False Positive Accumulation in fluorodeoxyglucose Positron Emission Tomography Scan due to Sarcoid Reaction Following Induction Chemotherapy for Lung Cancer

被引：0

作者：

Maeda, Jun ^{[1
]}

Ohta, Mitsunori ^{[1
]}

Hirabayashi, Hirohisa ^{[1
]}

Matsuda, Hikaru ^{[1
]}

机构：

[1] Osaka Univ, Sch Med, Dept Surg, 2-2 Yamadaoka, Suita, Osaka 56508, Japan

来源：

GENERAL THORACIC AND CARDIOVASCULAR SURGERY | 2005年 / 53卷 / 04期

关键词：

position emission tomography; sarcold reaction raise positive; lnduction chemotherapy lung cancer;

D O I：

暂无

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

We present a case of lung cancer that showed false positive accumulation in an F-18 fluorodeoxyglucose positron emission tomography (FDG-PET) scan following induction chemotherapy for suspected metastasis and progression of malignancy. A (66-year-old man was diagnosed with squamous cell carcinoma in the lung, classified as clinical stage MA (T2N2M0), and underwent induction chemotherapy. An FDG-PET scan prior to chemotherapy demonstrated accumulation only in the tumor, whereas following treatment it revealed a strong accumulation not only in the tumor, but also in the supraclavicular lymph nodes, which indicated lymph node metastasis. The patient underwent a biopsy of the right supraclavicular lymph node and mediastinoscopy, after which all dissected lymph nodes showed sarcoid reactions and no tumor cells were found pathologically. We concluded that when evaluating the effect of induction chemotherapy for malignancy, a sarcoid reaction might lead to the false positive accumulation of FDG.

引用

页码：196 / 198

页数：3

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