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Query: UMLS:C0851341 (infestation)
 10,121 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A description of the life cycle of the tropical botfly, Dermatobia hominis, is presented. The entomology of this parasite is discussed along with the pathologic manifestations of human infestation and a description of the various modes of treatment. A recent case of multiple botfly infestation in a young man during a trip to Central America is reported. A review of the literature including the earliest reported case (1904) is presented, along with a brief discussion of the epidemiology and public health aspects of this problem.
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PMID:Myiasis Dermatobia hominis, Linn: report of a case and review of the literature. 83 19

The progressive increase in the number of people traveling to tropical countries has led to imported diseases becoming of increasingly greater importance. Cutaneous myasis (or fly larva infestations) are found among this type of diseases particularly frequent in tropical countries. Based on the observation of a case of massive cutaneous myasis by Cordylobia antropophaga of a 34 year old woman upon her return from a trip to Senegal, a review has been made of the major cases of furunculoid cutaneous myasis published in Spain, as well as of the biology, pathology, treatment and prevention of human myasis by Cordylobia anthropophaga. The aforesaid case was characterized by the infestation of an unusually large number of larvae, the etiology of which was not suspected until the final stage of the disease. Although the cases of cutaneous myasis are not as serious as other imported diseases, a knowledge of this disease is necessary from the preventive, diagnostic and curative standpoint. It is important to proceed to the identification of the larvae by distinguishing them from another type of myasis involving different therapeutic implications.
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PMID:[Cordylobia anthropophaga cutaneous myiasis]. 1140 Apr 12

A 24-year-old man returning from a trip to Mali was hospitalized for acute encephalitis and fever in association with acute primary infection by Schistosomiasis mansoni. Bilharziasis was suspected from the epidemiological context and presence of eosinophilia. Diagnosis was confirmed by serological testing. Specific treatment using praziquantel and corticotherapy was successful. Central nervous system involvement attributable to embolization of eggs or ectopic migration of adult worms has been reported in association with chronic Schistosomiasis by S. japonicum or S. mansoni. There have been few reports of acute neuroschistosomiais during the acute primary phase of infestation by S. mansoni. Etiology probably involves immunoallergic mechanisms.
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PMID:[Acute encephalitis concurrent with primary infection by Schistosoma mansoni]. 1289 52

Myiasis, the infestation of humans and animals with fly larvae, is observed in tropical, lowland areas. Dermatobia hominis is a common cause of cutaneous human infestation in these areas. Patients often present with a furuncular lesion on the extremities, back, or scalp. We report a case of furuncular myiasis in a patient returning from a trip to South America. We will discuss the life-cycle of D. hominis and the clinical findings important in the diagnosis of myiasis.
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PMID:Unusual botfly skin infestation. 1512 41

We report a patient with gnathostomiasis in whom a specific diagnosis of Gnathostoma spinigerum infestation was made morphologically upon removal of the worm. A 47-Year-old Japanese male on a business trip to Vietnam ate fried frog with a Vietnamese friend in January 2002, the friend was diagnosed with gnathostomiasis in June 2002. The patient noted swelling of the right leg with migration to the right arm, prompting him to our hospital in February 2003. Hematologic examination showed eosinophilia, and specific anti-gnathostome antibody was detected by a dot enzyme-linked immunosorbent assay (Dot ELISA) in the serum. He was diagnosed as gnathostomiasis, and was given albendazole 400 mg b.i.d. On day 11 of therapy the patient removed a larval worm from the right palmar lesion by pinching with his nails. The worm was identified as G. spinigerum based on morphologic characteristics including number of hooklets on its head-bulb. When gnathostomiasis is suspected, albendazole should be administered before incision of the skin lesion.
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PMID:[Gnathostomiasis caused by Gnathostoma spinigerum etiologically diagnosed upon extraction of the worm from the skin]. 1521 67

