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The contribution of 18F FDG PET-CT for the investigation of fever of unknown origin and inflammation of unknown origin - systematic review and meta-analysis

医学 不明原因发热 正电子发射断层摄影术 荟萃分析 炎症 PET-CT 计算机断层摄影术 核医学 病理 放射科 内科学
作者
Shira Buchrits,Rotem McNeil,Tomer Avni,Danielle Fredman,Dmitri Guz,Anat Gafter‐Gvili
出处
期刊:The American Journal of Medicine [Elsevier BV]
被引量:1
标识
DOI:10.1016/j.amjmed.2024.03.017
摘要

Background Fever of unknown origin and inflammation of unknown origin are highly challenging diagnostic conditions. The current practice for evaluating patients is to conduct a positron emission tomography-computed tomography (PET-CT) either as a first or as a second line modality. We aimed to assess the contributory effect of PET-CT to the diagnosis and compare it with the contributory effect of CT alone. Methods We performed a systematic review and meta-analysis. We included all cohorts that examined the contribution of PET-CT to the investigation of classical fever of unknown origin and inflammation of unknown origin. The primary outcome was the contribution of PET-CT to the final diagnosis. Secondary outcomes were sensitivity and specificity of PET-CT and CT scans, and contribution of a CT scan. We pooled the results of all studies and calculated the pooled contributory effect of PET-CT. Result Thirty-six studies (3,516 patients) were included in the systematic review. The pooled contribution of PET-CT was 75.4%. The compiled sensitivity and specificity values for all studies were 85.9% and 59.5%, respectively. Five studies (405 patients) compared between the PET-CT component and the total body CT component. The pooled contribution of a CT scan was 68%. The summed sensitivity and specificity values of a CT scan for all studies were 63.1% and 84.4%, respectively. Conclusions PET-CT has a contributory effect of 75% for the diagnosis of fever of unknown origin and inflammation of unknown origin. PET-CT had superior sensitivity and inferior specificity versus the CT scan.
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