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pseudocyst |
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pseudocyst /pseu·do·cyst/ (soo´do-sist) 1. an abnormal or dilated space resembling a cyst but not lined with epithelium. 2. a complication of acute pancreatitis, characterized by a cystic collection of fluid and necrotic debris whose walls are formed by the pancreas and surrounding organs. 3. a cluster of small, comma-shaped forms of Toxoplasma gondii found particularly in muscle and brain tissue in toxoplasmosis.
pseudocyst an abnormal dilated space resembling a cyst but not lined with epithelium, e.g. a retroperitoneal accumulation of urine from a leaking ureter. pancreatic pseudocyst accumulation of pancreatic secretions and cellular debris may occur with recurring episodes of pancreatitis, most commonly in dogs. perirenal pseudocyst, perinephritic pseudocyst salivary pseudocyst see salivary mucocele. pseudocyst Parasitology A cyst-like 'mass' that corresponds to a macrophage laden with Toxoplasma gondii or other sporozoans which is most often seen in the brain, a finding typical of AIDS neuropathy Pathology A dilated space lined by neither epithelium nor mesothelium, classically seen in the pancreas as unilocular spaces lined by fibrous tissue, often following multiple bouts of acute pancreatitis, or in the ultrarare hereditary pancreatitis How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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