18F-FDG PET/CT in a Patient With Epididymo-Testicular Malacoplakia.

Zhao, Xulong; Long, Zaiying; Yu, Liming; Wang, Xinjie; Fu, Zhanli · Clin Nucl Med · 2023

case_report · Level V

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Abstract

A 56-year-old man presented with a 2-month history of a mass in the right epididymo-testicular region, which exhibited heterogeneous high avidity for 18F-FDG on PET/CT. Malignant tumor was highly suspected, leading to subsequent right orchiectomy and epididymectomy. Histopathological examination revealed the presence of characteristic Michaelis-Gutmann bodies within von Hansemann macrophages, confirming the diagnosis of malacoplakia.

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