患者,女,56岁,干部,主诉9年前发现左眼下睑缘一黑痣针头大小,无任何自觉症状,随年龄不断增长,近一年出现痒痛,并影响外观容貌,来我院眼科门诊求治,家中无此类疾患。检查:左下睑缘可见1cm黑色斑条连及下睑结膜,结膜囊内有1cm×1cm×1cm大小黑色肿物,柔软,活检送病理诊断为恶性黑色索细胞瘤,建议CO_2激光手术治疗。介绍了治疗方法,预后及与手术治疗比较的优点,患者经多日慎重考虑,最终选择CO_2激光治疗。 Patient, female, 56 years old, cadre, complained 9 years ago, the left eyelid moles found a mole size, without any symptoms, with age, growing in recent years, itching and appearance affect appearance, to our hospital ophthalmology Clinic for treatment, no such illness at home. Check: the left lower eyelid can be seen 1cm black plaque and conjunctiva conjunctiva, conjunctival sac 1cm × 1cm × 1cm size black tumor, soft, biopsy sent to pathological diagnosis of malignant black cell tumor, the proposed CO_2 laser surgery. Introduced the treatment, prognosis and the advantages compared with the surgical treatment, the patient after many days of careful consideration, the final choice CO_2 laser treatment.