MRI Features of Uterine Adenomyosis (46 Cases)

Objective:To study the MRI features and its diagnostic value of uterine adenomyosis. Methods: MRI features of 46 cases of uterine adenomyosis proved by surgery and pathology were reviewed and correlated with pathology manifestations. Results:MRI and pathology findings were highly consistent. The main MRI features of uterine adenomyosis were as follows: ①On T2WI and IR sequences, diffuse or focal widening (more than 12 mm) of junctional zone,or a focal mass with indistinct margin in the outer layer of myometriurn can be revealed and the signal intensity was similar to that of junctional zone;②High signal intensity spots appeared on T2WI, sometimes can also be seen on T1WI;③On contrast-enhanced T1WI,the signal intensity of adenomyosis was similar to that of juctional zone;④Uterine enlargement with well-defined contour;⑤ On T2WI and IR sequences, distortion of uterine Structures (endometrium, juctional zone) was shown. Conclusion: MRI is a very helpful modality in the diagnosis and localization of adenomyosis;