Myiasis is infection with the larval stage maggots of various flies. Flies in several genera may cause myiasis in humans. Dermatobia hominis is the primary human bot fly. Cochliomyia hominovorax is the primary screwworm fly in the New World and Chrysomya bezziana is the Old World screwworm. Cordylobia anthropophaga is known as the tumbu fly.

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Myiasis is a common travel-associated dermatosis. Travelers to many parts of Central and South America are susceptible to infestation by Dermatobia hominis.

Despite the common name of human botfly, D hominis infests a broad range of mammals and is a severe pest to economically important farm animals in endemic regions.

The adult female does not lay the eggs on the host. Instead, the adult female infests hosts indirectly by using blood-feeding arthropods to serve as phoretic vectors to transport the eggs. We present a patient who acquired Dermatobia when bitten by a day-active mosquito during a visit to Guatemala. He had a locally painful, firm furuncular lesion with a central pore that drained serosanguineous exudates.

The patient applied an occlusive ointment and recovered the larva after it emerged. In this report we discuss the life cycle of D hominis, the differential diagnosis, and therapeutic approaches. This site needs JavaScript to work properly. Please enable it to take advantage of the complete set of features! Clipboard, Search History, and several other advanced features are temporarily unavailable. Search: Search.

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Send even when there aren't any new results. Optional text in email:. Save Cancel. Create a file for external citation management software Create file Cancel. Full-text links Cite Favorites. Abstract Myiasis is a common travel-associated dermatosis. Similar articles [Update on Dermatobia hominis: South American furuncular myiasis]. Clyti E, et al. Med Trop Mars.

PMID: Review. Turkiye Parazitol Derg. PMID: Cutaneous myiasis from Dermatobia hominis. Guse ST, et al. Wilderness Environ Med. Botfly myiasis: a case report. Ofordeme KG, et al. Myiasis with Lund's fly Cordylobia rodhaini in travelers. Tamir J, et al. J Travel Med. Show more similar articles See all similar articles. Norouzi R, et al.

Iran J Parasitol. Cutaneous Myiasis. Solomon M, et al. Curr Infect Dis Rep. Zammarchi L, et al. Ann Dermatol. Epub Sep Furuncular myiasis on glans penis. Lyra MR, et al. Am J Trop Med Hyg. No abstract available.

Dermoscopy as an auxiliary tool for the diagnosis of furuncular myiasis. Bernardes Filho F, et al. An Bras Dermatol. Show more "Cited by" articles See all "Cited by" articles. Publication types Case Reports Actions. Review Actions.

MeSH terms Animals Actions. Culicidae Actions. Diagnosis, Differential Actions. Female Actions. Humans Actions. Larva Actions. Male Actions. Mexico Actions. Middle Aged Actions. Shoulder Actions. Travel Actions.

Ultrasonography Actions. Other Literature Sources The Lens. Full-text links [x] Elsevier Science. Copy Download.


Furuncular Myiasis Caused by Dermatobia Hominis, the Human Botfly

Dermatobia hominis are endemic to the highlands of Central and South America. Their range extends from southern Mexico to northern Argentina. Bangsgaard, et al. Dermatobia hominis , also known as the tropical warble fly or human bot fly, are found in tropical and semi-tropical areas of the New World. These places are typically coffee-growing highlands, as D. Catts, ; Dunn, ; Roberts and Janovy, Jr. Adult D.


Andrea K. Boggild, Jay S. Keystone, Kevin C. 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.


Oestrus hominis Linnaeus Jr. It is also known as the torsalo or American warble fly , [1] though the warble fly is in the genus Hypoderma and not Dermatobia , and is a parasite on cattle and deer instead of humans. Dermatobia fly eggs have been shown to be vectored by over 40 species of mosquitoes and muscoid flies , as well as one species of tick ; [2] the female captures the mosquito and attaches its eggs to its body, then releases it. Either the eggs hatch while the mosquito is feeding and the larvae use the mosquito bite area as the entry point, or the eggs simply drop off the muscoid fly when it lands on the skin. The larvae develop inside the subcutaneous layers, and after about 8 weeks, they drop out to pupate for at least a week, typically in the soil.

DIN 73411 PDF

Myiasis is a parasitic infestation of vertebrate animal tissues due to maggots of two-winged flies Diptera that feed on living or necrotic tissue. Dermatobia hominis occurs widely in tropical parts of Latin America; it is the most common cause of furuncular myiasis in this region. The continuous increase in international travel has increased the possibility of observing this pathology outside endemic countries, especially in travelers returning from the tropics. If clinicians are aware of the possibility of the disease and its treatment options, this dermatosis can be easily managed. However, diagnostic delay is very common because the disease is often misdiagnosed as a bacterial skin infection. Here, we report 2 cases of furuncular myiasis caused by D.

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