Monarch Disease Ontology term MONDO_0009218 (Farber lipogranulomatosis) is a rare sphingolipid disorder characterized by a spectrum of clinical signs ranging from the classical triad of painful and progressively deformed joints, subcutaneous nodules, and progressive hoarseness (due to laryngeal involvement) that presents in infancy, to varying phenotypes with respiratory and neurologic involvement. Also known as: Farber disease, N-LAURYLSPHINGOSINE deacylase deficiency, acid ceramidase deficiency.