窗口技術(shù)對(duì)肺腺癌磨玻璃影浸潤(rùn)性的診斷價(jià)值
本文選題:肺腫瘤 + 腺癌。 參考:《中國(guó)醫(yī)學(xué)影像學(xué)雜志》2015年06期
【摘要】:目的探討窗寬調(diào)整對(duì)表現(xiàn)為磨玻璃影的肺腺癌浸潤(rùn)性的診斷作用,為正確診斷不同類(lèi)型的肺腺癌提供指導(dǎo)。資料與方法回顧性分析肺窗表現(xiàn)為磨玻璃影且縱隔窗病灶不可見(jiàn)的浸潤(rùn)前病變102例和浸潤(rùn)性病變107例肺腺癌患者的術(shù)前CT資料,102例浸潤(rùn)前病變中,不典型腺瘤樣增生25例,原位腺癌77例;107例浸潤(rùn)性病變中,微浸潤(rùn)腺癌78例,浸潤(rùn)性腺癌29例。固定縱隔窗窗位(40 HU),調(diào)節(jié)窗寬值至病灶不可見(jiàn),比較兩組不同病灶消失時(shí)的窗寬值,然后通過(guò)ROC曲線(xiàn)確定兩組病灶消失的窗寬值的最佳截?cái)帱c(diǎn)。結(jié)果浸潤(rùn)前病變與浸潤(rùn)性病變病灶消失的窗寬值不同(Z=-6.203,P0.05),窗寬值對(duì)于肺腺癌浸潤(rùn)性的診斷價(jià)值較好(ROC曲線(xiàn)下面積0.748,P0.05),1303 HU為浸潤(rùn)前病變和浸潤(rùn)性病變病灶消失的最佳窗寬截?cái)帱c(diǎn)(敏感度為56.9%,特異度為86.0%)。結(jié)論窗口技術(shù)對(duì)于磨玻璃性肺腺癌浸潤(rùn)性的診斷有一定的指導(dǎo)意義,當(dāng)窗寬1303 HU時(shí),病灶消失為浸潤(rùn)前病變的可能性大;當(dāng)窗寬1303 HU時(shí),病灶消失為浸潤(rùn)性病變的可能性大。
[Abstract]:Objective to investigate the role of window width adjustment in the diagnosis of invasive lung adenocarcinoma with glass grinding, and to provide guidance for the correct diagnosis of different types of lung adenocarcinoma. Materials and methods the preoperative CT findings of 102 cases of preinvasive lesions and 107 cases of invasive lesions of lung adenocarcinoma were retrospectively analyzed, including 25 cases of atypical adenomatous hyperplasia. Among the 77 cases of in situ adenocarcinoma, 78 cases were microinvasive adenocarcinoma and 29 cases were invasive adenocarcinoma. The window width of the mediastinal window was fixed at 40 HUU, and the window width was adjusted to be invisible. The window width of the two groups was compared when the lesions disappeared, and the best truncation point of the window width of the two groups was determined by the ROC curve. Results the window width of preinvasive lesions was different from that of infiltrative lesions. The value of window width in the diagnosis of invasive lung adenocarcinoma was better. The area under ROC curve was 0.748 and P0.05HU was the best window for preinvasive lesions and the disappearance of invasive lesions. Wide truncation (sensitivity 56.9, specificity 86.0). Conclusion window technique has a certain guiding significance in the diagnosis of invasive lesions in ground-glass adenocarcinoma of the lung. When the window width is 1303 Hu, the lesion is more likely to disappear into preinvasive lesions, and when the window width is 1303 Hu, it is more likely to disappear into invasive lesions.
【作者單位】: 同濟(jì)大學(xué)附屬上海市肺科醫(yī)院影像科;
【分類(lèi)號(hào)】:R734.2;R730.44
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