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ASCITES DEFINITION |
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Ascites is an abnormal accumulation of fluid in the abdomen. |
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Rapidly developing (acute) ascites can occur as a complication of
trauma, perforated ulcer, appendicitis, or inflammation of the colon
or other tube-shaped organ (diverticulitis). This condition can also
develop when intestinal fluids, bile, pancreatic juices, or bacteria
invade or inflame the smooth, transparent membrane that lines the
inside of the abdomen (peritoneum). However, ascites is more often
associated with liver disease and other long-lasting (chronic)
conditions. Types of ascites Cirrhosis, which is responsible for 80% of all instances of ascites in the United States, triggers a series of disease-producing changes that weaken the kidney's ability to excrete sodium in the urine. Pancreatic ascites develops when a cyst that has thick, fibrous walls (pseudocyst) bursts and permits pancreatic juices to enter the abdominal cavity. Chylous ascites has a milky appearance caused by lymph that has leaked into the abdominal cavity. Although chylous ascites is sometimes caused by trauma, abdominal surgery, tuberculosis, or another peritoneal infection, it is usually a symptom of lymphoma or some other cancer. Cancer causes 10% of all instances of ascites in the United States. It is most commonly a consequence of disease that originates in the peritoneum (peritoneal carcinomatosis) or of cancer that spreads (metastasizes) from another part of the body. Endocrine and renal ascites are rare disorders. Endocrine ascites, sometimes a symptom of an endocrine system disorder, also affects women who are taking fertility drugs. Renal ascites develops when blood levels of albumin dip below normal. Albumin is the major protein in blood plasma. It functions to keep fluid inside the blood vessels. |
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