Intense FDG Uptake in Leiomyomatosis Peritonealis Disseminata With Fumarate Hydratase Deficiency
case-report
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Fumarate hydratase-deficient leiomyomatosis peritonealis disseminata demonstrated intense FDG uptake on PET/CT, mimicking malignancy in a patient with a uterine adenomyoma.
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Abstract
A 35-year-old woman with a history of laparoscopic myomectomy presented with repeated abdominal pain. Contrast-enhanced abdominal and pelvic CT showed multiple enhancing solid or mixed cystic and solid peritoneal masses, and an enhancing uterine mass. All these masses showed intense FDG uptake on FDG PET/CT. The intraperitoneal and uterine masses were surgically removed. The histological and immunohistochemical findings of the peritoneal lesions were consistent with leiomyomatosis peritonealis disseminata with fumarate hydratase deficiency, and the uterine mass was adenomyosis. This case indicates fumarate hydratase-deficient extrauterine leiomyoma can show intense FDG uptake mimicking malignancy.
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Cites (4)
- Leiomyomatosis Peritonealis Disseminata Associated with Endometriosis and Multiple Uterus-Like Mass: Report of Two Cases 2012
- Endometriosis Mimicking an Advanced Malignant Tumor 2016
- Umbilical Endometriosis Mimicking Malignancy on 18 F-FDG PET/CT 2022
- Variable uterine uptake of FDG in adenomyosis during concurrent chemoradiation therapy for cervical cancer 2011
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Source provenance
- europepmc
- last seen: 2026-06-30T06:11:02.404677+00:00
- openalex
- last seen: 2026-06-04T00:00:01.174412+00:00
- pubmed
- last seen: 2026-06-30T06:09:29.947382+00:00
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