Cutaneous myiasis is a temporary parasitic infestation of the skin of human and other vertebrates by fly larvae, primarily species of the flies Dermatobia and Cordylobia. In Central and South America cutaneous myiasis is mainly caused by the larvae of Dermatobia hominis; in Africa it is mostly due to the larvae of Cordylobia spp. We describe a case of cutaneous myiasis in a family who returned to Slovenia from a three-week trip to Ghana. The parasites, in tumor-like swellings about 1-2 cm in diameter and 0.5-1 cm high, were removed from the back of the 48-year-old man, the nose, shoulder and wrist of his 47-year-old wife, and the back of their 14-year-old daughter. The parasites were identified as larvae of the fly C. anthropophaga. After removal of the larvae, which were oval-shaped and about 8 mm long, the lesions healed in two weeks without further treatment. Human cases of cutaneous myiasis are most probably underreported because many remain undiagnosed or unpublished. Because of increasing travel to tropical and subtropical areas, clinical and laboratory staff will need to be more alert to the possibility of Cordylobia myiasis in patients with furuncle-like lesions, particularly in individuals who have recently returned from tropical Africa.
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PMID:Cutaneous myiasis caused by Cordylobia anthropophaga. 1677 85

Myiasis rarely occurs in the eyelids. We report a 3-year-old girl with a myiasis of the upper eyelid after a trip to Central America. A 1.5 cm larva of a Dermatobia hominis was excised. Infestation with D. hominis should be suspected when a localized swelling with a central fistula in an eyelid is present in patients who have been to Central and South America.
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PMID:Myiasis of the upper eyelid. 1939 26

Cutaneous myiasis is a temporary parasitic infestation of the skin of domestic and wild animals and occasionally of humans by the larvae of flies. Larvae of many flies from various geographic areas can cause myiasis: in Central and South America, human cutaneous myiasis is mainly caused by the larvae of Dermatobia hominis; in Africa, by the larvae of Cordylobia anthropophaga; in the northern hemisphere (North America, Europe, Africa and Asia), by the larvae of Hypoderma spp. A case of cutaneous myiasis in a 47-year-old woman, co-author of the present report, is described. She returned to Slovenia from a three-week trip to Ladakh in Northern India. The parasite, nested in tumor-like swelling about 1-2 cm in diameter and 0.5 cm high in her neck, was removed. The parasite was identified by its morphological characteristics as the larva of Hypoderma lineatum. After the removal of the larva, which was yellowish-white, oval-shaped and about 6 mm long and 1.5 mm wide, the lesion healed in two weeks without further treatment. Clinical and laboratory staff will need to be alert in the future, not only to myiasis caused by Dermatobia and Cordylobia larvae from tropical and subtropical areas but also to Hypoderma larvae from the Himalayan area from where the patient returned to Slovenia.
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PMID:Cutaneous myiasis caused by Hypoderma lineatum. 1908 66

Tungiasis is an ectoparasitic skin disease caused by infestation by the female sand flea, Tunga penetrans. Prevalence in endemic areas may reach 83%, while it is rare in non-endemic areas. However, an increase in international travel to and from the affected regions may lead to a rise in the number of cases in non-endemic countries. We present a Danish case of tungiasis contracted during a trip to Kenya.
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PMID:[Tungiasis case after a trip to Kenya]. 1926 13

After a trip to Belize, a 25-year-old man noticed an erythematous papule on his upper right chest that enlarged over a 6-week period and formed a central aperture. The patient reported feeling movement and intermittent lancinating pains under the skin. The history and examination were consistent with cutaneous myiasis, likely secondary to the human botfly, Dermatobia hominis. The objective of reporting this case is to present a simple method of extraction of a botfly larva using a commercial venom extractor. The patient's upper chest was prepared, and an occlusive dressing was placed over the lesion for 30 minutes. The Extractor Pump (Sawyer Products, Safety Harbor, FL) was applied and activated, and the larva was rapidly extracted completely intact with no significant discomfort to the patient. The wound fully healed without complication. D hominis is a common etiology of cutaneous myiasis endemic to Belize. The larva burrows under the skin of mammals where it develops for a period of weeks before erupting and falling to the soil to pupate. The diagnosis and treatment of botfly infestation is pertinent to doctors in the United States as Central and South America are common travel destinations for North Americans. In this case, a commercially available venom extractor was demonstrated to be a safe, noninvasive, and painless method for botfly extraction in the field without use of hospital resources.
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PMID:Simple and effective field extraction of human botfly, Dermatobia hominis, using a venom extractor. 2324 47


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