Extrauterine Endometrial Stromal Sarcoma Mimicking Colorectal Cancer With Metastases
Case report
OA: hybrid
CC0
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This case report describes 18F-FDG PET/CT findings of extrauterine endometrial stromal sarcoma mimicking colorectal cancer with metastases in the sigmoid colon and rectum.
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Abstract
Extrauterine endometrial stromal sarcoma (EESS) is extremely rare, especially with the colorectum involvement. We describe 18 F-FDG PET/CT findings of EESS in the sigmoid colon and rectum in a 46-year-old woman who complained diarrhea. 18 F-FDG PET/CT revealed multiple hypermetabolic lesions in the abdomen and pelvis, including the sigmoid colon and rectum. Therefore, colorectal cancer with metastases was initially suspected; however, ultimately low-grade EESS was pathologically confirmed. Widespread EESS with intestine involvement revealed by 18 F-FDG PET/CT should be carefully distinguished from colorectal cancer with metastases.
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References (10)
- 18F-FDG PET/CT findings of a recurrent adenocarcinoma arising from malignant transformation of abdominal wall endometriosis via openalex
- 18F-FDG simultaneous PET/MR findings of a malignant transformation and metastases of abdominal wall endometriosis via openalex
- Analysis of positron emission tomography/computed tomography in patients to differentiate between malignant transformation of endometrioma and endometrioma via openalex
- Endometriosis-related pathology: a discussion of selected uncommon benign, premalignant and malignant lesions via openalex
- Interference of Known or Suspected Endometriosis in Reporting FDG PET/CT Performed in Another Indication via openalex
- Rethinking mechanisms, diagnosis and management of endometriosis via openalex
- W4220902794 via openalex
- W3134885188 via openalex
- W3185022297 via openalex
- W4205943798 via openalex
Source provenance
- openalex
- last seen: 2026-06-10T17:14:06.276822+00:00
- pubmed
- last seen: 2026-10-08T21:36:16.716136+00:00
License: CC0
· commercial use OK