MR Imaging of Polypoid Endometriosis of the Ovary

Eito Kozawa, Kaiji Inoue, Noriaki Iwasa, Keiichi Fujiwara, Masanori Yasuda, Junji Tanaka, Fumiko Kimura
Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine · 2012 · vol. 11(3) , pp. 201–204 · doi:10.2463/mrms.11.201 · PMID:23037566 · W1999176523
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⚙ AI-generated summary by claude@2026-06, 2026-06-07 ⓘ

MR imaging revealed multiple polypoid areas in an ovarian lesion with T₂ hyperintensity and mild diffusion-weighted image hyperintensity, mimicking uterine endometrium due to abundant endometrial glands.

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⚙ AI-generated deep summary by claude@2026-06, 2026-06-07 ⓘ

This paper reports a single case of polypoid endometriosis of the ovary and correlates MRI findings with pathology. The lesion presented as multiple polypoid areas along the wall of an ovarian cystic lesion, showing hyperintensity on T2-weighted images and slight hyperintensity on diffusion-weighted images. Despite these diffusion-weighted signals, the polypoid areas did not show low apparent diffusion coefficient (ADC) values on ADC maps, which the authors attribute to their imaging signal resembling that of uterine endometrium and reflecting abundant endometrial glands. This paper is centrally about endometriosis—specifically MR imaging-pathology correlation in polypoid ovarian endometriosis.

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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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Condition tags

endometriosis

MeSH descriptors

Endometrial Neoplasms Endometriosis Magnetic Resonance Imaging Ovarian Neoplasms Adult Diagnosis, Differential Endometrial Neoplasms Endometriosis Female Humans Magnetic Resonance Imaging Ovarian Neoplasms

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Papers in the corpus that this work cites (lower rings, blue) and that cite this one (upper rings, green). Dot size scales with the paper's in-corpus citation count — bigger dot = more influential within the endo/adeno field. Click a dot to open that paper. [ expand to 2 hops ] — adds papers reached through this work's immediate citers/citees. Heavier; up to 60 extra dots.

References (12)

Cited by (25)

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