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HPA | Hydatid disease | Background Information Hydatid disease in man is caused principally by infection with the larval stage of the dog tapeworm Echinococcus granulosus. Current evidence suggests that the main areas for Hydatid disease in Wales are Powys, Monmouthshire and farms on the southern slopes of the Brecon Beacons and the Black Mountains. Hydatid infection in food animals is in nearly all cases confined to the lungs and the liver; infected organs must be condemned and destroyed. www.hpa.org.uk /infections/topics_az/zoonoses/hydatid/gen_info.htm   (881 words)

AGA - Disease cards - Hydatid disease (Hydatidosis, Echinococcosis) Hydatid disease in cattle is caused by the larval stages of the 2-7 mm long tape worm Echinococcus granulosus, which lives in the intestines of dogs and other carnivores. Several strains of E. granulosus exist, the cattle/dog strain is primarily responsible for hydatid disease in cattle. In Africa hydatid disease is reported more commonly in cattle that are communally owned or are raised on free range, and which associate more intimately with the domestic dogs. www.fao.org /ag/againfo/subjects/en/health/diseases-cards/cards/hydatid.html   (349 words)

Echinococcus granulosus (hydatid disease)   (Site not responding. Last check: 2007-10-25) Hydatid cysts have the ability to grow quite large; cysts the size of golf balls are not uncommon, and cysts the size of basketballs are reported on rare occasions. The pathology associated with hydatid disease in the intermediate host depends on the size of the cyst and its location. A hydatid cyst (*) in the cranium of a child (the ruler at the top measures 6 inches long, and the child's brain is below the hydatid cyst). www.biosci.ohio-state.edu /~parasite/echinococcus.html   (567 words)

The Turkish Journal of Gastroenterology Hydatid disease of the liver is a parasitic infection and is endemic in many parts of the world. Hydatid disease is a parasitic infestation of the liver and is caused by echinococcus granulosus and is endemic in many parts of the world (1). Choledochoduodenostomy for intrabiliary rupture of hydatid cysts of liver. www.turkgastro.org /text.php?id=222   (1266 words)

Tropical Medicine Central Resource Cystic hydatid disease is unusual in that rupture and its sequelae (biliary obstruction, infection, dissemination, and anaphylaxis) are more important than the mass effect of the cyst, despite the enormous size sometimes attained by the lesion. The gross appearance of hydatid cysts, even after rupture, is often appreciated better by the radiologist than by the pathologist, who usually receives only fragments of tissue (although even a fragment of the wall of a cyst has a characteristic gross and microscopic appearance and is diagnostic of hydatid disease). Hydatid disease is infection by larvae of the genus Echinococcus (Table 3.1). tmcr.usuhs.mil /tmcr/chapter3/intro.htm   (652 words)

Erkan N, et al. A Case Report of the Unusual Presence of Hydatid Disease in the Pancreas and Breast. JOP. J Pancreas ... Primary pancreatic hydatid disease is extremely rare and it accounts for 0.19-2% of all hydatid cases [2]. Hydatid disease located in rare abdominal sites may lead to diagnostic difficulties, which is especially true in the case of isolated lesions in which there is no liver or lung involvement. Hydatid disease should be considered in the differential diagnosis of all cystic masses in all anatomic locations, especially in regions where the disease is endemic. www.joplink.net /prev/200409/10.html   (2204 words)

echinococcosis The disease is transmitted through direct contact with infected feces and ingesting viable parasite eggs with food. Embryos that are not destroyed by the body's defenses may develop into hydatid cyst(s), which grow and eventually cause pain, occlusion, or dysfunction according to the function or area of the effected organ(s). The hydatid cysts form in the liver in 50-79% of patients or in the lung 20% and the remaining 10% may be found in the brain, heart, or the bones. www3.baylor.edu /~Charles_Kemp/echinococcosis.htm   (921 words)

Diagnosis and management of hepatic hydatid disease - El-Safi. IJSS 1995 VOL 2 NO 3 pp 87-93   (Site not responding. Last check: 2007-10-25) Hydatid disease of the liver remains an important world-wide health problem which is endemic in many sheep-raising areas, where dogs have access to infected offal. The diagnosis of hydatid disease in our series was based primarily upon a characteristic appearance on ultrasound and/or CT imaging, as the majority of our patients presented with an abdominal mass (hepatomegaly) or recurrent pain in the right upper quadrant of the abdomen. Ultrasound, CT and MRI of ruptured and disseminated hydatid cysts. www.eass.it /ijss/3.199/elsefi.htm   (3294 words)

