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FDG PET/CT in a Case of Metastasizing Pleomorphic Adenoma in the Ilium.
Clin Nucl Med
November 2024
Department of Orthopedics, The First Affiliated Hospital of Naval Medical University, Shanghai, China.
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.
View Article and Find Full Text PDFFDG PET/CT in a Case of Metastasizing Pleomorphic Adenoma in the Ilium.
Clin Nucl Med
February 2025
Department of Orthopedics, The First Affiliated Hospital of Naval Medical University, Shanghai, China.
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.
View Article and Find Full Text PDFThe role of irisin and cytokines in the etiology of parotid tumors.
Biotech Histochem
January 2025
Department of Ear Nose and Throat, Firat University Faculty of Medicine, Elazig, Turkey.
This study explores the role of irisin and interleukins in parotid tumors by determining the tissue staining intensity of irisin, the salivary and plasma levels of irisin, and the plasma levels of IL-4, IL-6, IL-10 and TNF-alpha in individuals with parotid tumors. Forty-eight patients and forty healthy individuals were included to the study and allocated into four group. Benign Group I (pleomorphic adenoma), Group II (Warthin's tumor), Group III (mucoepidermoid carcinoma) and Group IV (benign parotid control group, healthy control group).
View Article and Find Full Text PDFRelative Frequency of Primary Salivary Gland Tumors: Multicenter Study of 796 Cases from Riyadh, Saudi Arabia.
Medicina (Kaunas)
December 2024
King Abdulaziz Medical Center, National Guard Health Affairs, Riyadh 21423, Saudi Arabia.
Salivary gland tumors (SGTs) are diverse lesions with varying morphological and clinical characteristics. Limited data exist on the distribution of SGTs in Saudi Arabia. We aimed to fill this gap by examining the distribution of SGTs across four tertiary hospitals in Riyadh.
View Article and Find Full Text PDFOncocytic Carcinoma Ex-Pleomorphic Adenoma of the Lacrimal Gland.
Ophthalmic Plast Reconstr Surg
January 2025
Adnexal Service, Moorfields Eye Hospital, London EC1V 2PD, United Kingdom.
Oncocytic carcinoma is a rare malignant neoplasm of oncocytic cells, such cells being characterized by abundant granular eosinophilic cytoplasm, invasive growth, and pronounced cellular pleomorphism. It may arise de novo, or through malignant transformation of a pre-existing benign oncocytoma. Oncocytic carcinoma most commonly occurs in the salivary glands, with rare involvement of the ocular adnexa where it mainly affects caruncle, conjunctiva, and lacrimal sac, and only very arises in the lacrimal gland.
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