RESUMEN
A case of lymphangioma in a 6-year-old Thai girl was reported. She had verrucous plaque and cystic appearing vesicles on her right lateral chest. A reddish patch on this area had been noticed since was born. At the age of 8 months, vesicles occurred on top of the patch, which enlarged without any further symptoms. She was referred to Siriraj Hospital because of fever following infection of ruptured vesicles. On admission, the verrucous plaque was found from the right axilla to the right subcostal region with vesicular lesions 2-15 millimeters in diameter. After the infection subsided and the diagnosis of lymphangioma cutis was verified by histo pathological section, radiotherapy was started. After 4 consecutive days of 200 rads deep radiation, the lesion remained the same but her father refused further treatment and hospitalization.