This topic has 1 reply, 2 voices, and was last updated 3 years, 2 months ago by Stephen Bird. Viewing 1 reply thread Author Posts 22/06/2021 at 7:52 am #15330 DianeParticipant Hi Steve, I’ve attached a cineloop and some images of a prominent “bony island” I saw on a recent hip ultrasound. The x-ray was reported NAD. Any opinions on what it is and any significance? Thanks! Attachments:You must be logged in to view attached files. 22/06/2021 at 11:21 am #15353 Stephen BirdKeymaster This looks like an Os Acetabuli to me, It is a bony ossicle at the margin of the acetabular cup. It may be a normal variant, but can be associated with femora-acetabular impingement or degenerative hip OA. Steve Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In