Pulmonary Hydatid Cysts   (Site not responding. Last check: 2007-10-25) The incidence of hydatid disease is 1: 2000 in Turkey Hydatid disease is a common and serious health problem in the infested areas of the world. Crausaz PH: Surgical treatment of hydatid cyst of the lung and hydatid disease of the liver with intrathoracic evolution J. Thorac Cardiovasc Surg, 1967; 53: 116-119. ams.cu.edu.tr /July2000Vol9No2/pulmonar.htm   (2063 words)

Article : HIV and the Changing Role of Radiologist ; Author : Dr. Shrinivas B. Desai ; Co-Author(s) : ; Vol / Issue :13 ...   (Site not responding. Last check: 2007-10-25) Hydatid disease is a well-known entity since the era of Hippocrates. Hydatid disease is caused by a larva of Echinococcus granulosus and rarely Echinococcus multilocularis. Cytology : The cytologic diagnosis of hydatid disease is established by the identification of scolices, hooklets or fragments of laminated membrane. ijri.org /articles/ARCHIVES/2004-14-1/Breast_Imaging57.htm   (1291 words)

Hydatids-Key text Hydatid disease is a parasite infection of humans and animals. Hydatid disease causes significant problems to the health of wildlife and livestock and may have ecological and economic effects. Since hydatids is present in the wild population of kangaroos, pigs and other animals, the dogs become infected and may then pass the disease on to their owners. www.science.org.au /nova/056/056key.htm   (1519 words)

Article : HIV and the Changing Role of Radiologist ; Author : Dr. Shrinivas B. Desai ; Co-Author(s) : ; Vol / Issue :13 ...   (Site not responding. Last check: 2007-10-25) The disease is caused by the infestation of the larval form of Echinococcus granulosus. Hydatid disease in the central nervous system, orbit and heart are rare with a reported incidence of 1-2%, less than 1% and 0.5-2% respectively of all cases of hydatid disease [2,4]. Considering the possibility of hydatid disease an ultrasound scan of the abdomen, radiograph of the chest and an echocardiography were performed. ijri.org /articles/ARCHIVES/2004-14-1/Neuroradiology81.htm   (1470 words)

EPIDEMIOLOGY OF HYDATID DISEASE IN RIYADH Hydatid disease (echinococcosis) is a zoonotic infection of humans caused by Echinococcus granulosus. The prevalence of the disease is reported to be high in Middle Eastern countries, including Saudi Arabia, due to the presence of sheep and dogs living in close contact with humans, especially among the Bedouins. Intrabiliary rupture of hydatid cyst of the liver. www.kfshrc.edu.sa /annals/195/99-059.html   (1613 words)

Zoonosis: Echinococcosis (hydatid disease) A: Echinococcosis, or hydatid disease, is infection with the larval (cystic) stage of tapeworms belonging to the genus Echinococcus. Echinococcus multilocularis causes alveolar hydatid disease, a highly invasive and destructive form of echinococcosis that causes solid, tumorlike masses and is commonly confused with hepatic cirrhosis or carcinoma. In 1990, infection with Echinococcus mulfilocularis was diagnosed in a coyote in Indiana, www.avma.org /reference/zoonosis/znechino.asp   (2606 words)

Zoonotic diseases - Hydatid disease   (Site not responding. Last check: 2007-10-25) Human hydatid disease is most common where there is regular contact between dogs and sheep and where dogs are fed raw offal (lung, liver, kidney etc) from sheep especially, but also cattle, wallabies, kangaroos or feral pigs. Hydatid cysts are commonly found in sheep and cattle at slaughter in Queensland. The risk of hydatid disease is highest in rural areas or on the edge of cities where dogs and other grazing animals or wildlife come into contact. www.dpi.qld.gov.au /health/3893.html   (855 words)

Bombay Hospital Journal - Case Reports   (Site not responding. Last check: 2007-10-25) Hydatid disease is generally infested by echinococcus and commonly affects liver or brain. Hydatid disease which is an infestation by the larvae of echinococcus granulosus, is not common in this part of India and usually liver is involved. Though studies have shown that intra and retroperitoneal hydatid disease is mostly the result of spontaneous, traumatic or surgical rupture of a hydatid cyst, Engin et al, Gurdal et al mentioned that primary retroperitoneal hydatidosis is extremely rare and only occasional cases have appeared in literature. www.bhj.org /journal/2006_4804_oct/html/case_rep_674_675.html   (1046 words)

CHEST: CT in Pulmonary Hydatid Disease - ): Unusual Appearances   (Site not responding. Last check: 2007-10-25) Apart from the classically described features of pulmonary hydatid disease, a crescent-shaped rim of air at the lower end of the cyst (inverse crescent sign) was seen in three cysts, and a bleb of air in the wall of two as-yet unruptured cysts (signet ring sign). Hydatid disease of the lungs is a common disorder in many areas of the world. Thirty-two patients with surgically proven hydatid cysts of the lung who presented to the internal medicine department of the SheriKashmir Institute of Medical Sciences, Srinagar, were enrolled for the study. www.findarticles.com /p/articles/mi_m0984/is_6_118/ai_69964932   (1316 words)

