患者女性,6岁。父母代诉,半年前发现右侧耳垂下方长有绿豆大小,质硬,无自觉症状的结节,近半年逐渐长大至葡萄大小,质软仍无自觉症状。检查:右侧耳垂下有一半球形2.3×3cm大小的肿物,正常肤色,境界清楚,质软,有囊性感。无蜡样光泽,无明显脐凹。穿刺后抽出乳白色奶酪样物,无臭味。于局麻下将肿块切除,内容物 Patient female, 6 years old. Parents complained that six months ago found that the right side of the lower lobe has long green bean size, hard, no symptoms of nodules, gradually grew to nearly six months to the size of grapes, soft and still no symptoms. Check: the right ear lobes have a hemispherical 2.3 × 3cm size of the tumor, normal skin color, clear realm, soft, cystic sexy. No wax-like luster, no obvious umbilical concave. After the puncture out of milky white cheese-like, no odor. Under local anesthesia, the tumor was removed, the contents