Increased 18F-FDG Uptake of Widespread Endometriosis Mimicking Ovarian Malignancy
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This case report describes widespread endometriosis with increased FDG uptake in multiple sites, including the liver and mesentery, mimicking ovarian malignancy on PET/CT.
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Abstract
Endometriosis is a benign disease characterized by the implantation of functional endometrial tissue in ectopic locations. We present a case of a 42-year-old woman with widespread endometriosis that mimicked ovarian malignancy on FDG PET/CT. Increased FDG uptake was observed not only in the right ovary, but also in the liver capsule, perihepatic nodules, greater omentum, and the mesentery. This case indicates that widespread endometriosis may be a cause of multiple FDG uptakes in women of reproductive age and should always be kept in mind in the differential diagnoses of suspicious malignancy.
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Cited by (15)
- Assessment of Al18F-NOTA-FAPI-04 PET/CT imaging for visualization and localization of ovarian and peritoneal endometriotic lesions in a rat model 2025
- Urinary Endometriosis Misdiagnosed as Ureteral Malignant Tumor by PET/CT: A Case Study 2024
- Additional file 1 of Relaxed fibronectin: a potential novel target for imaging endometriotic lesions 2024
- Additional file 1 of Relaxed fibronectin: a potential novel target for imaging endometriotic lesions 2024
- PET/CT imaging in invasive endometriosis: a way to minimize missed diagnosis and reduce invasive interventions 2023
- Interference of Known or Suspected Endometriosis in Reporting FDG PET/CT Performed in Another Indication 2022
- Pulmonary cavitations with increased 18F-FDG uptake revealing a thoracic endometriosis 2021
- Polypoid endometriosis: a mimic of malignancy 2019
- New biomarkers in endometriosis 2019
- Endometriosis resembling endometrial cancer in a postmenopausal patient 2017
- Can Tc-99m labeled erythrocyte scintigraphy be an alternative non-invasive method to endometriosis diagnosis? 2017
- Ovarian Hyperstimulation and Oocyte Harvesting Prior to Systemic Chemotherapy—A Possible Pitfall in 18F-FDG PET/CT Staging of Oncologic Patients 2016
- DEVELOPMENT OF A DOMESTIC ANIMAL MODEL OF ENDOMETRIOSIS 2016
- Endometriosis Mimicking an Advanced Malignant Tumor 2016
- Unusual Case of Postmenopausal Diffuse Endometriosis Mimicking Metastastic Ovarian Malignancy 2015
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- europepmc
- last seen: 2026-06-19T06:14:56.452680+00:00
- openalex
- last seen: 2026-06-10T17:14:06.276822+00:00
- pubmed
- last seen: 2026-05-13T22:18:04.362919+00:00
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