Renal calculi undoubtedly cause greater morbidity in children under 2 years of age than the reports of their incidence suggest. The case to be presented is the sixteenth on record in all the literature in which a clinical diagnosis of a renal calculus over 3 mm. in diameter was made on an infant.1 In contradiction to this apparent rarity are the reports collected from the most recent literature2 showing the relatively high incidence of 0.05 per cent among 9,323 infants who came to necropsy. Other observers who included patients with gravel and smaller stones have had even greater incidence.3 If in addition to this one considers the number of cases of nephrolithiasis diagnosed during later life with vague symptoms dating back to infancy,4 one is compelled to assume that a number of cases in infants are not recognized.
Renal lithiasis must be considered in all cases
SCHONFELD WA. RENAL CALCULI IN AN INFANT: COMPLICATED BY PERINEPHRITIC ABSCESS AND SUBARACHNOID HEMORRHAGE. Am J Dis Child. 1935;50(3):686–692. doi:https://doi.org/10.1001/archpedi.1935.01970090116011
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