MR Imaging of Polypoid Endometriosis of the Ovary

Eito KOZAWA; Kaiji INOUE; Noriaki IWASA; Keiichi FUJIWARA; Masanori YASUDA; Junji TANAKA; Fumiko KIMURA

doi:10.2463/mrms.11.201

Clinical Image

MR Imaging of Polypoid Endometriosis of the Ovary

Eito KOZAWA, Kaiji INOUE, Noriaki IWASA, Keiichi FUJIWARA, Masanori YASUDA, Junji TANAKA, Fumiko KIMURA

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Keywords: diffusion-weighted image, MRI, ovary, polypoid endometriosis, T₂-weighted image

JOURNAL OPEN ACCESS

2012 Volume 11 Issue 3 Pages 201-204

DOI https://doi.org/10.2463/mrms.11.201

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Abstract

We report a case of polypoid endometriosis of the ovary and correlate magnetic resonance (MR) and pathological findings. The endometriosis appeared as multiple polypoid areas along the wall of the ovarian cystic lesion with hyperintensity on T₂-weighted images and slight hyperintensity on diffusion-weighted images. However, the polypoid areas did not yield low apparent diffusion coefficient (ADC) values on ADC map images. These MR findings were similar to the signal intensity of the uterine endometrium, reflecting the presence of abundant endometrial glands.

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