cystic hygroma…

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lymph tissue, in the head, neck, lymphangioma, a cystic hygroma, thin-walled, sac-like structure filled, lymph, occurs most commonly, in the head, neck area, appears, a soft bulge under the skin, congenital, birth, abnormality, embryonic lymphatic tissues, cystic hygromas, abnormal growths arising from these tissues, a common symptom, neck mass noted at birth, discovered later in an infant after an upper respiratory tract infection, chest x-ray, ultrasound, ct scan, treatment involves complete removal, the abnormal tissue whenever possible, cystic hygromas, invade other neck structures, making this impossible, in these cases, treatments have been, limited success, injection of sclerosing agents, steroids, chemotherapy agents, radiation therapy, outlook is good, surgery, totally remove the abnormal tissue, in cases where complete removal is not possible, involvement of neighboring nerves, blood vessels, recurrence is common, bleeding, infection, recurrence, the cystic hygroma, damage to structures, in the neck, surgery, call physician regarding any neck mass found, child, adult.