兒童胸膜肺母細胞瘤的影像學(xué)分析
發(fā)布時間:2018-02-20 20:31
本文關(guān)鍵詞: 胸膜肺母細胞瘤 兒童 X線計算機 體層攝影術(shù) 螺旋計算機 磁共振成像 出處:《中國醫(yī)學(xué)計算機成像雜志》2017年02期 論文類型:期刊論文
【摘要】:目的:探探討胸膜肺母細胞瘤的影像學(xué)特征,提高對本病的認識。方法:回顧性分析21例(上海市兒童醫(yī)院13例,上海市胸科醫(yī)院8例)于2014年6月-2016年4月間經(jīng)手術(shù)病理證實的胸膜肺母細胞瘤的CT和MRI的影像學(xué)表現(xiàn)。結(jié)果:21例中囊實性15例,實性6例,未見單純囊性。CT表現(xiàn):胸膜下肺外帶囊實性或?qū)嵭跃薮筌浗M織腫塊,胸膜下脂肪線消失;病灶廣泛累及胸膜,可侵犯鄰近組織,出現(xiàn)胸腔積液、胸壁軟組織包塊;增強掃描腫瘤實性成分呈不均勻強化,囊性成分無強化,部分有延遲強化。MRI表現(xiàn):T1WI呈等低信號,T2-FS呈混雜等高信號,增強呈不均強化。MRI對腫塊范圍顯示更具優(yōu)勢。結(jié)論:影像學(xué)表現(xiàn)對胸膜肺母細胞瘤的診斷具有較高的提示意義,尤其在CT表現(xiàn)為胸膜下肺外帶的巨大軟組織腫塊及胸壁廣泛侵犯、MRI表現(xiàn)為更大范圍的混雜信號軟組織腫塊時,是診斷胸膜肺母細胞瘤重要的影像學(xué)依據(jù),確診需靠病理及免疫組化查證。
[Abstract]:Objective: to explore the imaging features of pleural pulmonary blastoma and to improve the understanding of the disease. Methods: 21 cases (13 cases of Shanghai Children's Hospital) were analyzed retrospectively. From June 2014 to April 2016, the CT and MRI findings of pleural pulmonary blastoma confirmed by surgery and pathology were analyzed. Results among 21 cases, 15 cases were cystic solid, 6 cases solid. There was no simple cystic. Ct findings: massive parenchymal or solid parenchyma mass, subpleural fat line disappeared, pleural effusion, pleural soft tissue mass, pleural effusion and mass of soft tissue in chest wall. Contrast enhanced scan showed heterogeneous enhancement of solid components, no enhancement of cystic components, and partial delayed enhancement. MRI showed iso-low signal intensity on T 1WI and mixed high signal intensity on T2-FS. Conclusion: the imaging findings are of great significance in the diagnosis of pleural pulmonary blastoma. Especially in the case of large soft tissue masses with subpleural extrapleural area and extensive invasion of chest wall on MRI, it is an important imaging basis for the diagnosis of pleuroblastoma. The diagnosis depends on pathological and immunohistochemical examination.
【作者單位】: 上海交通大學(xué)附屬胸科醫(yī)院放射科;上海交通大學(xué)附屬兒童醫(yī)院放射科;
【基金】:國家自然科學(xué)基金(No.81301218,No.81571629)~~
【分類號】:R445.2;R730.44;R734.3
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