the following have been diagnosed : primary hyperparathyroidism ( n = 3 ) , medullary sponge kidneys ( n = 5 ) , hyperuricemia ( n = 8 ) , cystinuria ( n = 1 ) , struvite nephrolithiasis ( n = 2 ) , idiopathic hypercalciuria of the absorptive ( n = 16 ) , dietary ( n = 46 ) or renal ( n = 5 ) type , and normocalciuric idiopathic urolithiasis ( n = 38 ) .
C0022681
medullary sponge kidneys
C0022646
renal