Furuncular myiasis in a child caused by Wohlfahrtia magnifica (Diptera: Sarcophagidae) associated with eosinophilia.

We report the case of an eight-year-old boy with hypereosinophilia who presented with a swelling under his right armpit that had persisted for more than four weeks. A second-stage larva of Wohlfahrtia magnifica was found, leading to the diagnosis of cutaneous myiasis. Following removal of the larva, the clinical and hematological manifestations returned to normal. Diagnosis of myiasis should always be kept in mind in the event of clinical signs of furuncular lesions, which may be accompanied by eosinophilia.

[Update on Dermatobia hominis: South American furuncular myiasis]. / Le point sur Dermatobia hominis: myiase "furonculeuse" d'Amérique du Sud.

Furuncular myiasis is an infestation of the skin caused by Dermatobia hominis larvae known as "ver macaque" in French Guyana, "berne" in Brazil, "torsalo" in Colombia, or "human botfly" in English-language literature. It has identical features in man and domestic mammals. The primary lesion consists of a boil-like inflammatory papule with a central punctum exuding a serosanguinous discharge. The respiratory sinus of the D. hominis larvae may be visible through the punctum. Myiasis secondary to D. hominis accounts for 10% of imported tropical dermatosis observed in Paris. Diagnosis of furuncular myiasis should be considered in any patient with a history of travel or residence in an endemic area. Treatment depends mainly on mechanical removal that may be facilitated by injection of lidocaine into the lesion or prior application of a 1% solution of ivermectin.

A case of furuncular myiasis associated with systemic inflammation.

Cutaneous myiasis is a common travel-associated dermatosis caused by fly larvae. We report an unusual case of furuncular myiasis caused by Dermatobia hominis that was associated with signs of systemic inflammation. In this case study, morphological and novel molecular approaches were used to identify and characterize the larvae responsible for human infestation.

Furuncular myiasis secondary to Dermatobia hominis.

Dermatobia homininis is the most common cause of furuncular myiasis in Central and South America. It is diagnosed based on a history of travel to an endemic region and the characteristic cutaneous lesion. We present a 54-year-old patient who presented with both a travel history and cutaneous findings of furuncular myiasis.

Cutaneous myiasis presenting as chronic furunculosis--case report.

Myiasis is the infection of tissue or organ of living humans or animals by the maggot or larval stages of flies. In Africa, the most common fly responsible for cutaneous myiasis is the tumbu fly, Cordylobia anthropophaga. We present two cases of cutaneous myiasis seen on the upper abdominal wall and anterior chest wall. Both were initially diagnosed as furuncle (common boil), but from high index of suspicion of myiasis, followed by application of petroleum jelly and palm oil to occlude the spiracle and the expulsion of larva stage of Cordylobia anthropophaga the diagnoses in both cases were confirmed.

[Cutaneous myiasis]. / Kutan myiasis.

Cutaneous myiasis is the infestation of skin or mucous membranes with larvae of flies. We describe a case of imported cutaneous infestation with Dermatobia hominis acquired in South America. The diagnosis should be suspected in a patient with a secreting, non-healing furuncular skin lesion and relevant travel history.

Furuncular myiasis: a simple and rapid method for extraction of intact Dermatobia hominis larvae.

We report a case of furuncular myiasis complicated by Staphylococcus aureus infection and beta-hemolytic streptococcal cellulitis. The Dermatobia hominis larva that caused this lesion could not be extracted using standard methods, including suffocation and application of lateral pressure, and surgery was contraindicated because of cellulitis. The botfly maggot was completely and rapidly extracted with an inexpensive, disposable, commercial venom extractor.

Furuncular cuterebrid myiasis.

Myiasis is the infestation of skin bythe larvae of flies. In North America cases are caused by the botfly (Cuterebra) and occur most commonly in children. The usual presentation is a subcutaneous abscess, and for this reason these patients may be referred to surgeons. Knowledge of this entity can avoid delays in diagnosis, unnecessary incision and drainage procedures, and unnecessary courses of antibiotics.

An unexpected surprise in a common boil.

Cutaneous myiasis (myia: Greek word for fly) is an infestation of fly maggots in the skin. A case of human botfly (Dermatobia hominis) myiasis presenting to a Canadian emergency department is described. Typically, it presents as an apparent persistently infected skin abscess or insect bite. As the botfly is indigenous only to Central and South America, the condition is unfamiliar to most North American physicians. However, the rapidity of international air travel permits this exotic tropical infestation to present in any region. Obtaining a history of recent travel to an endemic area is the key to making the diagnosis and instituting appropriate treatment.

