Echinococcosis of liver
Helminthiases / / May 12, 2016
Among the lesions of different organs and tissues in this parasitic disease hydatid disease of the liver is the most common.From the total number of cases the disease, hepatic echinococcosis occurs in about 62% of cases.In Greece, liver hydatid disease was found in 60.4%, in Dalmatia - at 67.4%, in Argentina - in 73.4% of patients with this disease.The first place in frequency of liver echinococcosis in Europe occupies the island of Crete (81.6%).
Women hydatid disease of the liver develops much more often than men (58.5 - 68.7%).In most cases (65%) is observed in relatively young and middle age - 20 to 50 years.Children up to 16 years of hydatid disease of the liver, observed in 11.3%;early childhood he revealed extremely rare, due to the slow development of the parasite to infiltrate the tissue.In children, unlike adults prevails hydatid disease is not liver, and lungs.This is due, apparently, more frequently hit oncospheres airways.
frequency lesions of various liver sections varies: in the right h
On bottom surfaces of the diaphragm and the liver hydatid cysts arranged almost equally often - 33% and 29.7% in the liver thicker - 11.2%, on the rear surface - in 5.8% of cases.
cysts in the liver are more often solitary, but there may be multiple and located both in the right and left half of it.In total defeat or a plurality of adjacent liver cysts on the cut resembles a honeycomb.This bridge between cysts consist of atrophied and sclerosed liver tissue.In some cases, individual hydatid cysts reach enormous sizes, hanging from the surface of the liver in the pelvic cavity, and sometimes occupy the entire abdominal cavity.They can hold 10 liters or more of fluid, which often are children and grandchild hydatid bubbles.One of these patients, the cyst was mistaken for ascites, and it repeatedly after paratsentoza anterior abdominal wall evacuated on 5-7 liters of fluid.
In connection infection cases echinococcus liquid becomes turbid or purulent, and sometimes turns into purulent curd.Cysts, which are thicker in the body, can be located close to the major hepatic vessels and bile ducts.
As the wall of the cyst it is usually thinner and cuticular shell softens, that is often accompanied by rupture.In other cases, (10% of cases) occurs seal walls, sometimes with partial or complete their calcification, which usually occurs after the death of the parasite.The liquid is sucked from the cyst cavity, the latter shrinks and surrounded by dense scar tissue.In this state it can be in the liver for a long time without causing pathological disorders.
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hydatid cyst located within the liver, can be opened in the bile ducts.At the same time due to the receipt of bile in the bladder there is a destruction of the parasite.In the event of infection and insufficient drainage connection cysts develop inflammation.When these complications by type of disease is a liver abscess, sometimes with signs angioholitah.Cases of jaundice in the breakout hydatid cyst in the intrahepatic ducts, which developed due to blockage of the common bile duct subsidiaries bubbles descend into it.