Thought this was a good summary of the spectrum of different joint problems 16-39% of Crohn's patients experience as extra-intestinal symptoms. The article lists the different names of axial and peripheral arthropathies.
http://www.sciencedirect.com/science/article/pii/S1873994609001378
"The Joint-Gut Axis in Inflammatory Bowel Diseases" Lianne K.P.M. Brakenhoffa,
Désirée M. van der Heijdeb, Daniel W. Hommesa,Tom W.J. Huizingab, Herma H. Fiddera 2009
Journal of Crohn's and Colitis
Volume 4, Issue 3, September 2010, Pages 257–268
http://www.sciencedirect.com/science/article/pii/S1873994609001378
"The Joint-Gut Axis in Inflammatory Bowel Diseases" Lianne K.P.M. Brakenhoffa,
Désirée M. van der Heijdeb, Daniel W. Hommesa,Tom W.J. Huizingab, Herma H. Fiddera 2009
Journal of Crohn's and Colitis
Volume 4, Issue 3, September 2010, Pages 257–268
