False-positive axillary lymph node on FDG-PET/CT scan resulting from immunization

被引:33
|
作者
Williams, Gethin
Joyce, Robin M.
Parker, J. Anthony
机构
[1] Beth Israel Deaconess Med Ctr, Dept Radiol, Div Nucl Med, Boston, MA 02215 USA
[2] Beth Israel Deaconess Med Ctr, Div Hematol & Oncol, Boston, MA 02215 USA
关键词
FDG; PET; CT; false-positive; immunization;
D O I
10.1097/01.rlu.0000242693.69039.70
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
An initial CT of a 59-year-old man with increasing back pain and weight loss showed lymphadenopathy in multiple nodal beds. A biopsy showed diffuse, large B-cell lymphoma (DLBCL). After initial chemotherapy, residual disease prompted an autologous stem cell transplant. After a follow-up FDG-PET/CT scan showed no FDG-avid disease, a subsequent study showed FDG uptake in a nonenlarged left axillary lymph node. Questioning elicited a recent immunization history. A follow-up PET/CT scan showed no uptake in this lymph node and no disease recurrence. Without this history, an unnecessary biopsy or treatment may have ensued. Methods to avoid such occurrences are discussed. © 2006 Lippincott Williams & Wilkins, Inc.
引用
收藏
页码:731 / 732
页数:2
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