肺结节性病灶的PET/CT显像

PET/CT Images of Pulmonary Nodulous Lesions

目的:探讨PET/CT显像在肺结节性病灶的诊断与鉴别诊断中的临床应用价值。方法:47例有肺结节性病灶的患者中,男性31例,女性16例,年龄31岁～86岁。应用^(18)F-FDG行全身或局部PET/CT扫描,依据PET图像、CT图像和PET/CT融合图像及标准化摄取值(SUV)进行综合评价。结果:47例肺结节性病灶中,^(18)F-FDG放射性摄取值(SUV)≥2.5的32例,<2.5的15例。PET/CT显像诊断肺癌27例,可疑肺癌8例,良性病变12例。手术及穿刺活检后病理诊断:肺癌31例,肺结核9例,炎性假瘤6例,慢性肉芽肿1例。结论:PET/CT显像在肺结节性病灶的诊断与鉴别诊断中有较高的应用价值。

Objective： To explore the clinical application value of PET/CT images in the diagnosis and differential diagnosis of pulmonary nodulous lesions. Methods： 47 cases with pulmonary nodulous lesions, 31 males and 16 females, aged from 31 to 86 years old, received whole-body or local PET/CT scanning with the application of ^18F-FDG. The data of PET images, CT images, the PET/ CT fusion images and SUV were analyzed. Results ： Among the 47 cases, 32 cases showed SUV ≥2.5, while 15 cases showed SUV 〈 2.5. PET/CT images suggested 27 cases of pulmonary carcinoma, 8 cases suspicious pulmonary carcinoma and 12 cases benign lesions. While the pathological study after operation or biopsy showed 31 cases of pulmonary carcinoma, 9 cases tuberculosis, 6 eases inflammatory pseudotumor and 1 case chronic granuloma. Conclusion： PET/CT image has a higher applicable value in the diagnosis and differential diagnosis of pulmonary nodulous lesions.