Table 1.

Scale for Abnormal Papillary Appearance

Score	0	1	2
Plugging	0 yellow plaque deposits/dilated ducts	≤5 yellow plaque deposits/dilated ducts	>5 yellow plaque deposits/dilated ducts
Pitting	None	≤25% papillary surface involved	≥25% papillary surface involved
Loss of contour	None	Depressed	Completely flattened
Grade	a	b	c
Amount of Randall's plaque	Mild	Moderate	Severe
Final PPLA score	Sum (letter)

PPA = plugging, pitting, loss of contour, amount of Randall's plaque.