Lipoid proteinosis (LP) is a rare genodermatosis characterized clinically by mucocutaneous lesions, hoarseness developing in early childhood and, at times, neurological complications. The disease is lipoid proteinosis (Monarch Disease Ontology id MONDO_0009530). Also known as: Urbach-Wiethe disease, hyalinosis cutis et mucosae, lipid proteinosis, lipoproteinosis.