Gynecologic MRI: Myomas, Adenomyosis and Ovaries
 
In this sagittal T2-weighted image, the endometrium is depicted clearly because its water content is higher than that of the myometrium, especially the inner myometrium.
In this transverseT2-weighted image, the ovaries (arrows) are depicted clearly because of the fluid within the follicles.
In this T2-weighted image of a different patient, a myoma is depicted as low signal intensity with well-defined margins. In contrast, an area of focal adenomyosis (A) is less well-defined, blending with the inner myometrium.

More than any other method of imaging, MRI allows identification of normal anatomy and a diversity of abnormalities, including myomas, adenomyosis, endometriosis and malignancy.

References

1. Outwater EK, Siegelman ES, Wilson KM, Mitchell DG. Benign and malignant gynecologic disease: Clinical importance of fluid
and peritoneal enhancement in the pelvis at MR imaging. Radiology 1996;200:483-488.

2. Outwater EK, Siegelman ES, Van Deerlin V. Adenomyosis: current concepts and imaging considerations. AJR 1998;170:437-441.

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