[1]周锦,姜东朗,谢芳,等.肺隐球菌病18F-FDG PET/CT显像特征分析[J].国际放射医学核医学杂志,2018,(6):481-485.[doi:10.3760/cma.j.issn.1673-4114.2018.06.001]
　Zhou Jin,Jiang Donglang,Xie Fang,et al.The characteristics of 18F-FDG PET/CT in pulmonary cryptococcosis[J].International Journal of Radiation Medicine and Nuclear Medicine,2018,(6):481-485.[doi:10.3760/cma.j.issn.1673-4114.2018.06.001]
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肺隐球菌病18F-FDG PET/CT显像特征分析(/HTML)
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《国际放射医学核医学杂志》[ISSN:1673-4114/CN:12-1381/R]

卷:
期数:
2018年第6期
页码:
481-485
栏目:
临床研究
出版日期:
2018-12-31

文章信息/Info

Title:
The characteristics of 18F-FDG PET/CT in pulmonary cryptococcosis
作者:
周锦;  姜东朗;  谢芳;  朱利平;  管一晖;  华逢春
1. 223600, 南京中医药大学沭阳附属医院影像科;
2. 200235 上海, 复旦大学附属华山医院PET中心;
3. 200040 上海, 复旦大学附属华山医院感染科
Author(s):
Zhou Jin;  Jiang Donglang;  Xie Fang;  Zhu Liping;  Guan Yihui;  Hua Fengchun
1. Department of Radiology, Shuyang Affiliated Hospital of Nanjing University of Chinese Medicine, Shuyang 223600, China;
2. PET Center, Huashan Hospital, Fudan University, Shanghai 200235, China;
3. Department of Infectious Disease, Huashan Hospital, Fudan University, Shanghai 200040, China
关键词:
肺隐球菌病; 正电子发射断层显像术; 体层摄影术; X线计算机; 氟脱氧葡萄糖F18
Keywords:
Pulmonary cryptococcosis; Positron-emission tomography; Tomography;  X-ray computed; Fluorodeoxyglucose F18
DOI:
10.3760/cma.j.issn.1673-4114.2018.06.001
摘要:
目的 探讨肺隐球菌病（PC）的18F-FDG PET/CT影像学表现及PET代谢特征。方法 回顾性分析2011年3月至2015年10月行18F-FDG PET/CT检查，经病原学或病理检查确诊为PC的22例患者的临床资料，分析其CT类型（单发结节型、多发结节型、肺炎型、混合型）及征象、PET代谢特征（低代谢型、高代谢型）。结果 22例PC患者中，单发结节型9例，多发结节型7例，肺炎型1例，混合型5例。发病部位以下肺为主，累及一侧或双侧肺下叶15例（15/22，68.18%），其中仅累及右肺下叶9例（9/22，40.91%）、仅累及左肺下叶2例（2/22，9.09%）。22例PC患者中，有实性结节病灶21例，病灶CT征象以血管集束征（12/21）、毛刺征（10/21）、晕征（8/21）最常见，支气管充气征（6/21）及分叶征（4/21）次之。病变结节18F-FDG PET最大标准化摄取值为1.00～12.67，以高代谢型为主（20/22），6例单发结节误诊为恶性肿瘤。结论 PC以单发或多发结节为主，葡萄糖代谢标准化摄取值差异大，误诊率较高。肺内葡萄糖高代谢的单发结节在诊断为肺癌时需与PC相鉴别。
Abstract:
Objective To investigate the 18F-FDG PET/CT imaging characteristics and PET metabolic characteristics of pulmonary cryptococcosis (PC). Methods A retrospective study was performed in 22 patients with PC (16 male and 6 female; 34-81 years old), confirmed through etiology or pathological examination from March 2011 to October 2015. To analyze the clinical data, CT patterns (single nodule, multiple nodules, pneumonia type, and mixed type), CT signs (vessel convergence sign, spiculation sign, halo sign, air bronchogram, and lobulation), and FDG metabolic patterns(hypermetabolism and hypometabolism) of PC were analyzed. Results PC was characterized by single nodule(9/22), multiple nodules(7/22), pneumonia type (1/22), and mixed type (5/22) for the 22 patients with PC. Most of the nodules were found in the inferior lobe of the lung. There were 15 cases(15/22, 68.18%) involving one or both inferior lobe of the lungs, of which 9 cases(9/22, 40.91%) involving the right inferior lobe, 2 cases(2/22, 9.09%) involving the left inferior lobe. Vessel convergence sign(12/21) was the most common sign, followed by spiculation(10/21), halo sign(8/22), air-bronchogram sign(6/21), and lobulation(4/21) with nodules on CT scan. The maximum standardized uptake value of PC was from 1.00 to 12.67 on 18F-FDG PET/CT scan, and hypermetabolism type (20/22) was the predominant pattern. Six patients with single nodule were misdiagnosed as malignant tumors. Conclusions Most cases of PC were characterized with single and multiple nodules. A relative high rate of misdiagnosis was obtained using 18F-FDG PET/CT scan with varied standardized uptake value. Diagnosis of single nodule with high FDG metabolism in lung cancer should differentiate from PC.

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备注/Memo

备注/Memo:
收稿日期:2018-04-03。
基金项目:上海市青年科技英才扬帆计划（18YF1403200）
通讯作者:华逢春,Email:huafc@hotmail.com
更新日期/Last Update: 2018-12-31