Lymphangiomatosis: Causes, Symptoms, and Treatment
Medically reviewed by Harsha Moole, MD, Internal Medicine. Last reviewed: October 2, 2026.
What kind of doctor treats Lymphangiomatosis?
A primary care doctor is often the first doctor a patient sees and can order early tests and make referrals. Because lymphangiomatosis is rare and can affect many organs, care usually involves specialists, such as a pulmonologist for the lungs, an orthopedic doctor for bones, or an interventional radiologist.
What it is
Lymphangiomatosis is a rare disease in which abnormal growths form in the lymphatic system, the network of vessels and nodes that carries a clear fluid called lymph through the body. These growths can appear in the skin, bones, and organs such as the lungs, liver, and spleen.
Symptoms
Symptoms depend on which parts of the body are involved. Some people have trouble breathing or a lasting cough when the lungs are affected. Others have swollen limbs or belly pain caused by fluid building up where it should not be. Bone growths can cause aching or broken bones after small injuries. Because these signs can point to many other conditions, diagnosis often takes time.
Causes and who gets it
Doctors believe lymphangiomatosis is caused by errors in the development of the lymphatic system, and in some cases genetic changes may play a role. It is most often found in children and young adults, though it can appear at any age.
How doctors diagnose it
Doctors start with a physical exam and questions about symptoms, then use imaging tests such as X-rays, CT scans, or MRI scans to look for the growths. Because the disease is rare, diagnosis often involves specialists and can take time.
Treatment
There is no cure, so treatment focuses on managing symptoms and slowing the disease. Options may include medicines such as sirolimus, procedures to drain or remove fluid, and surgery in some cases. Doctors monitor the disease over time with regular scans and checkups.
When to see a doctor
See a doctor for ongoing cough, trouble breathing, unexplained swelling, or bone pain that does not go away. Get medical care right away for severe breathing problems, chest pain, or a broken bone after a minor injury.
How a direct primary care or concierge doctor fits in
A direct primary care doctor charges a flat monthly fee instead of billing insurance for visits, while a concierge doctor usually costs more and often works alongside insurance. Either kind can spend longer time with patients who have complex conditions, manage routine care, coordinate testing, and stay closely involved between specialist visits. When the disease affects the lungs, bones, or other organs, they would refer the patient to the right specialist and help keep all the doctors on the same page.
Common questions
Is lymphangiomatosis cancer?
No, the growths are not cancer. They are abnormal collections of lymphatic vessels, but they can still cause serious problems by pressing on or filling organs.
Can children get lymphangiomatosis?
Yes, it is often diagnosed in children and young adults, though it can appear at any age.
Is lymphangiomatosis the same as lymphedema?
No. Lymphedema is swelling caused by poor lymph drainage, usually in a limb. Lymphangiomatosis is a rare disease with growths that can affect many organs.
Will treatment make it go away?
There is no cure, and treatment focuses on controlling symptoms and slowing the disease. Results differ from person to person.
Sources
- MedlinePlus - Lymphatic Diseases
- National Organization for Rare Disorders (NORD) - Diffuse Pulmonary Lymphangiomatosis
Medical Disclaimer
This content is for general educational and informational purposes only and is not medical advice. It is not a substitute for professional medical advice, diagnosis, or treatment, and reading it does not create a doctor-patient relationship. Always seek the advice of your physician or another qualified health provider with any questions about a medical condition, and never disregard or delay seeking professional advice because of something you read here. If you think you may have a medical emergency, call 911 (or your local emergency number) immediately.
