例1,女,出生1天因发现颈部肿块而入院。病儿出生后一般情况好,无窒息史。颈前偏右有一3cm×4cm肿块,位置表浅,质地少韧,有结节感,无搏动感,不能被压缩,易被推动,与深部组织无粘连。轻触压不影响病儿正常呼吸。CT报告示皮下组织内囊实性占位病变。血小板检查在正常范围内。出生后4天行手术治疗。术中见肿块呈灰白色, Example 1, female, was admitted to the hospital one day after birth because of a neck mass. The sick child is generally in good condition after birth and has no history of suffocation. There is a 3cm x 4cm mass on the right side of the neck. The position is superficial, the texture is less tough, there is a nodule, no motion, can not be compressed, is easily promoted, and has no adhesion with deep tissues. Light pressure does not affect the normal breathing of sick children. The CT report showed cystic lesions in the subcutaneous tissue. Platelet examination was within normal limits. Surgical treatment was performed 4 days after birth. During the operation, we saw that the lump was grayish.