Adenomyosis with extensive glandular proliferation simulating infiltrating malignancy on magnetic resonance imaging

Kaoru Funaki, Hidenobu Fukunishi, Tetsuo Maeda, Chiho Ohbayashi, Satoshi Yamaguchi
Japanese journal of radiology · 2011 · vol. 29(4) , pp. 272–275 · doi:10.1007/s11604-010-0538-6 · PMID:21607841 · W2068405497
article OA: closed CC0 ⤵ 2 in-corpus citations
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⚙ AI-generated summary by claude@2026-06+body, 2026-06-09 ⓘ

This case report describes multicystic adenomyosis that mimicked infiltrating malignancy on MRI, with the final diagnosis being adenomyosis coexisting with simple endometrial hyperplasia.

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⚙ AI-generated deep summary by claude@2026-06, 2026-06-10 ⓘ

This paper reports a single case of multicystic adenomyosis with extensive glandular proliferation, evaluated using preoperative magnetic resonance imaging (MRI) and positron emission tomography. The patient presented with an irregular menstrual cycle and abnormal genital bleeding that progressed to severe anemia, and MRI showed endometrial hyperplasia with a myometrial lesion featuring a high-signal multicystic mass, leading to a confusing preoperative diagnosis that simulated infiltrating malignancy. After hysterectomy, gross examination demonstrated villous endometrium and a thickened myometrium with multiple small cysts containing serous transparent fluid, and the final diagnosis was adenomyosis coexisting with simple endometrial hyperplasia. As a case report, the major limitation is that conclusions are based on one patient’s imaging and pathology findings. This paper is centrally about endometriosis and/or adenomyosis — specifically adenomyosis that can mimic malignancy on MRI.

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Condition tags

endometriosisadenomyosis

MeSH descriptors

Endometriosis Magnetic Resonance Imaging Adult Diagnosis, Differential Endometriosis Endometriosis Endometriosis Female Humans Hysterectomy Magnetic Resonance Imaging Positron-Emission Tomography Uterine Neoplasms Uterine Neoplasms

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Cites (3)

Cited by (2)

References (11)

Cited by (2)

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License: CC0 · commercial use OK