Urachal mucinous adenocarcinoma in the pelvic wall mimicking endometriosis

Tsukasa Saida, Sari Nakao, Yumiko Oishi Tanaka, Yumiko Tanaka, Yoko Yano, Toyomi Satoh, Manabu Minami
Radiology case reports · 2018 · vol. 13(5) , pp. 955–959 · doi:10.1016/j.radcr.2018.07.005 · PMID:30108674 · PMC6083378 · W2886320753
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Abstract

We report the case of a 30-year-old woman who complained of a painful palpable mass. Magnetic resonance imaging revealed an ill-defined mass approximately 8 cm in diameter with internal microcytic components. The mass diffusely involved the subcutaneous tissues, the muscles of the pelvic wall, and urinary bladder via a postoperative scar and resembled endometriosis. The histopathologic diagnosis was mucinous adenocarcinoma arisen from the urachal remnant. This is a very rare case of urachal adenocarcinoma arising mainly in the pelvic wall and mimicking endometriosis on MRI.

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endometriosis

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