Mycobacterium ulcerans and Other Tropical Ulcers — photos

Symptoms and syndromes in photos

Main » Infectious diseases » Infections Acquired through the Skin and Mucous Membranes » Mycobacterium ulcerans and Other Tropical Ulcers

Typical Buruli ulcer in a Nigerian child.

Photo 1. Typical Buruli ulcer in a Nigerian child. The condition is characterised by gross, necrotising skin ulcers in which numerous acid fast bacilli are present (M. ulcerans). The disease occurs in localised tropical areas in all continents.

M.ulcerans in section of ulcer.

Photo 2. Mycobacterium ulcerans in section of ulcer. Acellular necrosis occurs involving the dermal layers and subcutaneous fat. Acid-fast bacilli are found in the necrotic material. (x 900)

Tropical (pnagedaenic) ulcer

Photo 3. Tropical (pnagedaenic) ulcer. Chronic necrotising ulcers involving the skin and subcutaneous tissues are common in country areas in the humid tropics. They contain a mixed bacterial flora including Borrelia vincenti and fusiform bacteria.

Bone involvement in tropical ulcer.

Photo 4. Bone involvement in tropical ulcer. Sequestra result when bone involvement occurs.

Cancrum oris.

Photo 5. Cancrum oris.  A garvgrenous condition of the facial region associated with Vincent's organ­isms may follow any acute systemic disease in malnourished infants in the tropics. Gross dis­figurement usually results.

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