周围型肺癌是一组常见病,其组织学类型包括小细胞肺癌、大细胞肺癌、腺癌、鳞癌、细支气管肺泡癌。影像学征像是其病理学基础的反映,如瘤体的密度、内部结构、边缘形态,与周围血管的关系等等。对其研究较多,也比较成熟,但工作中仍有许多病例鉴别诊断困。该组病例描述的内部结构 Peripheral lung cancer is a group of common diseases, histological types include small cell lung cancer, large cell lung cancer, adenocarcinoma, squamous cell carcinoma, bronchioloalveolar carcinoma. Radiographic features are the reflection of the pathological basis, such as the density of the tumor, the internal structure, the edge morphology, the relationship with the surrounding blood vessels and so on. More of its research, but also more mature, but there are still many cases of differential diagnosis of sleepy. The group described the internal structure of the case