Potential false-positive FDG PET imaging caused by subcutaneous radiotracer infiltration

被引：25

作者：

Chiang, SB ^{[1
]}

Rebenstock, A ^{[1
]}

Guan, L ^{[1
]}

Burns, J ^{[1
]}

Alavi, A ^{[1
]}

Zhuang, HM ^{[1
]}

机构：

[1] Hosp Univ Penn, Div Nucl Med, Dept Radiol, Philadelphia, PA 19104 USA

来源：

CLINICAL NUCLEAR MEDICINE | 2003年 / 28卷 / 09期

关键词：

FDG PET; tracer extravasation; lymphoma; false positive;

D O I：

10.1097/01.rlu.0000082677.96653.22

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：

Whole-body fluorine-18 fluorodeoxyglucose (FDG) positron emission tomography (PET) scanning has been useful in the management of a variety of malignancies with high accuracy. However, numerous nonmalignant lesions can also result in increased FDG accumulation and consequently may cause potential false-positive interpretation if the causes are not recognized. A single focus of FDG accumulation in the axilla can often easily be attributed to tracer infiltration when the injection was on the same side. However, multiple foci of FDG uptake can be similar to malignant lesions. A case is presented in which the follow-up study clarified the nature of multifocal increased FDG uptake in the axilla.

引用

页码：786 / 788

页数：3

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