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作者应用Gd-MRI对69例未经治疗的原发性肺癌作了研究。其中鳞癌42例,腺癌16例,小细胞癌9例及大细胞癌2例。肺肿瘤信号增强类型:呈均一增强46例(67%),其中鳞癌26例,腺癌12例,小细胞癌8例。呈斑状增强12例,其中鳞癌7例(58%),腺癌3例,小细胞癌及大细胞癌各1例。呈环状增强11例,其中鳞癌9例(82%),腺癌和大细胞癌各1例。鳞癌42例中26例(62%)、腺癌16例中12例(75%)及小细胞癌9例中8例(89%)呈均一信号增强。鳞癌42例中9例呈环状增强。对15例手术切除标本病理学研究发现,Gd-MRI呈均一增强者12例未发
The authors used Gd-MRI to study 69 untreated primary lung cancers. There were 42 cases of squamous cell carcinoma, 16 cases of adenocarcinoma, 9 cases of small cell carcinoma and 2 cases of large cell carcinoma. Lung tumor signal enhancement type: homogeneous enhancement in 46 cases (67%), including 26 cases of squamous cell carcinoma, 12 cases of adenocarcinoma, and 8 cases of small cell carcinoma. There were 12 cases with patchy enhancement, including 7 cases (58%) of squamous cell carcinoma, 3 cases of adenocarcinoma, and 1 case of small cell carcinoma and large cell carcinoma. Cyclic enhancement occurred in 11 cases, including 9 cases of squamous cell carcinoma (82%), 1 case of adenocarcinoma and 1 case of large cell carcinoma. Twenty-six squamous cell carcinoma cases (62%), adenocarcinoma 16 cases (75%), and small cell carcinoma 9 cases (89%) showed uniform signal enhancement. Nine out of 42 cases of squamous cell carcinoma showed annular enhancement. A pathological study of 15 surgical specimens revealed that 12 patients with uniform enhancement of Gd-MRI were absent