The Human Phenotype Ontology (HPO) provides the following list of features that have been reported in people with this condition. Much of the information in the HPO comes from Orphanet, a European rare disease database. If available, the list includes a rough estimate of how common a feature is (its frequency). Frequencies are based on a specific study and may not be representative of all studies. You can use the MedlinePlus Medical Dictionary for definitions of the terms below.
Platelet storage pool deficiency refers to a group of conditions that are caused by problems with the platelet granules. Platelet granules are tiny storage sacs found within the platelets which release various substances to help stop bleeding. Some platelet storage pool deficiencies are due to reduced or absent granules or granule contents. Others occur if the platelets are unable to empty the contents of the platelet granules into the bloodstream.
Platelet storage pool deficiencies can be genetic or acquired (non-genetic). The four major genetic forms include dense body deficiency, gray platelet syndrome, Factor V Quebec, and mixed alpha-granule/dense body deficiency. Platelet storage pool deficiency is also a feature of several inherited conditions such as Hermansky-Pudlak syndrome, Chediak-Higashi syndrome, thrombocytopenia-absent radius (TAR) syndrome, and Wiskott-Aldrich syndrome.
Causes of acquired platelet storage pool deficiencies include:
Research helps us better understand diseases and can lead to advances in diagnosis and treatment. This section provides resources to help you learn about medical research and ways to get involved.
Nonprofit support and advocacy groups bring together patients, families, medical professionals, and researchers. These groups often raise awareness, provide support, and develop patient-centered information. Many are the driving force behind research for better treatments and possible cures. They can direct people to research, resources, and services. Many groups also have experts who serve as medical advisors. Visit their website or contact them to learn about the services they offer. Inclusion on this list is not an endorsement by GARD.
Living with a genetic or rare disease can impact the daily lives of patients and families. These resources can help families navigate various aspects of living with a rare disease.
These resources provide more information about this condition or associated symptoms. The in-depth resources contain medical and scientific language that may be hard to understand. You may want to review these resources with a medical professional.
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Is it better to have a Cesarean than a natural birth? See answer
My daughter was diagnosed with a storage pool disease. What are they and what steps can I take to protect my daughter? See answer