Hydatid Disease: Radiologic and Pathologic Features and Complications: (CME Available in print version and on RSNA ... Map shows areas in which hydatid disease is endemic due to the transmission of E granulosus by means of the dog-sheep cycle (solid red areas). Dense calcification of the pericyst and cyst contents is common in end-stage hydatid disease and implies the death of the parasite. A hydatid matrix with a solid appearance is seen filling the rest of the cavity. radiographics.rsnajnls.org /cgi/content/figsonly/20/3/795   (4358 words)

eMedicine - Hydatid Cysts : Article Excerpt by: Imad S Dandan, MD Background: Hydatid disease is a parasitic infestation by a tapeworm of the genus Echinococcus. CE is a disease of younger adults, with an average age at diagnosis of 30-40 years. AE is a disease of older adults, with an average age at diagnosis of older than 50 years. www.emedicine.com /med/byname/hydatid-cysts.htm   (527 words)

The imaging appearances of hydatid disease at some unusual sites -- Dahniya et al. 74 (879): 283 -- The British Journal ... Hydatid disease is caused by the cystic stage of infestation The lesion was removed and pathological examination confirmed hydatid disease of the seminal vesicle. Multiple hydatid cysts with daughter cysts producing a multiloculated appearance in the rectus femoris and vastus lateralis muscles. bjr.birjournals.org /cgi/content/full/74/879/283   (1632 words)

Hydatid disease (echinococcosis) - Blue Book: IDEAS - Victorian Government Hydatid disease in humans is produced by cysts that are the larval stages of the tapeworm Echinococcus. Hydatid disease occurs worldwide and is mainly associated with sheep farming. Hydatid disease is not transmitted from person to person. www.health.vic.gov.au /ideas/bluebook/hydatid   (787 words)

Hydatid liver disease as a cause of recurrent pancreatitis Hydatid liver disease as a cause of recurrent pancreatitis Hydatid liver disease has a diverse clinical spectrum, and a diagnosis of acute pancreatitis should be considered in patients with hydatid liver disease presenting with unexplained abdominal pain. Hydatid liver disease is an uncommon disease in the United Kingdom. www.rcsed.ac.uk /journal/vol44_6/4460013.htm   (1422 words)

Pulmonary echinococcosis -- Morar and Feldman 21 (6): 1069 -- European Respiratory Journal Echinococcosis or hydatid disease is caused by larvae of the Hydatid disease of the lungs: a roentgenologic study of 50 cases. Hydatid disease of the liver with thoracic involvement. erj.ersjournals.com /cgi/content/full/21/6/1069   (4725 words)

Concepts in Immunology and Diagnosis of Hydatid Disease -- Zhang et al. 16 (1): 18 -- Clinical Microbiology Reviews hydatid fluid, is a sensitive marker of infection (176). of sheep with hydatid infection and uninfected sheep from the Hydatid disease: analysis of parasite antigens in circulating immune complexes and in preformed hydatid antigen-antibody complexes. cmr.asm.org /cgi/content/full/16/1/18   (8253 words)

Hydatid Disease Hydatid disease, infection of man, sheep, and most other herbivorous and omnivorous mammals with larvae of the tapeworm Echinococcus. Calcification is rare in lung hydatid, as compared to liver hydatid. If the pericyst ruptures, air dissecting between the fibrotic lung forming the pericyst and the ectocyst of the parasite leads to a visible crescent of air between the two and is known as the meniscus sign or crescent sign. www.e-radiography.net /radpath/h/hydatid.htm   (566 words)

Immunetics - QualiCode Hydatid Disease Test Kit Hydatid disease is caused by infection with the cestode Echinococcus granulosus. Serology has been a primary tool in the diagnosis of hydatid disease, and is frequently used in combination with CT, MRI or ultrasound. Hydatid cyst proteins are denatured by detergent disruption. www.immunetics.com /products/human/hydatid.html   (557 words)

Hydatid disease Hydatid disease is widespread in many countries; Turkana, a remote area of north-west Kenya has the highest prevalence, with about 8% of the population infected. If hydatid disease is endemic in your area, you may find hydatid cysts in a patient's liver (80%), spleen (7%) or the other parts of his abdomen (14%), or occasionally in his lungs, brain, or kidneys, or indeed almost anywhere. Remove all hydatid sludge, debris, and daughter cysts from the duct, and irrigate it thoroughly. www.meb.uni-bonn.de /dtc/primsurg/docbook/html/x11368.html   (2353 words)

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