For instance, when using flat-bottomed cutter to process curved surface, negative margin cannot be offered. 如在使用平底刀做曲面加工时,不能给负余量(NM)。
The recurrence rate and survival curve of the positive and negative margin group were compared; 比较切缘阴性组与阳性组的复发率、生存曲线;
Conclusion : Breast conservation therapy suits for each age and histology of early stage breast cancer. To confirm the negative margin, extend the excision extension have no help to improve the curative effect but to decrease esthetics effect. 结论:保乳治疗适合不同年龄、不同组织学类型的早期乳腺癌,在保证切缘阴性的前提下,扩大切除范围不提高疗效反而会影响美容效果。
The medium follow-up time was 16 months. Among the 93 cases ( 2 with positive margin, 91 with negative margin ) who received conization only, 1 case with clear margin recurred. 中位随诊16个月,仅行锥切术的93例患者(切缘阳性者2例、切缘阴性者91例),1例切缘阴性者复发(占1.1%)。
Introduction Surgical treatment has been the mainstay for extremity and trunk desmoid tumors with a negative surgical margin. 前言四肢及躯干韧带样瘤手术范围主要依据肿瘤切缘阴性。