Diagnostic Challenges in Invasive Mole With 18F-FDG PET/CT

Author:

Minami Akihiko1,Nakamoto Ryusuke2,Shimamura Takuto3,Kitano Yurika3,Nakamoto Yuji3

Affiliation:

1. Department of Radiology, Kyoto City Hospital

2. Preemptive Medicine and Lifestyle Related Disease Research Center

3. Department of Diagnostic Imaging and Nuclear Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan.

Abstract

Abstract A 34-year-old woman underwent 18F-FDG PET/CT scan following a diagnosis of an invasive mole. Although CT indicated multiple lung metastases, FDG uptakes were not evident. In contrast, FDG uptakes were observed in the pelvic lesion including the left ovary, suggestive of ovarian metastasis. MRI disclosed a ring-shaped enhancement typical of a corpus luteum. This corpus luteum was supposed to be maintained by the elevated human chorionic gonadotropin excreted from the invasive mole. This case underlines the importance of careful interpretation of 18F-FDG PET/CT in the evaluation of invasive moles, highlighting potential false positive in corpus luteum.

Publisher

Ovid Technologies (Wolters Kluwer Health)

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