报告鼻腔、筛窦恶性黑色素瘤5例,均经手术切除并辅以C0_2激光气化治疗。术后随访:1例为术后7个月尚未见复发,余4例分别存活1.3至5年不等。文中对本病误诊的原因,如肿瘤的色素问题和易于混淆的血管瘤、鼻息肉、癌肿等分别予以讨论,并对化疗和放疗以及预防性淋巴结清扫术等问题作了探讨。 Report nasal, ethmoid sinus malignant melanoma in 5 cases, were surgically removed and supplemented with C0_2 laser gasification treatment. Postoperative follow-up: 1 case had no recurrence 7 months after operation, and the other 4 cases survived 1.3 to 5 years respectively. The article misdiagnosis of the disease causes, such as the tumor pigment and easy to confuse the hemangioma, nasal polyps, cancer were discussed, and chemotherapy and radiotherapy and preventive lymph node dissection and other issues were discussed.