Randall’s plaque of patients with nephrolithiasis begins in basement membranes of thin loops of Henle
J. Clin. Invest. Andrew P. Evan, et al. 111:607 doi:10.1172/JCI17038 [Go to this article.]

Figure 8
Endoscopic and crystal deposition in papillary tissue of non–stone formers. In (a), example of a papilla from a non–stone former that was video recorded at the time of the mapping is shown. As in bypass patients, no distinct sites of Randall’s plaque are noted on the papilla of the non–stone formers; instead, a nodular-appearing structure (arrowhead) was seen along the side of the papilla. In (b), a low-magnification light-microscopic image of a large papillary sample of the only non–stone former shows several sites of Yasue-positive material. Crystal deposition was only found surrounding a few loops of Henle (arrows) and several vasa recta (inset). Magnification, ×15 (b); ×119 (inset in b).