Een vrouw met een zwelling aan de rechter elleboog

A 74-year-old woman with longlasting rheumatoid arthritis came to our clinic because of a swollen bursa olecrani. Aspiration of the swelling yielded a yellow fluid; polarized light microscopy showed cholesterol crystals.

Conflict of interest and financial support: disclosure forms provided by the authors are available along with the full text of this article at www.ntvg.nl, search for A6192; click on ‘Belangenverstrengeling’ (‘Conflict of interest’).