To define the renal tissue changes in stone-forming patients with distal renal tubular acidosis (dRTA), we performed intra-operative papillary and cortical biopsies in five patients.

• 为了明确在结石形成伴远端肾小管酸中毒的患者中肾脏的组织改变，我们对五名患者实施了术中肾乳头和皮质活检。