is in the public domain and thus free of any copyright restrictions.