Magnetic resonance manifestations of endometrial cysts at 3 T compared with 1.5 T

Takeuchi M, Mayumi Takeuchi, Matsuzaki K, Kenji Matsuzaki, Kubo H, Hitoshi Kubo, Hiromu Nishitani, Nishitani H
Journal of computer assisted tomography · 2008 · vol. 32(3) , pp. 369–371 · doi:10.1097/rct.0b013e318123e872 · PMID:18520539 · W2043657824
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Magnetic resonance imaging at 3 T demonstrated the shading sign of endometrial cysts on T2-weighted images better than 1.5 T, with lower cyst signal intensity and a significantly lower cyst-to-muscle signal intensity ratio.

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Abstract

OBJECTIVE: To evaluate the feasibility of magnetic resonance (MR) imaging at 3 T compared with 1.5 T while focusing on the shading sign of endometrial cysts on T2-weighted images. METHODS: Fifteen ovarian endometrial cysts in 10 patients underwent pelvic MR scans on 3-T and 1.5-T scanners. Fast spin-echo T2-weighted images were obtained. The images were evaluated qualitatively for the presence of the shading sign. Quantitative evaluation was performed by comparing the cyst-to-muscle signal intensity ratio at 3 T and that at 1.5 T. RESULTS: The signal intensity of the cysts was lower at 3 T than that at 1.5 T by visual evaluation. In 2 lesions, the shading sign was demonstrated at 3 T but was not at 1.5 T. The cyst-to-muscle signal intensity ratio at 3 T was significantly lower than that at 1.5 T. CONCLUSION: Magnetic resonance imaging at 3 T is useful for the diagnosis of endometrial cysts with better demonstration of the shading sign on T2-weighted images.

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Condition tags

endometriosis

MeSH descriptors

Endometriosis Magnetic Resonance Imaging Ovarian Diseases Adult Adult Aged Aged Endometriosis Endometriosis Feasibility Studies Feasibility Studies Female Female Humans Humans Magnetic Resonance Imaging Magnetic Resonance Imaging Middle Aged Middle Aged Ovarian Diseases

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 ]

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Cited by (6)

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