Hermansky-Pudlak syndrome (HSP) is a multi-system disorder characterized by oculocutaneous albinism, bleeding diathesis and, in some cases, neutropenia, pulmonary fibrosis, or granulomatous colitis. HPS comprises eight known disorders (HPS-1 to HPS-8), the majority of which present with the same clinical phenotype to varying degrees of severity. The disease is Monarch Disease Ontology term MONDO_0019312 (Hermansky-Pudlak syndrome). Also known as: HPS, HPS (Hermansky Pudlak syndrome), Hepatopulmonary Syndrome.