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原发性肺软骨肉瘤罕见,1862年Wilks首次报道,文献上仅报道18例。作者报道1例在CT和MRI上表现类似支气管囊肿的原发性肺软骨肉瘤。女性,25岁。胸片示左肺上叶—5.5cm×7.5cm,边缘光滑的肿块;CT扫描肿块的CT值接近水,增强扫描无强化,MRI检查,T_1WI肿块和胸壁肌肉呈等信号,T_2WI肿块显示为非常高的信号强度,类似脑脊液信号强度。2年半后胸片检查,示肿块明显增大,经手术及病理证实为肺软骨肉瘤。
Primary pulmonary chondrosarcomas are rare and Wilks reported for the first time in 1862. Only 18 cases were reported in the literature. The authors report a case of primary pulmonary chondrosarcoma that resembled a bronchial cyst on CT and MRI. Female, 25 years old. The chest radiograph shows the upper lobe of the left lung—a mass with a smooth edge of 5.5 cm×7.5 cm; the CT of the CT scan mass is close to that of water; the enhancement scan has no enhancement; on the MRI, the T_1 WI mass and the chest wall muscle show equal signals; the T_2 WI mass shows very High signal intensity, similar to the cerebrospinal fluid signal intensity. After 2 and a half years of examination on the chest radiograph, the mass was significantly enlarged, and it was confirmed by surgery and pathology for pulmonary chondrosarcoma.