Ulcers in Hot Climate Zones
Skin ulcers are a common problem in the Western world, where most ulcers localized on the legs are due to venous insufficiency, arterial disease, neuropathies (usually diabetic), malignancies, or combinations of those. In addition, physicians may be consulted for imported skin ulcers because of the increasing travels to exotic locations. The prevalence of leg ulcers in hot climate zones is largely unknown; there have been no studies on large series. The most common causes for ulcers in a global perspective are thought to be infections, including pyoderma, mycobacterial infections, tropical ulcer, diphtheria, anthrax, and others. In some parts of the world, cutaneous leishmaniasis is one of the most prevalent causes; this is also one of the ten most frequent causes of skin diseases in travelers returning from tropical countries.
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