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  • Title: MR imaging of ovarian hemorrhage.
    Author: Nishino M, Hayakawa K, Iwasaku K, Togashi K, Ueda H, Sago T, Noguchi M.
    Journal: Eur J Radiol; 2004 Jul; 51(1):34-40. PubMed ID: 15186882.
    Abstract:
    BACKGROUND: To review MR appearances of ovarian hemorrhage, and to describe its characteristic imaging findings. METHODS: 12 women (age range, 20-44, mean, 26 years) with suspected ovarian hemorrhage underwent pelvic MR examinations. We retrospectively reviewed MR findings regarding signal intensities, localization, and wall enhancement of adnexal masses, and signal intensities of ascites. RESULTS: Adnexal masses were detected in all cases. In eight cases, adnexal mass exhibited intermediate signal intensity on T1WI, and intermediate to low signal intensity on T2WI. In other case, adnexal mass exhibited marked hyperintensity on T1WI. In the remaining three cases, cystic mass with low signal intensity on T1WI and high signal intensity on T2WI was noted. Ascites was present in all cases, and showed intermediate signal on T1WI and intermediate to low signal on T2WI. CONCLUSIONS: In ovarian hemorrhage, hemorrhagic ascites and adnexal mass was visualized with specific MR signal intensity. Due to its sensitivity for identifying blood, MR imaging is useful in the diagnosis of ovarian hemorrhage, especially when ultrasonography findings are not definitive.
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