FIG. 3.

(A) This papilla has pitting focused at the periphery of the papillary tip (black circle). Less than 25% of the papillary surface is affected. A single yellow plaque deposit is marked by a black arrow. The papilla has no loss of contour and a severe amount of Randall's plaque (black arrowheads) (Plugging = 1, Pitting = 1, Loss of Contour = 0, Randall's plaque = c [PPLA 2c]). (B) This compound papilla demonstrates pitting with more than 25% of the papillary surface affected (black circle). There is no evidence of plugging or loss of contour. Moderate Randall's plaque is seen (Plugging = 0, Pitting = 2, Loss of Contour = 0, Randall's plaque = b [PPLA 2b]).