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Spontaneous resolution of cholelithiasis in an infant.

Cholelithiasis is an extremely unusual finding in infancy. Hemolytic disease, bile duct abnormalities, intestinal malabsorption have been implicated. Recently, an association of prematurity, bronchopulmonary dysplasia, total parenteral nutrition and furosemide has been reported. Rarely, sonographic discovery of idiopathic gallstones and their subsequent spontaneous disappearance has been reported. We report a case of an 11-week-old infant whose initial sonogram displayed evidence of true gallstone, that later showed resolution on follow-up examinations. In the absence of clinical or imaging evidence of biliary tract disease, we suggest an initial conservative management and follow-up sonograms.