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Echinococcus granulosus, also called the hydatid worm or dog tapeworm, is a cyclophyllid cestode that dwells in the small intestine of canids as an adult, but which has important intermediate hosts such as livestock and humans, where it causes cystic echinococcosis, also known as hydatid disease.
The first step towards figuring out the cause of echinococcosis occurred during the 17th century when Francesco Redi illustrated that the hydatid cysts of echinococcosis were of "animal" origin. Then, in 1766, Pierre Simon Pallas predicted that these hydatid cysts found in infected humans were larval stages of tapeworms. [51] [52]
It penetrates the intestinal wall and is carried by bloodstream to liver, lung, brain, or another organ. It settles there and turns into a bladder-like structure called hydatid cyst. From the inner lining of its wall, protoscoleces (i.e. scoleces with invaginated tissue layers) bud and protrude into the fluid filling the cyst.
Hydatid cysts of Morgagni, also hydatids of Morgagni or Morgagni's cysts, are common and appear as pedunculated, often tiny, frequently multiple cysts connected to the fimbriae of the fallopian tubes. They thus appear to be a specific variant of paratubal cysts. [9] They are named after Giovanni Battista Morgagni.
Echinococcus multilocularis, the fox tapeworm, is a small cyclophyllid tapeworm found extensively in the northern hemisphere. E. multilocularis, along with other members of the Echinococcus genus (especially E. granulosus), produce diseases known as echinococcosis.
Water lily sign is a radiologic sign seen in hydatid cyst infection. [1] It refers to floating laminated membranes of the cyst within a dense fibrous cystic wall, resembling the appearance of a water lily in radiographs.
The PAIR (puncture-aspiration-injection-reaspiration; sometimes percutaneous aspiration-injection-reaspiration [1]) procedure is a noninvasive treatment option to remove hydatid cysts. [2] PAIR is considered an alternative treatment for cystic echinococcosis ( hydatid disease ) and is often indicated for patients who do not respond to surgery ...
The hydatid of Morgagni can refer to one of two closely related bodily structures: ... Paraovarian cyst (in the female) This page was last edited on 10 September ...