Enlarged uterus with diffuse, coarse echotexture and no focal masses. Enlarged uterus with effacement of normal zonal anatomy due to an expanded and ill-defined junctional zone. Scattered myometrial cysts are also present. It is a proliferation of the non-cycling layer of endometrium in the uterus. The proliferation occurs within the wall of the uterus and can be focal or diffuse.
Treatment often requires hysterectomy.
Ascher SM, et al. Krinnsky G, et al. Rapid T2-weighted MR imaging of uterine leiomyoma and adenomyosis. Click image for enlarged, annotated view Fig. Endovaginal ultrasound, sagittal view.