Power Doppler image shows considerable vascularity around the fibroid.
I have loads of ultrasound images of different types of fibroids on this page:
Case-2: Subserosal fibroid pressing upon and effacing the emdometrial stripe:
This ultrasound video clip shows a transverse section through the fibroid, panning from the upper border of the uterine fundus to the cervix. One can see that the fibroid arises from the right lateral aspect of the fundus.