在周围肺结节中患肺癌的风险
Mark M Hammer1, Andetta R Hunsaker1
1Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, USA.
Academic radiology
|June 30, 2024
概括
将具有淋巴结形态和隔膜连接的结节或距离多叶膜2毫米以内的结节归类为良性,并不会显著地错误地分类肺癌. 这一发现提高了小肺结节的诊断准确度.
科学领域:
- 肺部病理学 肺部病理学
- 放射学 放射学是一门学科.
- 在瘤学瘤学.
背景情况:
- 精确分类小肺结节对于肺癌诊断至关重要.
- 位于肺附近或接触到肺的结节会给诊断带来挑战.
- 在结节评估中理解观察者间的协议对于临床实践至关重要.
研究的目的:
- 为了评估肺癌错误分类的风险,对多发膜附近的小肺结节进行了评估.
- 评估放射科医生在分类这些结节时的观察者间的共识.
- 为了确定特定的结节特征是否会影响诊断准确度.
主要方法:
- 分析了来自两个群体的434个肺结节 (45个恶性):国家肺部查试验和医疗保健系统患者.
- 由两名胸部放射科医生进行独立审查,评估结节形态和位置 (多发性,隔膜连接或两者都不是).
- 测量结节到膜的距离,并根据定义的标准进行分类.
主要成果:
- 将淋巴结形态为良性的胸腔结节分类为良性,导致癌症错误分类为0-7%,特异性为33% (κ=0.69).
- 下结节和与隔膜连接的结节显示了7-11%的癌症错误分类和40-52%的特异性 (p<0.0001).
- 淋巴结形态 ≤2毫米的淋巴结结结核从膜有2-7%的癌症错误分类和36-41%的特异性 (κ=0.78).
结论:
- 将淋巴结形态和隔膜连接的结节归类为良性并不会显著增加肺癌错误分类.
- 将肺膜2毫米以内的结节分类为良性也可以避免肺癌的重大错误分类.
- 这些发现支持精细的标准来分类多关联结节,可能提高诊断的准确性.
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