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Living with Plasma cell leukemia

A rare, aggressive form of multiple myeloma in which many plasma cells circulate in the blood, mostly in adults.

Understanding Plasma cell leukemia

Plasma cell leukemia (PCL) is a rare, aggressive form of multiple myeloma in which high levels of plasma cells circulate in the blood.

GARD says it usually appears in adults and older adults. It can involve disease outside the bone marrow (extramedullary disease), bone marrow failure and advanced stage disease.

Signs & symptoms

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

  • High numbers of plasma cells in the blood
  • Disease outside the bone marrow
  • Bone marrow failure

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 cancer specialists.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
Blood and bone marrow specialists (hematologists); Cancer specialists (oncologists)
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 rare disease patient organizations for support
  • 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
How is plasma cell leukemia different from multiple myeloma?
What treatment options are available?
Which specialists should be on my care team?

Quick facts

Symptoms usually startAdult and as an Older Adult

GARD doesn't describe a cause for this condition yet.

Blood

Also known as: leukaemia plasmacytic; leukemia plasmacytic; pcl; plasma cell leukemia, disease; plasma cell leukemia, morphology; plasmacytic leukaemia

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Plasma cell leukemiaGARD ID 9373 · 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 Plasma cell leukemia.

Explore the Plasma cell leukemia blog

Explore research for Plasma cell leukemia

Explore actively recruiting Plasma cell leukemia studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Plasma cell leukemia 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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