name this thing and win a live Q&A session *solution insiden now*
hi all as a little teaser for my new upcoming youtube video on my MSK MRI youtube channel, i post an image here. please name this structure. the first who gets it right can join one live Q&A session of the fellowship (but not submit a case). We had this "structure" 2-3 times in the fellowship already. @fellows, please dont spoil anything here if you still remember. so post it here, contest is up until youtube video is released. action: name this structure