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Tungiasis     
A 24-year-old man developed slow-growing lesions on subungual and plantar areas that appeared a few weeks after returning from a trip to South America. The diagnosis of tungiasis was established by microscopic examination of a lesion. Tungiasis is rarely seen in non-endemic areas.  相似文献   

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Tungiasis and myiasis are common ectoparasitic infestations that occur in developing countries in the tropics, particularly where poverty and poor standards of basic hygiene exist. The growth in international travel to and from these regions has led to an increase in the presentation of these conditions in nonendemic countries. Despite recent progress in the treatment and prevention of tungiasis and myiasis, diagnosis can present a challenge to those unfamiliar with these conditions, especially when they present in nonendemic countries. Tungiasis is caused by the penetration of the female sand flea, Tunga penetrans, into the epidermis of the host. Myiasis is a parasitic infection of the skin and mucous membranes in which the larvae of Diptera insects penetrate healthy or altered skin depending on the species. Infestations are usually self-limited and present few complications. Social neglect and inadequate health behavior in economically depressed urban neighborhoods, however, may lead to secondary infections and complications.  相似文献   

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Tungiasis (sand flea disease) and myiasis are ectoparasitoses, in which the infectious agent resides temporarily in the skin (myiasis) or dies and is eventually eliminated (tungiasis). Both diseases are zoonoses. Whereas in myiasis humans are only an accidental host, in tungiasis the prevalence in humans is similar to that of their domestic animals. In travellers returning from the tropics tungiasis and myiasis are not rare, however they are frequently misdiagnosed. The diagnosis of both infestations is made clinically, and laboratory investigations are not helpful. In tungiasis the clinical picture depends on the stage of the disease. A heavy local inflammation and bacterial superinfection are frequent. Therapy consists in the complete elimination of the parasite. The repellent Zanzarin effectively protects against sand fleas.  相似文献   

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Tungiasis is an infestation of the skin caused by the flea Tunga penetrans. It is not rare in western Europe because of tourism to tropical and subtropical countries. However, tungiasis has been very rarely reported in children. We describe a case of tungiasis in a 3-year-old child. The infestation was localized to the second toe of the left foot and was characterized by an atypical clinical presentation.  相似文献   

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Abstract Tungiasis is a cutaneous infestation caused by a small flea, Tunga penetrans. Tungiasis is commonly found in the equatorial and subtropical zones. With the increase in world travel, the disease is now reported in Europe, in individuals who have visited countries where the disease is endemic.  相似文献   

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A case of a 39 year old patient in whom infection by the sand flea Tunga penetrans was diagnosed by histological examination is described. Clinical findings included small red lesions on the lower extremities, containing a pyodermic component and a central black dot resembling tattoo. A tropical parasitic disease was considered as the signs developed following the patient's return from Tanzania.  相似文献   

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