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我科应用液氮冷冻治疗各种体表肿瘤33例,其中皮肤癌4例,其余为黑痣、皮样腺瘤、寻常疣及鸡眼等。最大的海绵状血管瘤有1.5×2×0.6cm,皮肤癌最大直径为7.6cm,除2例皮肤癌因故中断治疗,其余全部治愈,随访1年未见复发。本组以液氮为致冷剂,用倾注法及接触法。倾注法用于皮肤癌及较大的体表肿瘤,每次作3个冷冻周期,每个周期约5～10
Our department applied liquid nitrogen cryotherapy to treat 33 cases of various body surface tumors, including 4 cases of skin cancer, and the remaining were black mole, skin adenoma, common warts and corns. The largest cavernous hemangioma was 1.5 x 2 x 0.6 cm, and the largest diameter of skin cancer was 7.6 cm. Except for 2 cases of skin cancer, the treatment was interrupted due to some reasons, and all the others were cured. No recurrence was found after 1 year of follow-up. This group uses liquid nitrogen as a refrigerant, using pouring method and contact method. Pour-in method for skin cancer and larger surface tumors with 3 cycles per cycle, approximately 5 to 10 cycles per cycle