Biliary microlithiasis
# Biliary microlithiasis

Biliary microlithiasis refers to the creation of small gallstones less than 3 mm in diameter in the biliary duct or gallbladder.

It has been suggested as a cause of postcholecystectomy syndrome, or PCS, the symptoms of which include:

* Upset stomach, nausea, and vomiting.
* Gas, bloating, and diarrhea.
* Persistent pain in the upper right abdomen.

## Diagnostics

* Biliary Microlithiasis may be detectable by ultrasound using a Rapid Patient Rotation Ultrasound Protocol
* Analysis of biliary sludge obtained through endoscopic retrograde cholangiopancreatography (ERCP)

## Treatment

* Oral ursodeoxycholic acid can be used to dissolve these crystals.
