Short answer · Medically reviewed summary · Last updated: 2026-04-07
Hermansky-Pudlak syndrome (HPS) is a rare genetic disorder characterized by oculocutaneous albinism, a bleeding diathesis due to platelet storage pool deficiency, and lysosomal ceroid lipofuscinosis. While it is almost universally referred to as Hermansky-Pudlak syndrome in modern clinical literature, it has historically been known by various descriptive terms, including "delta-storage pool deficiency" and "albinism-hemorrhagic diathesis syndrome." Why does Hermansky-Pudlak syndrome have multiple names? The naming of Hermansky-Pudlak syndrome reflects the evolution of medical understanding regarding its complex, multi-system nature.
Hermansky-Pudlak syndrome (HPS) is a rare genetic disorder characterized by oculocutaneous albinism, a bleeding diathesis due to platelet storage pool deficiency, and lysosomal ceroid lipofuscinosis. While it is almost universally referred to as Hermansky-Pudlak syndrome in modern clinical literature, it has historically been known by various descriptive terms, including "delta-storage pool deficiency" and "albinism-hemorrhagic diathesis syndrome."
The naming of Hermansky-Pudlak syndrome reflects the evolution of medical understanding regarding its complex, multi-system nature. Early literature frequently described the condition based solely on its most visible symptoms, leading to descriptive labels like "albinism with hemorrhagic diathesis." As researchers identified the underlying platelet abnormalities, the term "delta-storage pool deficiency" was frequently used in hematology journals. Furthermore, because Hermansky-Pudlak syndrome is a group of related genetic disorders (currently 11 known subtypes, HPS-1 through HPS-11), older medical records might occasionally refer to specific subtypes by their associated gene mutations rather than the umbrella term. Today, Hermansky-Pudlak syndrome is the preferred clinical nomenclature to ensure consistency across international medical databases.
When reviewing older medical records or international literature, you may encounter several terms that refer to the same clinical entity. The following list summarizes the historical and alternative names associated with Hermansky-Pudlak syndrome:
To avoid confusion, major medical classification systems have standardized the terminology for Hermansky-Pudlak syndrome. Using a standardized name is vital for insurance coding, clinical research, and patient coordination. In the International Classification of Diseases (ICD-10/11), it is indexed under rare disorders of pigmentation and platelet function. In the Online Mendelian Inheritance in Man (OMIM) database, it is cataloged under the entry #203300. Orphanet, the European reference portal for rare diseases, uses the primary name Hermansky-Pudlak syndrome (ORPHA:399) to unify all 11 genetic subtypes under a single diagnostic umbrella. At DiseaseMaps.org, where 8 community members have shared their journeys, we prioritize this standard nomenclature to ensure our members can connect regardless of their specific genetic subtype.
Medical disclaimer: This content is for educational purposes only and does not constitute medical advice, diagnosis, or treatment; always seek the advice of your physician or other qualified health provider with any questions regarding a medical condition.