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Hermansky-Pudlak syndrome

Other Names for this Disease
  • Albinism with hemorrhagic diathesis and pigmented reticuloendothelial cells
  • Delta storage pool disease
  • Hermansky Pudlak syndrome
  • HPS
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Hermansky-Pudlak syndrome is a multisystem, genetic condition characterized blood platelet dysfunction with prolonged bleeding, visual impairment, and abnormally light coloring of the skin, hair, and eyes (oculocutaneous albinism). Long-term sun exposure greatly increases the risk of skin damage and skin cancers. Some individuals have colitis, kidney failure, and pulmonary fibrosis. Symptoms of pulmonary fibrosis usually appear during the early thirties and rapidly worsen. This condition is inherited in an autosomal recessive fashion.[1]

There are eight different types of Hermansky-Pudlak syndrome, which can be distinguished by their signs and symptoms and underlying genetic cause. Types 1 and 4 are the most severe forms. Types 1, 2, and 4 are the only types associated with pulmonary fibrosis. Individuals with type 3, 5, or 6 have the mildest symptoms of all the types. Little is known about the signs, symptoms, and severity of types 7 and 8.[1]
Last updated: 9/29/2011


  1. Hermansky-Pudlak syndrome. Genetics Home Reference. March 2010; Accessed 9/29/2011.
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Basic Information

  • Genetics Home Reference (GHR) contains information on Hermansky-Pudlak syndrome. This website is maintained by the National Library of Medicine.
  • The National Organization for Rare Disorders (NORD) is a federation of more than 130 nonprofit voluntary health organizations serving people with rare disorders. Click on the link to view information on this topic.

In Depth Information

  • Medscape Reference provides information on this topic. Click on the link to view this information. You may need to register to view the medical textbook, but registration is free.
    Dermatologic Manifestations of Hermansky-Pudlak syndrome
    Hermansky Pudlak syndrome - Ophthalmology
  • The Online Mendelian Inheritance in Man (OMIM) is an catalog of human genes and genetic disorders. Each entry has a summary of related medical articles. It is meant for health care professionals and researchers. OMIM is maintained by Johns Hopkins University School of Medicine. 
  • Orphanet is a European reference portal for information on rare diseases and orphan drugs.  Access to this database is free of charge.
  • PubMed is a searchable database of medical literature and lists journal articles that discuss Hermansky-Pudlak syndrome. Click on the link to view a sample search on this topic.