[Cutaneous myiasis caused by a double infestation with larvae of Dermatobia hominis and Cochliomyia hominivorax]. / Cutane myiasis door een dubbelinfestatie met larven van Dermatobia hominis en Cochliomyia hominivorax.

In a 51-year-old man who had visited Surinam, cutaneous myiasis was diagnosed, caused by simultaneous infestation with the larvae of two different species of flies: Dermatobia hominis and Cochliomyia hominivorax. On his right lower arm the man had two solitary, furuncle-like lesions with a central breathing hole. Two days after these holes had been occluded with vaseline, two white larvae of D. hominis emerged. On both ankles the man had large, undermined ulcers containing hundreds of creeping larvae about 2 cm in length with a salmon-like colour: C. hominivorax. The larvae were removed from the ulcers by hand and by rinsing with physiological saline, after which the wounds healed rapidly. Myiasis is seen in the Netherlands mostly in people returning from a holiday in myiasis-endemic areas.

[Cutaneous myiasis. A case of double infestation with Dermatobia hominis larvae]. / Kutan myiasis. Et tilfaelde af dobbelt infestation med fluelarven Dermatobia hominis.

We describe a case of imported double cutaneous infestation with Dermatobia hominis acquired in Central America. The characteristic clinical picture is a growing furuncular lesion with continuous secretion from a small central orifice. Because of the resemblance to a bacterial infection, there is a risk of diagnostic failure. Increasing incidence of imported myiasis may be expected as a result of increased travel activity to endemic areas. A certain knowledge of this disease is therefore required.

[Furunculoid myiasis caused by Dermatobia hominis]. / Miásis forunculoide por "dermatobia hominis"

The authors report a case of forunculoid miasis by "Dermatobia hominis" ("Ura" fly). a process that being not very common in the Argentine Republic is sometimes misjudged as a furunculosis. The patient reported, a white woman, 51, travelled to a zone where this parasitose is endemid. After some time of her stay there, she noted three small nodes in her vulvar region. They grew on until reaching nearly the size of a walnut. At her first consultation with a gynecologist it was taken as a case of furuncolosis and treated with antibiotics. As the treatment didn't prove succesful, she asked for dermatological advice. It was then possible to verify the presence of three nodes. In the central hole of one of them, there could be seen a whitish body that soon disappeared inwards. This lead to the diagnosis of forunculoid miasis. An accurate and easy-to-perform treatment was carried out: a 1% solution of formaldehyde in distilled water was infused through the central hole of each node. This determined the larva's caudal extremity to appear in search of air. It was taken advantage of this situation to remove the larvae with a pair of nippers. "Dermatobia hominis" is widely spread in the warm-climated Argentine northern provinces of Chaco, Formosa and Misiones, as well as in Brazil, Paraguay and some regions of Uruguay. It is also known under the name of "Ura". It is a large fly, yellow faced, with dark-blue thorax; an almost rombic metallic-blue abdomen, orange antennae and legs, and dark-brown wings. It lives on the nutrients spared during its larval stage and both fecundation and oviposition, take place along its week-long life. The fecundated female catches different haematophagus insects on the wing, sticking sets of eggs to their abdomens. An embryo developes in each egg, being ready to emerge in a week but does this only when the bearer insect settles on a homeothermal being piercing and penetrating the skin of the new guest in about 10 minutes.

Furuncular myiasis caused by the human bot-fly Dermatobia hominis in a domestic cat from Brazil.

This paper reports a case of furuncular myiasis caused by the human bot-fly Dermatobia hominis in a domestic cat from Brazil. A crossbred shorthaired female cat of approximately 3 years old, presented with three boil-like cutaneous lesions at the left cranioventral region of the neck. These were diagnosed as furuncular myiasis. The animal was sedated, and after shaving the fur, bot-fly larvae were removed from the lesion by digital compression. Afterwards, the wounds were treated with 10% iodine solution and also with wound-healing cream containing sulfanilamide, urea and beeswax. Maggots were identified as third-stage larvae of D hominis. Clinical case reports of human bot-fly myiasis in cats are relevant due to its scarce occurrence in feline veterinary practice in some countries.