Alagille syndrome

Description

Alagille (AGS) syndrome is variably characterized by chronic cholestasis due to paucity of intrahepatic bile ducts, peripheral pulmonary artery stenosis, vertebrae segmentation anomalies, characteristic facies, posterior embryotoxon/anterior segment abnormalities, pigmentary retinopathy, and dysplastic kidneys.; This term's classification was reviewed in the context of the Strategic Refinement project (2023) and was determined to be excluded from the 'endocrine system disorder' (MONDO:0005151) ontology branch (https://orcid.org/0000-0001-9310-0163)