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Cystic hygroma
Definition:
A cystic hygroma is a thin-walled, sac-like structure filled with lymph. It occurs most commonly in the head and neck area and often appears as a soft bulge under the skin. Alternative Names:
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lymphangioma Causes, incidence, and risk factors:
This condition is a congenital (present before birth) abnormality caused by embryonic lymphatic tissues. Cystic hygromas are abnormal growths arising from these tissues.
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