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Living with Isolated delta-storage pool disease

A rare blood condition in which platelets do not work well, causing easy bruising and bleeding.

Understanding Isolated delta-storage pool disease

Isolated delta-storage pool disease is a rare blood condition with fewer platelets and platelets that do not work properly.

Platelets are blood cells that help blood clot. In this condition, parts of the platelets called dense granules form poorly or do not work, and so do melanosomes (pigment parts) in skin cells. Signs range from mild bleeding and easy bruising to moderate skin and mucous membrane bleeding. Bleeding can also be a problem after surgery.

Signs & symptoms

GARD doesn't list specific symptoms for this condition yet. Its summary describes these features:

  • Easy bruising
  • Mild to moderate bleeding
  • Bleeding from the skin and mucous membranes
  • Bleeding after surgery
  • Low platelet count (thrombocytopenia)

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Specialists who may be involved include blood and bone marrow specialists and genetic specialists.

  3. Consider genetic testing

    Changes in FLI1 are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

Care & treatment

Care team
Blood and bone marrow specialists (hematologists); Genetic specialists (geneticists)
Expert care
Ask about multidisciplinary care centers for rare conditions
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with National Bleeding Disorders Foundation
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
Can genetic testing for the FLI1 gene confirm the diagnosis?
What should I tell my surgeon or dentist before any procedure?
Which blood tests will track my platelets?

Quick facts

InheritanceAutosomal Dominant, Autosomal Recessive
GenesFLI1

Changes in the FLI1 gene are listed. GARD lists autosomal dominant and autosomal recessive inheritance.

GeneticBlood

Also known as: isolated delta-spd; isolated dense-spd; isolated dense-storage pool disease

Patient organizations

Source: NIH GARD · Isolated delta-storage pool diseaseGARD ID 20674 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Isolated delta-storage pool disease.

Explore the Isolated delta-storage pool disease blog

Explore research for Isolated delta-storage pool disease

Explore actively recruiting Isolated delta-storage pool disease studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Isolated delta-storage pool disease with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
  • Share your city to look for research near you
  • Eligibility is confirmed by the study team

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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