--- 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 ==