Is 18F-FDG PET/CT useful for the differential diagnosis of solitary pulmonary nodules in patients with idiopathic pulmonary fibrosis?

被引:12
|
作者
Lee, Suk Hyun [1 ]
Sung, Changhwan [2 ]
Lee, Hyo Sang [3 ]
Yoon, Hee-young [4 ]
Kim, Soo-Jong [2 ]
Oh, Jungsu S. [2 ]
Song, Jin Woo [4 ]
Kim, Mi Young [5 ,6 ]
Ryu, Jin-Sook [2 ]
机构
[1] Yonsei Univ, Severance Hosp, Coll Med, Dept Nucl Med, Seoul, South Korea
[2] Univ Ulsan, Coll Med, Asan Med Ctr, Dept Nucl Med, 88 Olymp Ro 43 Gil, Seoul 05505, South Korea
[3] Univ Ulsan, Gangneung Asan Hosp, Coll Med, Dept Nucl Med, Kangnung, South Korea
[4] Univ Ulsan, Coll Med, Asan Med Ctr, Dept Pulm & Crit Care Med, Seoul, South Korea
[5] Univ Ulsan, Coll Med, Asan Med Ctr, Dept Radiol, Seoul, South Korea
[6] Univ Ulsan, Coll Med, Asan Med Ctr, Res Inst Radiol, Seoul, South Korea
关键词
F-18-fluorodeoxyglucose; Positron emission tomography; Lung cancer; Solitary pulmonary nodule; Idiopathic pulmonary fibrosis; POSITRON-EMISSION-TOMOGRAPHY; STANDARDIZED UPTAKE VALUE; LUNG-CANCER; FDG-PET; CT; SURVIVAL; GUIDELINES; STATEMENT; ACCURACY; DISEASE;
D O I
10.1007/s12149-018-1273-9
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
Idiopathic pulmonary fibrosis (IPF) is associated with an increased incidence of lung cancer, but patients with IPF often have poor pulmonary function and are vulnerable to pneumothorax and so using an invasive procedure to diagnose a single nodule detected on chest CT risks a critical adverse outcome. F-18-fluorodeoxyglucose (F-18-FDG) positron emission tomography/computed tomography (PET/CT) is recognized to be useful for differentiating between benign and malignant solitary pulmonary nodules (SPN) in patients without IPF, but its diagnostic accuracy has not been investigated in patients with IPF. In this study, therefore, we investigated whether F-18-FDG PET/CT is useful for the differential diagnosis of SPNs in patients with IPF. From the IPF patient cohort of our institution, we retrospectively reviewed 55 patients (54 men, 1 woman; age 67.8 +/- 7.6 years) with an SPN sized 8-30 mm (mean 18.5 +/- 5.7 mm) who underwent chest CT followed by F-18-FDG PET/CT between April 2004 and March 2016. The F-18-FDG uptake of the SPN was analyzed visually and semiquantitatively, and these determinations were compared with the final diagnosis obtained by pathology (n = 52) or imaging follow-up (n = 3). The final diagnoses showed that 41 (75%) of the SPNs were malignant (21 squamous cell carcinomas, 9 adenocarcinomas, 5 small-cell carcinomas, 4 mixed-type carcinomas, 1 large-cell neuroendocrine carcinoma, and 1 sarcoid carcinoma) and 14 (25%) were benign. The determination of malignant SPNs by visual analysis of the PET/CT images had a sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of 98, 86, 95, and 92%, respectively. The semiquantitative analysis using a maximum standardized uptake value of 2.0 as the cut-off had a sensitivity, specificity, PPV, and NPV of 95, 93, 98, and 87%, respectively. F-18-FDG PET/CT is useful for differentiating benign and malignant SPNs in patients with IPF, as it is for patients without IPF.
引用
收藏
页码:492 / 498
页数:7
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