Idiopathic Hypercalcemia of Infancy, with Failure to Thrive

Abstract
THE syndrome of "idiopathic hypercalcemia of infancy, with failure to thrive" has been reported with some frequency in the United Kingdom during the past few years. It appears to be relatively uncommon in North America, only 2 cases having been recorded in some detail1 , 2 and 2 others briefly noted.3 The reasons for this discrepancy in incidence among two populations, similar in many ways, are not understood.Three infants with this condition, which was severe in 1 and mild in 2, have been observed at the Children's Hospital of Philadelphia within a period of two years. This communication is presented to . . .