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Riyer 把无症状肺癌病人的 X 线表现归纳为二类——肿瘤本身阴影的 X 线表现和由于侵犯支气管引起的继发性 X 线表现。在有发生肺癌危险的病人中应分别观察以下10种特殊征象:1.肺部阴影,具有均匀密度及清楚边缘,密度不均及边缘模糊,或呈线状阴影。2.实质肿块出现空洞,有时有液气平面。3.节段的、边缘清晰或不清晰的密影。4.结节状、有纹理、类似炎症病变的局部浸润。5.类似肺炎的肺段实变。6.肺尖部的类三角形病变,扩展到肺
Riyer summarized the X-ray findings of asymptomatic lung cancer patients into two categories - the X-ray findings of the tumor itself and the secondary X-ray manifestations due to bronchus involvement. The following 10 specific signs should be observed in patients at risk for developing lung cancer: 1. Lung shadows with uniform density and clear edges, uneven density, blurred edges, or linear shadows. 2. The real mass appears hollow, sometimes with liquid-gas plane. 3. Segment, edge clear or unclear dense shadow. 4. Nodular, textured, similar to the local infiltration of inflammatory lesions. Pulmonary consolidation similar to pneumonia. 6. Apex-like triangle-like lesions that extend to the lungs