Melanoma Metastases to Palatine Tonsils Obscured by Physiological FDG Uptake on PET/CT

被引：2
|
作者：
Al-Ibraheem, Akram [1 ]
Souvatzoglou, Michael [1 ]
Buck, Andreas [1 ]
Schwaiger, Markus [1 ]
机构：
[1] Tech Univ Munich, Nukl Med Klin & Poliklin, Klinikum Rechts Isar, D-81675 Munich, Germany
来源：
CLINICAL NUCLEAR MEDICINE | 2010年 / 35卷 / 02期
关键词：
PET/CT; palatine tonsils; FDG uptake; CANCER;
D O I：
10.1097/RLU.0b013e3181c7c055
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：
Melanoma metastases to tonsils are rare. Tonsil metastasis has a poor prognosis where tonsils do not have afferent lymphatics, so any metastasis to the tonsil suggests hematogenous dissemination. Positron emission tomography (PET) using F-18 fluoro-2-deoxy-glucose has gained wide acceptance in patients with malignant melanoma in particular in patients with clinical suspicion of systemic metastatic spread. We report a case with a history of a cutaneous melanoma in the right supraclavicular region 12 years ago who underwent PET/CT for follow-up. This case clarifies how a malignant process can occasionally escape detection by PET/CT when placed in a region with high physiological metabolic activity like the tonsils.
引用
收藏
页码：101 / 102
页数：2
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