Myiasis
| Classification according to ICD-10 | |
|---|---|
| B87.- | Myiasis, infestation by fly larvae |
| B87.0 | Dermatomyiasis (skin maggot) |
| B87.1 | Wound myiasis (skin myiasis, traumatic) |
| B87.2 | Ophthalmomyiasis (myiasis of the eye) |
| B87.3 | Nasopharyngeal myiasis (myiasis of the nose and throat) |
| Laryngeal myiasis (myiasis affecting the larynx) | |
| B87.4 | Otomyiasis (myiasis of the ear) |
| B87.8 | Myiasis in other locations |
| Enteromyiasis (myiasis of the intestine) | |
| Urogenital myiasis | |
| B.87.9 | Myiasis, unspecified |
| ICD-10 online (WHO version 2019) | |
The Myiasis (after Greek μυῖα myia = "Fly") or maggot disease is the infestation of animals with the larvae (maggots) of fly that of the tissue , the body fluids or the intestinal contents of the host's life. It is common in people in Central and South America and in regions with tropical or subtropical climates. In veterinary medicine, fly maggot infestation is also more common in Europe. Severely weakened or otherwise ill animals that are no longer able to clean themselves are particularly affected.
The larvae can settle in the skin (especially in small injuries) as well as in the body orifices and in open wounds . Inadequate hygienic conditions favor infestation .
groups
Parasitic carnivores
Parasitic fly larvae get under the skin in different ways: Eggs of such a fly species can get on the human skin via muddy ponds that may have been mixed with excrement. The hatching larva then digs into the area of meat with which it comes into contact. The flies can also come into contact with the skin through dirty clothes that are hung up to dry and on which the flies have laid their eggs. A third way of establishing contact is to use a blood-sucking fly to transport the eggs.
The nested larva usually stays close to the skin and does not dig itself deep because it has to breathe. She uses the hole in the skin through which she entered.
Fly larvae damage in the ear ( otomyiasis ) was already known in the Middle Ages. One spoke of the "troll (e)".
Casual carnivore
Some species of flies like to lay their larvae in open wounds. This can be useful as they keep the wound clean ( maggot therapy ). Other species, such as the New World screwworm fly ( Cochliomyia hominivorax ), Chrysomya bezziana , Chrysomya albiceps and Lucilia cuprina , penetrate the uninjured area and can even bury themselves there.
Random carnivores
These parasites get into the body by inadvertently swallowing them with contaminated food or being lured into the anal area by fecal odors. This is very rare and only found in extremely poor hygiene conditions.
See also
Web links
Individual evidence
- ^ Max Höfler: German book of names of diseases. Munich 1899, p. 752.
- ↑ Jürgen Martin: The 'Ulmer Wundarznei'. Introduction - Text - Glossary on a monument to German specialist prose from the 15th century. Königshausen & Neumann, Würzburg 1991 (= Würzburg medical-historical research. Volume 52), ISBN 3-88479-801-4 (also medical dissertation Würzburg 1990), p. 179.
