论文部分内容阅读
目的:为了从 HRCT 角度评价胸膜凹陷征的病理基础及其在周围型小肺癌中的诊断价值,提高对完整胸膜凹陷的认识水平。材料和方法:搜集经手术和/或病理证实的周围型小肺癌101例,其中52例为HRCT 前瞻性研究组,简称“前瞻”组149例为回顾性常规 CT 薄扫组,简称“薄扫”组;良性小结节48例(30例为 HRCT 扫描)。比较观察“前瞻”组、“薄扫”组、良性对照组及术后标本胸膜凹陷 HRCT 表现。结果:通过比较分析,经统计发现完整胸膜凹陷在“前瞻”组见30例(57.7%);“薄扫”仅1例(2%);对照组2例(4.2%)。研究发现,HRCT 扫描技术是显示完整胸膜凹陷的关键,良、恶性组之间完整胸膜凹陷的发生率有明显差异。胸膜凹陷的中心位置与肿瘤生长的部位相关。结论:胸膜凹陷的形成除了与肿瘤内的瘢痕收缩等因素有关外,还与肿瘤发生的部位及其所致的节段性肺不张有关,HRCT 像上完整胸膜凹陷征系周围型小肺癌的重要诊断依据之一。
OBJECTIVE: To evaluate the pathological basis of pleural indentation and its diagnostic value in peripheral small lung cancer from the perspective of HRCT, and to improve the level of awareness of complete pleural indentation. Materials and Methods: Surgical and / or pathological findings were collected in 101 cases of peripheral small lung cancer, of which 52 cases were prospective HRCT prospective study group, referred to “prospective ” group of 149 cases for the retrospective conventional CT scan group, referred to “Thin sweep” group; benign nodules in 48 cases (30 cases of HRCT scan). The HRCT findings of pleural indentation were compared between the “prospective” group, the “thin sweep” group, the benign control group and the postoperative specimens. Results: Through comparative analysis, the complete pleural indentation was found in 30 cases (57.7%) in the Foresight group and only 1 case (2%) in the Thin Sweep group and 2 cases (4.2%) in the control group. The study found that HRCT scan technique is the key to show complete pleural indentation, there is a clear difference in the incidence of complete pleural indentation between benign and malignant groups. The center of the pleura is related to the site of tumor growth. Conclusions: The formation of pleural indentation is not only related to the scar shrinkage within the tumor, but also related to the tumor site and the segmental atelectasis caused by it. The HRCT images are similar to those of small lung cancer with complete pleural indentation One of the important diagnostic criteria.