Tl-201 SPECT in Clarifying False Positive FDG PET Findings Caused by Osteoradionecrosis in a Case of Nasopharyngeal Carcinoma

被引：4

作者：

Wang, Chih-Hsiu ^{[1
]}

Liang, Ji-An ^{[2
]}

Yen, Kuo-Yang ^{[1
]}

Hsieh, Te-Chun ^{[1
]}

Sun, Shung-Shung ^{[1
]}

Wu, Yu-Chin ^{[1
]}

Lin, Yu-Yi ^{[1
]}

Kao, Chia-Hung

机构：

[1] China Med Univ Hosp, Dept Nucl Med, PET Ctr, Taichung 404, Taiwan

[2] China Med Univ Hosp, Dept Radiat Therapy & Oncol, Taichung 404, Taiwan

来源：

CLINICAL NUCLEAR MEDICINE | 2009年 / 34卷 / 08期

关键词：

Tl-201; SPECT; false positive FDG PET; osteoradionecrosis; nasopharyngeal carcinoma; POSITRON-EMISSION-TOMOGRAPHY; COMPUTED-TOMOGRAPHY; RADIOTHERAPY; RECURRENT; PATIENT;

D O I：

10.1097/RLU.0b013e3181abb77b

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：

FDG PET is effective for detecting recurrent nasopharyngeal carcinoma (NPC) after radiotherapy. However, false-positive FDG PET scans caused by osteoradionecrosis (ORN) have been reported. This 42-year-old male NPC patient was referred for FDG PET due to inconclusive CT/nasopharyngoscopic findings 8 years after radiotherapy. Intense FDG uptake in the nasopharyngeal region was seen. To rule out the possibility of a false-positive FDG PET scan, Tl-201 SPECT was subsequently performed, which was negative in the corresponding area. Final histopathological examination confirmed ORN. This case demonstrates that Tl-201 SPECT may help differentiate false positive FDG PET findings caused by ORN from recurrent tumor in NPC patients after radiotherapy.

引用

页码：515 / 517

页数：3

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