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chronic swelling of a part due to accumulation of interstitial fluid (edema) secondary to obstruction of lymphatic vessels or lymph nodes.
congenital lymphedema Milroy disease.
primary lymphedema lymphedema that appears spontaneously without known cause. See table.
permanent pitting edema usually confined to the legs; autosomal dominant inheritance; type I, congenital [MIM*153100], caused by mutation in the FMS-like tyrosine kinase 4 gene (FLT4) on 5q.
Chronic pitting edema of the lower extremities. Synonym: Milroy disease
See also: lymphedema