What is the recommended treatment for Dicrocoelium dendriticum?
Because human infections with Dicrocoelium dendriticum are so rare, there are multiple suggestions for treatment. The standard treatment is an anthelmintic such as Praziquantel, Triclabendazole, or Mirazid.
How does Dicrocoelium dendriticum cause disease?
The lancet fluke infection is caused by D. dendriticum in sheep, goats, deer and humans. The adult worms live in the bile duct of the host giving rise to various liver troubles. The disease is acquired by ingestion of metacercariae while snails and ants serve as the intermediate hosts in the worm’s life cycle.
How many hosts does Dicrocoelium dendriticum have in its life cycle?
The Lancet liver fluke (Dicrocoelium dendriticum) has a rather complex life cycle that includes two intermediate hosts and one definitive host.
What is Dicrocoeliasis?
Dicrocoeliasis is a rare zoonotic disease caused by liver flukes in the genus Dicrocoelium. Most true human infections are caused by D. dentriticum, which occurs in North America, Asia, Europe, northern Africa, and the Middle East.
What is the intermediate host of Dicrocoelium Dendriticum?
Intermediate hosts of Dicrocoelium spp. requires a snail as a first intermediate host. Over 50 species of land snail may serve as the first intermediate host. The second intermediate host is an ant, usually in the genus Formica, although other genera may serve as a host.
What is slime ball in parasitology?
(helminthology, specifically) A mucus-coated lump containing the cercariae (“parasitic larvae”) of a liver fluke (of the phylum Platyhelminthes). quotations ▼
Which life cycle stage of Dicrocoelium Dendriticum infects enters penetrates the first intermediate host?
The life cycle of D. dendriticum involves a pulmonate terrestrial snail as first intermediate host. The miracidia emerge from an egg after ingestion by a snail in which they penetrate the hepatopancreas and form first-generation sporocysts.
Is Dicrocoelium a trematode?
The trematode Dicrocoelium dendriticum, the lanceolate fluke or lancet fluke, is a common parasite of ruminants but humans can be accidental definitive hosts. Another species, D. hospes, is responsible for human infections in West Africa.
Which of the following is the intermediate host for the flatworm Dicrocoelium Dendriticum?
Like all trematodes, Dicrocoelium spp. requires a snail as a first intermediate host. Over 50 species of land snail may serve as the first intermediate host. The second intermediate host is an ant, usually in the genus Formica, although other genera may serve as a host.
Is clonorchis hermaphroditic?
C. Clonorchis sinensis adults are flattened, lance shaped, and measure approximately 10 to 25 mm long by 3 to 5 mm wide. The oral and ventral suckers (acetabulum) are relatively small. Like other flukes, they are hermaphroditic.
What do Lancet liver fluke eat?
Dicrocoelium dendriticum (or the lancet liver fluke) is a parasitic flatworm. During the course of its remarkable life cycle it inhabits snails, ants and herbivorous mammals such as cattle.
What is the most widespread human disease caused by flukes?
Schistosomiasis, also known as bilharzia, is a disease caused by parasitic worms. Although the worms that cause schistosomiasis are not found in the United States, people are infected worldwide. In terms of impact this disease is second only to malaria as the most devastating parasitic disease.
What does Dicrocoelium dendriticum eggs look like?
Dicrocoelium dendriticum eggs in wet mounts. Eggs of Dicrocoelium dendriticum are operculated and measure 35-45 µm long by 20-30 µm wide. The eggs are thick-shelled and usually dark brown in color. Eggs are fully embryonated when shed in feces.
What are the symptoms of Dicrocoelium dendriticum?
In heavier infections, symptoms may include cholecystitis, liver abscesses and upper abdominal pain. Eggs of Dicrocoelium dendriticum are operculated and measure 35-45 µm long by 20-30 µm wide. The eggs are thick-shelled and usually dark brown in color. Eggs are fully embryonated when shed in feces.
What is the definitive host of Dicrocoelium?
The trematode Dicrocoelium dendriticum, the lanceolate fluke or lancet fluke, is a common parasite of ruminants but humans can be accidental definitive hosts. Another species, D. hospes, is responsible for human infections in West Africa. Embryonated eggs containing miracidia are shed in feces of definitive hosts, which are typically ruminants .
Where is Dicrocoelium dendriticum found in the world?
Geographic Distribution. Dicrocoelium dendriticum is present in definitive hosts throughout Europe, Asia, and North Africa, and can be found sporadically in North America. Most of the known clinical cases have occurred in North Africa and the Middle East.