In cholangiography CBD stone appears as
Mr cholangiography : provides excellent anatomic detail, with sensitivity and specificity of 95 %and 98 %respectively for CBD stones Typical meniscus sign is seen when the CBD stone is wedged at the level of the papilla Ref: Sutton 6th edition Pgno : 971
Meniscus sign
Cutoff sign
Slight flow of dye from the sides
Ability to absorb water
G.I.T