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Updated: Jun 3, 2025

Gene Regulation and Targeted Therapy in Gastric Cancer Peritoneal Metastasis: Radiological Findings from Dual Energy CT and PET/CT
Published on: January 22, 2018
FDG PET/CT in a Case of Metastasizing Pleomorphic Adenoma in the Ilium
Zhengguang Xiao1, Aisheng Dong2, Yang Wang3
1From the Department of Radiology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine.
Abstract:
Although pleomorphic adenomas of the salivary glands are benign tumors, they can metastasize to distant organs without evidence of malignant transformation. We describe FDG PET/CT finding in a case of metastasizing pleomorphic adenoma in the right ilium occurring 22 years after initial surgical resection of a lip pleomorphic adenoma. On FDG PET/CT, the iliac metastasis appeared as an expansile osteolytic lesion with heterogeneous activity. This case indicates that metastasizing pleomorphic adenoma, although rare, should be included in the differential diagnosis of FDG-avid osteolytic bone lesions in patients with a history of salivary gland pleomorphic adenoma.
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