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A 50-year-old woman presented to our hospital with lower abdominal pain for 1 week. Pelvic CT revealed a significantly enlarged uterus with multiple nodular and mass lesions. Subsequently, the patient underwent 18 F-FDG PET/CT examination. 18 F-FDG PET/CT revealed multiple nodules and mass lesions in the uterus with intense 18 F-FDG uptake. The patient underwent needle biopsy of the uterine lesion. Histopathologic and immunohistochemical findings revealed uterine adenomyoma. This case suggests that uterine adenomyoma with intense FDG uptake is easily misdiagnosed as malignancy, and diagnosis should be confirmed by pathology.
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Wenqian et al. (2026) studied this question.
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