Nucl Med Mol Imaging.
2010 Jun;44(2):143-145.
Pleomorphic Adenoma Mimicking Malignant Tumor in the Parapharyngeal Space in a Patient with Gastric Carcinoma
- Affiliations
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- 1Department of Radiology, The Catholic University of Korea, Seoul, South Korea.
- 2Department of Otolaryngology-Head and Neck Surgery, The Catholic University of Korea, Seoul, South Korea.
- 3Department of Hospital Pathology, College of Medicine, The Catholic University of Korea, Seoul, South Korea.
- 4Institute of Catholic Integrative Medicine (ICIM), Incheon St. Mary's Hospital, Incheon, South Korea.
- 5Department of Radiology, Incheon Saint Mary's Hospital, The Catholic University of Korea, Bupyeong-gu, Bupyeong-dong, 665, Incheon, Korea 403-720. nm@catholic.ac.kr
Abstract
- A 68-year-old man underwent total gastrectomy for stomach cancer. On the follow-up FDG PET/CT image 18 months later, intense focal 18F-fluorodeoxyglucose (FDG) uptake was noted in the right parapharyngeal space. This lesion showed intermediate signal intensity on T1-weighted image and heterogeneous high signal intensity on T2-weighted image. The mass was heterogenously enhanced by gadolinium enhancement. This lesion was pathologically confirmed as pleomorphic adenoma by excision. This case highlights the fact that both benign and malignant lesions in the parotid gland may exhibit intense FDG activity and the need for pathologic confirmation of parotid gland lesions for accurate disease staging.
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