4.3 Article

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

Journal

ABDOMINAL RADIOLOGY
Volume 47, Issue 6, Pages 1968-1974

Publisher

SPRINGER
DOI: 10.1007/s00261-022-03530-4

Keywords

Fertility; Malignant tumor; MR imaging; Polypoid endometriosis

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This study presents the characteristic MR imaging features of polypoid endometriosis of the female genital organs, providing diagnostic clues for the condition. Additionally, MR imaging can be used to predict the need for fertility-preserving treatment.
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.

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