kb/data/en.wikipedia.org/wiki/Biliary_microlithiasis-0.md

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---
title: "Biliary microlithiasis"
chunk: 1/1
source: "https://en.wikipedia.org/wiki/Biliary_microlithiasis"
category: "reference"
tags: "science, encyclopedia"
date_saved: "2026-05-05T07:26:31.871930+00:00"
instance: "kb-cron"
---
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.
== See also ==
Biliary sludge
== References ==