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Ancestor membership does not transfer phenotype values between groups.","importantHtml":""},"sections":[{"bodyHtml":"<p>The cause of Meige disease is unknown. The condition is thought to be genetic because it tends to run in families, and other forms of primary lymphedema have been found to have a genetic cause. Researchers have studied many genes associated with the lymphatic system; however, no genetic change has been definitively found to cause the signs and symptoms of Meige disease.</p><p class=\"section-source\"><a href=\"https://medlineplus.gov/genetics/condition/meige-disease/#causes\">MedlinePlus Genetics: Causes</a></p>","key":"forms","title":"What causes Meige disease?"},{"bodyHtml":"<p>Meige disease is classified as a primary lymphedema, which means it is a form of lymphedema that is not caused by other health conditions. In Meige disease, the lymphatic system abnormalities are present from birth (congenital), although the swelling is not usually apparent until puberty. The swelling often begins in the feet and ankles and progresses up the legs to the knees. Some affected individuals develop non-contagious skin infections called cellulitis or erysipelas in the legs, which can further damage the vessels that carry lymphatic fluid.</p><p class=\"section-source\">Source: <a href=\"https://medlineplus.gov/genetics/condition/meige-disease\">MedlinePlus Genetics</a></p>","key":"overview","title":"Condition overview"}],"sharedSources":[],"slug":"meige-disease","sourceDocuments":[{"name":"Meige disease","reviewed":"2015-07","sections":{"causes":{"fetchedAt":"2026-10-20T20:23:14.415979+00:00","label":"Causes","pageSha256":"8ae0d22d0abcbfb166e6c95641ab35e0d55c17119ac38afd52c14a3b18217b46","sourceUrl":"https://medlineplus.gov/genetics/condition/meige-disease/#causes","status":"available"}},"source_release":"2026-10-01","url":"https://medlineplus.gov/genetics/condition/meige-disease"}],"sourceNote":"MedlinePlus descriptions and Causes; original HPO annotations.","takeawayHtml":"Cause explanations are from MedlinePlus Genetics. Feature values below retain their original sources and patient groups.","title":"Meige disease"},"schemaVersion":1}