Recurrent laryngeal nerve palsy in patients with lung cancer: Detection with PET-CT image fusion - Report of six cases

被引:63
作者
Kamel, EM [1 ]
Goerres, GW [1 ]
Burger, C [1 ]
von Schulthess, GK [1 ]
Steinert, HC [1 ]
机构
[1] Univ Zurich Hosp, Dept Med Radiol, Div Nucl Med, CH-8091 Zurich, Switzerland
关键词
computed tomography (CT); data fusion; image fusion; larynx; abnormalities; lung neoplasms; positron emission tomography (PET);
D O I
10.1148/radiol.2241011254
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
Positron emission tomography (PET) with fluorodeoxyglucose (FDG) was performed for preoperative staging of lung cancer. In six of 184 patients, there was an intense FDG accumulation in the lower anterior neck. Fusion of PET and computed tomographic images revealed that the focal FDG uptake was localized in the internal laryngeal muscles. This finding was a result of compensatory laryngeal muscle activation caused by contralateral recurrent laryngeal nerve palsy due to direct nerve invasion by lung cancer of the left mediastinum or lung apices. The knowledge of this pitfall is important to avoid false-positive PET results. (C) RSNA, 2002.
引用
收藏
页码:153 / 156
页数:4
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