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Updated: Nov 16, 2025

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Primary Malignant Melanoma of the Oropharynx Presented on 18F-FDG PET/CT
JingXing Xiao1, Min Su, Dong Wang
1From the Department of Nuclear Medicine, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, People's Republic of China.
Abstract:
Primary malignant melanoma in the oropharynx is extremely rare. A 49-year-old man presented with a 3-month history of progressive dysphagia. An outside CT scan of the head and neck showed a space-occupying lesion in the oropharynx. Staging with FDG PET/CT demonstrated a hypermetabolic mass in the right wall of the oropharynx. A biopsy revealed malignant melanoma. The patient underwent total resection of the tumor, with no recurrence after 6-month follow-up.
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