FDG PET/MRI in Synchronous Uterine Adenocarcinoma and Leiomyosarcoma.

Yokoo, Shiho; Zeng, Feibi; Nogami, Munenobu; Ueno, Yoshiko R; Murakami, Takamichi · Clin Nucl Med · 2022

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Abstract

A 52-year-old woman with a rapidly growing uterine tumor suspected of uterine sarcoma underwent 18F-FDG PET/MRI, revealing a myometrial mass and an endometrial lesion, suggesting dual primary neoplasms. Based on the PET/MRI findings, we changed the intraoperative procedure to determine the necessity of pelvic lymphadenectomy. PET/MRI was useful in diagnosing and differentiating between 2 malignant neoplasms in the uterus compared with PET/CT, due to MRI's high contrast resolution and precise fusion due to the simultaneous acquisition.

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