MONDO_0011997 (Hermansky-Pudlak syndrome 2) is a type of Hermansky-Pudlak syndrome (HPS), a multi-system disorder characterized by oculocutaneous albinism, bleeding diathesis and neutropenia. Also known as: AP3B1 Hermansky-Pudlak syndrome, HPS-2, HPS2, Hermansky-Pudlak syndrome caused by mutation in AP3B1, Hermansky-Pudlak syndrome type 2.