患者男,54岁。17年前右侧颈部发现包块,无明显疼痛,肿块逐渐增大,颈部不能活动,于2005-05来我院治疗。查体:右侧颈部见大小约为20cm×30cm×30cm类圆形巨大包块,基底部较宽,皮肤张力较高,略有波动感(图1)。肿块下方见一小破口,表面温度正常,甲状腺肿大(Ⅲ°)压痛,腮腺导管开口 Male patient, 54 years old. 17 years ago found the right side of the neck mass, no significant pain, mass gradually increased, the neck can not move in 2005-05 to our hospital for treatment. Physical examination: see the right side of the neck to see the size of about 20cm × 30cm × 30cm round huge mass, wide basement, high skin tension, a slight sense of volatility (Figure 1). See below the tumor a small incision, the surface temperature is normal, goiter (Ⅲ °) tenderness, parotid duct openings