Intestinal Sucrase — Isomaltase Deficiency and Renal Calculi

Abstract
SINCE the report in 1964 of the first adult with sucrase-isomaltase deficiency proved by assays of intestinal enzymes,1 nine documented cases in adults have been described.2 3 4 5 6 7 The presence of the enzyme defect and renal calculus in two of our patients prompted the following report.Case ReportsD.B., a 45-year-old-man, was studied in 1966 because of diarrhea. He had had severe feeding problems as an infant, but later childhood development was normal. As an adult abdominal pain, flatulence and watery diarrhea developed when he ate sucrose. He passed renal stones on 4 occasions, the 1st time in 1944 and the last . . .