[Digestive manifestations of hyperoxaluria]

Primary hyperoxaluria is a rare hereditary disease caracterised by deposits of calcium oxalate in different tissues, essentially the kidney. The digestive localization was exceptional. We reported two childs who are aged respectively 13 and 16 years; they are admitted for end stage renal failure caused by primitive hyperoxaluria. The diagnosis was suspected because there were consanguinity, nephrolithiasis in the two cases and nephrocalcinosis in one. It is confirmed by increase oxalic and oxaluric levels. The hemodialysis was started. After some years, the two patients developed crystal deposition in her digestive wall