PARATHYROID adenoma rarely occurs in children. Ony two cases were reported from this institution during the period 1930 to 1960.1,2 However, within the past year, three cases have been seen. This report describes these, with special emphasis on one case in which there were unusual joint findings (case 1).
Report of Cases
Case 1.—A 13½-year-old boy, admitted to the Mayo Clinic in May 1965, had been in good health until 3½ years previously when he experienced the sudden onset of colicky pain in the left lower quadrant of the abdomen. No medical advice had been sought at that time. He was said to have had a urinary tract infection (on the basis of frequency) one year prior to admission; these symptoms had subsided after one week of treatment. Three months before admission the attacks of abdominal pain had become more frequent, with hematuria developing one month later. Subsequently, a