Introduction Nematodal Helminths Nematodal helminths represent infectious agents that are not very infectious, but have developed a delicate strategy to infect human hosts. As such, they manage to overcome the epidermal barrier, enter the human body, and travel by several…
Filariasis Sam Kalungi Lynnette Tumwine Key Points The filariases result from infection with insect-vector-borne tissue-dwelling nematodes. This group of nematodes is characterized by having a microfilaria stage of development between the egg and the fully developed larva. Depending on the species, adult…
Key Points Free living amebas infection is a CNS disease, mostly fatal, that commonly may present first with a characteristic cutaneous lesion. A history of exposure to soil or water is common. The cutaneous lesion may precede CNS involvement for…
Key Points The leishmaniases are a group of zoonotic infections of humans and certain animals caused by several species of a flagellated parasite belonging to the order Kinetoplastidae, genus Leishmania , and transmitted by the bite of a fly of…
Key Points Also known as sleeping sickness, African trypanosomiasis is an acute and chronic disease caused by a parasite called Trypanosoma brucei , which is transmitted by the tsetse flies. Recent travel to endemic areas of Africa should lead physicians…
Key Points Preparation is everything. Study the history and culture of the area where you will be working. Refresh your knowledge of the local spectrum of disease. Find out what is locally available in the way of medical personnel, facilities,…
Key Points Among travelers to developing countries, both tropical and non-tropical diseases are commonly reported problems and most of these are self-limited illnesses such as diarrhea, respiratory infections, and skin disorders. Of the non-tropical diseases, dermatosis including cutaneous larva migrans,…
Introduction With increasing numbers of persons from industrialized, temperate countries traveling and / or working in tropical lands, there is a marked need for physicians to be able to diagnose accurately and treat tropical diseases with mucocutaneous manifestations. While some studies demonstrate…
Evidence Levels: A Double-blind study B Clinical trial ≥ 20 subjects C Clinical trial < 20 subjects D Series ≥ 5 subjects E Anecdotal case reports Open full size image Yellow nails are the main clinical manifestation (88% of cases)…
Evidence Levels: A Double-blind study B Clinical trial ≥ 20 subjects C Clinical trial < 20 subjects D Series ≥ 5 subjects E Anecdotal case reports Open full size image Xerosis is the term used to describe a condition where…