例1女,21岁。因左颈部无痛性肿物渐增大13ａ,于1997年7月收入院。患者自诉13ａ前,偶发现左颈部有蚕豆大小包块,无不适,渐增大,至9岁前停止增大,停止时约鸽蛋大小。1995年曾在当地医院作穿刺,抽出血液,血肿吸收,无再作处理。本次入院后专科检查:左颈侧颈动脉分叉高度见一肿物,3 Example 1 Female, 21 years old. As the painless mass in the left neck gradually increased 13a, he was admitted to the hospital in July 1997. Before the patient’s private prosecution (13a), he found that the left neck was covered with broad bean masses, no discomfort, and gradually increased. He stopped growing until the age of 9 and stopped about the size of the pigeon eggs. In 1995, he had a puncture at a local hospital. Blood was drawn and hematoma was absorbed. No further treatment was performed. Special examination after admission: left carotid bifurcation height see a tumor, 3