肿瘤射频消融：电极的类型和消融灶的特点

Radiofrequency ablation of tumors:the relationship between the electrode type and the feature of ablated zone

在早期,由于受射频电极周围被消融组织炭化和气化的影响,射频消融(RFA)范围小于1.8 cm,难以满足临床对实体性肿瘤RFA治疗的要求。随着RFA设备和电极的不断改进,消融范围不断扩大,更好地满足了临床上对肿瘤RFA治疗的需要,为不能或不愿外科手术的恶性肿瘤患者提供了新的治疗手段。本文就射频电极的类型及消融灶的特点做一综述。

Initially,due to carbonization and gasification,the largest diameter of radiofrequency ablation（RFA） was smaller than 1.8cm.Thus,RFA could not meet the clinical requirements for the ablation treatment of solid tumors.With the continuous improvement of equipments and radiofrequency electrodes,the ablated size with RFA has become larger and RFA has been widely used in treating solid tumors.RFA can effectively provide minimally-invasive treatment for tumors when patients are unsuitable or unwilling to receive surgery.In this paper,the authors make a comprehensive review of the types of radiofrequency electrodes and the characteristics of RFA zones.