F-18 FDG PET/CT imaging of submandibular gland oncocytoma
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Updated: Jul 4, 2026

Ultrasonographic Evaluation of Salivary Glands for Sjogren's Syndrome: Diagnostic and Monitoring Insights
Published on: October 13, 2023
Rathan M Subramaniam1, David K Durnick, Patrick J Peller
1Departments of Radiology, Mayo Clinic, Rochester, Minnesota 55905, USA.
Abstract:
F-18 FDG PET/CT is used to evaluate head and neck malignancies, including salivary gland tumors. We describe the FDG PET/CT features of a submandibular gland oncocytoma. An 85-year-old patient with small cell cancer of the lung and a history of squamous cell carcinoma of the lower lip was evaluated with FDG PET/CT. There was an intensely hypermetabolic left submandibular gland lesion that was suspected for a metastasis. Ultrasound-guided fine needle aspirate of the lesion proved to be a submandibular gland oncocytoma.
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