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Living with CELSR1-related late-onset primary lymphedema

A rare genetic condition that causes swelling in one or both legs from a problem in the lymph system.

Understanding CELSR1-related late-onset primary lymphedema

CELSR1-related late-onset primary lymphedema is a rare genetic condition that causes swelling (lymphedema) in one or both legs.

Severity varies. Almost all females with the gene change have it, usually starting in childhood or the teen years. Not all males with the gene change develop it, and when they do it starts later. Special scans (lymphoscintigraphy) in more severe cases show lymph vessel changes.

Signs & symptoms

GARD doesn't list a separate symptom list for this condition. Its summary describes this feature:

  • Swelling in one or both legs (lymphedema)

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 genetic specialists and skin, hair, and nail specialists.

  3. Consider genetic testing

    Changes in CELSR1 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
Genetic specialists (geneticists); Skin, hair, and nail specialists (dermatologists)
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 Children's Skin Disease 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 CELSR1 genetic testing confirm the diagnosis?
What treatments can help manage leg swelling?
Should other family members be checked?

Quick facts

Symptoms usually starta variety of ages
InheritanceAutosomal Dominant
GenesCELSR1

Changes in the CELSR1 gene cause this condition. It is inherited in an autosomal dominant way, so one changed copy of the gene can cause it.

GeneticSkin

Also known as: cadherin egf lag seven-pass g-type receptor 1-related late-onset primary lymphedema

Patient organizations

Broader rare-disease groups

Source: NIH GARD · CELSR1-related late-onset primary lymphedemaGARD ID 22306 · 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 CELSR1-related late-onset primary lymphedema.

Explore the CELSR1-related late-onset primary lymphedema blog

Explore research for CELSR1-related late-onset primary lymphedema

Explore actively recruiting CELSR1-related late-onset primary lymphedema studies with HealthSpark.

HealthSpark

Find actively recruiting studies for CELSR1-related late-onset primary lymphedema 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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