Anatomy question. Pelvis MRI 45F. Findings of Ischiofemoral Impingement.

I’ve received a few comments / questions.

George Koulouris said that he has biopsied a much larger similar lesion in this location out of concern for sarcoma that was signed out as Adventitial Bursitis.
Andrew Kingzett Taylor just echoed a vote for adventitial bursitis—so we’re in good company.
There is no named bursa here..so that is what I reported this as.

A fellow shared this case….as it is similar…but in this location, that is Obturator Externus bursitis, which I occasionally see accompanying ischiofemoral impingement.

Here’s a curious question, from Rodrigo Aguiar who shared this article with me (I think, maybe again)…unfortunately it is not open access.

I’m curious what you think about it.
I’m inclined to think it’s much ado about nothing

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