MR findings of polypoid endometriosis of female genital organs: report of three cases

Ryo Yajima, Aki Kido*, Sachiko Minamiguchi, Yusaku Moribata, Yasuhisa Kurata, Yuki Himoto, Satoshi Otani, Yuka Matsumoto, Akihito Horie, Ken Yamaguchi, Yuji Nakamoto

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Polypoid endometriosis is a benign, rare variant of endometriosis that forms polypoid nodules mimicking malignant tumors. For three cases of polypoid endometriosis of female genital organs, this report presents characteristic MR imaging features reflecting the histopathological findings. The solid and microcystic pattern or the multilocular pattern both reflecting dilated endometrial glands, and characteristic morphology of the nodules, multilobulated or polypoid-shaped, were helpful diagnostic clues present in these three cases. Earlier reported MR findings were also recognized, including signal intensity similar to that of the endometrium on T2-weighted image and contrast enhanced T1-weighted image, hypointense rim on T2-weighted image, lack of diffusion restriction, and hyperintense foci on T1-weighted image. Two cases were diagnosed preoperatively based on MR imaging findings as polypoid endometriosis. Fertility-preserving treatment was administered for one patient. Preoperative inference of polypoid endometriosis from MR imaging can avoid overtreatment and lead to fertility preservation.

Original languageEnglish
Pages (from-to)1968-1974
Number of pages7
JournalAbdominal Radiology
Volume47
Issue number6
DOIs
StatePublished - 2022/06

Keywords

  • Fertility
  • MR imaging
  • Malignant tumor
  • Polypoid endometriosis

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging
  • Gastroenterology
  • Urology

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