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Living with Lung lymphangioleiomyomatosis

A rare cystic lung disease, mostly in women in their mid-forties, in which unusual cells form cysts in the lungs.

Understanding Lung lymphangioleiomyomatosis

Lymphangioleiomyomatosis (LAM) is a rare cystic lung disease that mostly affects women in their mid-forties.

Unusual cells grow out of control in the lungs, lymph nodes and vessels, and kidneys. They form cysts that slowly block airways and replace normal lung tissue. Some people also develop kidney growths called angiomyolipomas. There is a sporadic form with unknown cause and a form linked to tuberous sclerosis complex.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Shortness of breath
  • Chest pain
  • Collapsed lung (pneumothorax)
  • Fluid around the lungs (chylothorax)
  • Blood in the urine
  • Belly pain

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 lung and breathing specialists.

  3. Ask which tests can help

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

  4. Connect with expert centers

    The LAM Foundation may keep lists of experts for this condition.

Care & treatment

Care team
Genetic specialists (geneticists); Lung and breathing specialists (pulmonologists)
Expert care
Expert lists: The LAM Foundation
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 The LAM Foundation and other patient organizations
  • 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
Which form of LAM do I have, sporadic or linked to tuberous sclerosis complex?
What tests, such as a CT scan or VEGF-D blood test, will track my condition?
Which lung specialists have experience with LAM?

Quick facts

Symptoms usually startAdult

There are two forms: a sporadic form that occurs for unknown reasons, and a form that occurs in people with an inherited disease called tuberous sclerosis complex.

GeneticRespiratory

Also known as: lam; lung lymphangiomyomatosis; pulmonary lymphangioleiomyomatosis

Patient organizations

Source: NIH GARD · Lung lymphangioleiomyomatosisGARD ID 3319 · 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 Lung lymphangioleiomyomatosis.

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