Here's a recent paper relating Anterior Chest Wall pain and SpA

http://www.jrheum.org/content/early/2013/05/13/jrheum.121460.abstract


Dx Oct 2006 B27+ undifferentiated spondlyarthropathy (uSpA) with mild sebhorrhoeic dermatitis and mild Inflammatory Bowel Disease (IBD) controlled by NSD since 2007.