Table 1.

Rosemont criteria for EUS diagnosis of CP[24]

Major Criteria		Minor criteria
Major A		Cysts
Hyperechoic foci with shadowing		MPD calibre ≥3.5 mm
MPD calculi		Irregular ductal contour
		Side branch ectasia ≥1 mm
Major B		Echogenic duct walls and strands
Lobularity with honeycombing		Non-shadowing hyperechoic foci
		Lobularity with non-contiguous lobules
I. Consistent with CP	II. Suggestive of CP	III. Indeterminatefor CP	IV. Normal
A. 1 major A feature (+) ≥3 minor features	A. 1 major A feature (+) < 3 minor features	A. 3 to 4 minor features, no major features	≤2 minor features and no major features
B. 1 major A feature (+) major B feature	B. 1 major B feature (+) ≥3 minor features	B. major B feature alone or with <3 minor features
C. 2 major A features	C. ≥5 minor features (any)