black gallstone

A gallstone composed of bilirubin polymers mixed with mucin glycoprotein matrix. Black gallstones are most common in a background of cirrhosis and chronic hemolysis, as occurs in sickle cell anemia or thalassemia

black gallstone

Internal medicine A gallstone composed of bilirubin polymers mixed with mucin glycoprotein matrix; BGs are most common in a background of cirrhosis and chronic hemolysis, as occurs in sickle cell anemia or thalassemia; BGs comprise 10-90% of all gallstones, depending on the population being studied, and have more calcium, carbonate and unmeasured residue, but less cholesterol and fat. See Gallstone. Cf Brown gallstone.

单词	black gallstone
释义	black gallstone A gallstone composed of bilirubin polymers mixed with mucin glycoprotein matrix. Black gallstones are most common in a background of cirrhosis and chronic hemolysis, as occurs in sickle cell anemia or thalassemia black gallstone Internal medicine A gallstone composed of bilirubin polymers mixed with mucin glycoprotein matrix; BGs are most common in a background of cirrhosis and chronic hemolysis, as occurs in sickle cell anemia or thalassemia; BGs comprise 10-90% of all gallstones, depending on the population being studied, and have more calcium, carbonate and unmeasured residue, but less cholesterol and fat. See Gallstone. Cf Brown gallstone.
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