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患者男,49岁。胸部 X 线检查发现右肺结节影;CT 检查示右肺中叶内侧段一卵圆形软组织结节,右肺门及纵隔可见多发增大淋巴结,疑为肺癌并淋巴结转移(图1a),为明确病变性质行全身~(18)F-脱氧葡萄糖(FDG)PET/CT 检查。PET/CT 图像示上述结节呈不均匀软组织密度,边界清楚但不光滑,边缘呈浅分叶状并可见棘状突起,大小约2.5cm×2.0cm×2.0cm,放射性明显不均匀增高,标准摄取值(SUV)约8.1。右肺中叶内侧段支气管于结节下缘通过,管腔通畅;结节周围肺组织密度正常。右肺门及纵隔多
Male patient, 49 years old. Chest X-ray examination found right lung nodules; CT examination revealed a medial right middle lobe of an oval soft tissue nodules, right hilar and mediastinal lymph nodes can be seen multiple, suspected lung cancer and lymph node metastasis (Figure 1a), to clear The lesion nature of the body line ~ (18) F-glucose (FDG) PET / CT examination. PET / CT images showed that the above nodules showed an uneven soft tissue density, the border was clear but not smooth, the edge was shallow lobulate and visible spines, the size of about 2.5cm × 2.0cm × 2.0cm, significantly increased radioactivity, the standard The value of intake (SUV) is about 8.1. The medial segment of the right middle lung bronchus passes through the lower edge of the nodule and the lumen is clear; the density of the lung tissue around the nodule is normal. Right hilar and mediastinum and more