Computed diffusion-weighted imaging for differentiating decidualized endometrioma from ovarian cancer

Mayumi Takeuchi, Takeuchi M, Kenji Matsuzaki, Matsuzaki K, Harada M, Masafumi Harada
European journal of radiology · 2016 · vol. 85(5) , pp. 1016–1019 · doi:10.1016/j.ejrad.2016.03.009 · PMID:27130065 · W2295634187
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This study utilized computed diffusion-weighted imaging (cDWI) to differentiate decidualized endometriomas from ovarian cancers, assessing its diagnostic performance.

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Abstract

PURPOSE: To evaluate the clinical diagnostic ability of computed diffusion-weighted imaging (DWI) for differentiating decidualized endometrioma from ovarian cancer. MATERIALS AND METHODS: Computed DWI technique was retrospectively applied to 20 mural nodules in 9 decidualized endometriomas during pregnancy and 20 ovarian cancers. Signal intensities on measured DWI with b values of 800s/mm(2) (DWI800) and on computed DWI with b values of 1500s/mm(2) (cDWI1500) were visually evaluated. RESULTS: Mural nodules of all decidualized endometriomas showed high signal intensity on DWI800 with significantly higher ADC (2.01±0.26×10(-3)mm(2)/s) and low signal intensity on cDWI1500, whereas solid components of all ovarian cancers showed high signal intensity on both DWI800 with lower ADC (1.08±0.20×10(-3)mm(2)/s) and on cDWI1500. CONCLUSION: Mural nodules in decidualized endometriomas may show high signal intensity on DWI800 due to T2 shine-through effect, and cDWI1500 can distinguish decidualized endometriomas from ovarian cancers by visual evaluation.

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Condition tags

endometriosisendometrioma

MeSH descriptors

Endometriosis Ovarian Neoplasms Pregnancy Complications Adult Adult Diagnosis, Differential Diagnosis, Differential Diffusion Magnetic Resonance Imaging Diffusion Magnetic Resonance Imaging Diffusion Magnetic Resonance Imaging Endometriosis Endometriosis Endometrium Endometrium Endometrium Female Female Humans Humans Ovarian Neoplasms

Citation neighborhood (2-hop)

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. Outer rings show 2-hop neighbours — papers reached through the immediate citers/citees. [ collapse to 1-hop ]

References (12)

Cited by (18)

Source provenance

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