In this case report, malignant transformation and metastatic spread of hymenolepis nana, the dwarf tapeworm, was identified in a patient with advanced hiv infection. As mentioned above, hymenolepis nana does not require an intermediate host to complete its life cycle. Strain characteristics fecal suspension containing hymenolepis nana eggs fixed in formalin. Humans, rodents most common tapeworm of humans in the world 1% rate of infection in the southern u. Hymenolepiasis is the term when a human is infected with either h. Joyeux, in 1920, after a survey of most of the evidence, arrived at the conclusion that hymenolepis nana of man, and h. Both tapeworms are known for their global zoonotic significance 31. Infecciones por parasitos mas frecuentes y su manejo sciencedirect. Pada scolex terdapat rostelum yang bersifat refraktil dapat ditarikditonjolkan dan mempunyai 20 30 kaitkait, serta mempunyai 4 batil isap.
Join our community just now to flow with the file hymenolepis nana and make our shared file collection even more complete and exciting. Dwarf tapeworm hymenolepis nana, also known as rodentolepis nana, vampirolepis nana, hymenolepis fraterna, and taenia nana is a cosmopolitan species though most common in temperate zones, and is one of the most common cestodes a type of intestinal. Hymenolepis nana has a worldwide distribution with estimates of 5075 million carriers. Introduction the dwarf tapeworm is a species of tapeworm that is classified in the platyhelminthes phylum. Infeccion por hymenolepis nana tenia enana enfermedades. Clinicopathological studies on spontaneous hymenolepis. During the course of a survey on the intestinal protozoan infections among 362 children in st. Click the button below to download a pdf of our latest catalog. Diplacanthus manus, hymenolepis nana, hymenolepis murina. In terms of their impact on human health, the role of animal reservoirs and polyparasitism are both emerging issues in understanding the epidemiology of a number of these zoonoses. Malignant transformation of hymenolepis nana in a human. Education and information about hymenolepiasis, also known as hymenolepis nana infection, for health professionals.
Laboratory diagnostic of hymenolepis nana dwarf tapeworm. The dwarf tapeworm was found in man for the first time by bilharz, in cairo, egypt, in 1851. This infection does not require an intermediate host and infection can occur directly from one. He recovered a countless number of them at a postmortem on a boy who had died of meningitis. The majority of helminth parasites that are considered by who to be the cause of neglected diseases are zoonotic. The disease is a type of helminthiasis which is classified as a neglected tropical disease. The adult tapeworm parasitizes the small intestine of. It once held two other scientific names including vampirolepis nana and taenia nana 4. Alternative names are dwarf tapeworm infection and rat tapeworm infection. Hymenolepis rodentolepis nana is the most common cestode of humans, particularly in young children. Hymenolepiasis is the most common intestinal tapeworm infection of humans caused by worm of family cestoda, genus hymenolepis and species nana. Teresa cabezas, fernando cobo, joaquin salas y jose vazquez hymenolepis nana infection. Cdc hymenolepis resources for health professionals. Larval and adult beetles but optional larval stage, cysticercoid, can develop in d.
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