"An unusual cause of diffuse pulmonary infiltrates"

I love a good clinicopathologic conference. I really liked this one because it has a nice, broad, rheumatological and non-rheumaotlogical differential; an interesting pathological specimen; and a great, twist in the diagnosis at the end.

I'll admit: I missed it.

Krause, M. L., Boland, J. M., Maleszewski, J. J., Gilbertson, J. R. and Chowdhary, V. R. (2013), An unusual cause of diffuse pulmonary infiltrates. Arthritis Care Res, 65: 487–490. doi: 10.1002/acr.21860