Initial investigation done for Suspected Gallbladder stones
USG
FRCP
MRCP
CT scan
Ans. (a) USGRef: Bailey and Love 27th edition Page 1191* For Biliary Pathology Initial Imaging Modality of Choice is USG as it is easily available and inexpensive and Quick to perform, However it is operator dependent.
Gall Bladder & Bile Ducts