1　病历简介男 ,月龄 18个月。生后 2个月发现右侧面部和右耳廓较对侧肥大 ,且日渐明显。目前右半身较左半身肥胖 ,无抽搐和智力减退。查体 :神清 ,精神状态好 ,行走平稳 ,全身皮肤未见皮疹、无色素沉着和脱失 ,头发分布均匀 ,全身浅表淋巴结未触及。右侧耳廓、面颊、眼睑、上 1 medical records male, age 18 months. 2 months after birth found that the right side of the face and right ear than the contralateral hypertrophy, and increasingly obvious. The right half of the body is more obese than the left half, no convulsions and mental retardation. Physical examination: God clear, good mental state, walking smoothly, no skin rash, no pigmentation and loss, uniform hair distribution, systemic superficial lymph nodes not touched. Right auricle, cheeks, eyelids, on