Rheumatic manifestations of inflammatory bowel disease

Table 1 Classification of peripheral arthropathy associated with IBD

Type 1 (Pauci-articular)	Type 2 (Polyarticular)
Less than five joints	Five or more joints
Asymmetric involvement	Persistent inflammation for months or even years
Lower limbs more affected	May be erosive
Self limited episodes that last < 10 wk	Affects both large and small joints
Usually concomitant IBD relapse	It can be symmetric or asymmetric
High frequency of other extraintestinal manifestations	Clinical course is independent of IBD activity
	Associated with uveitis

IBD: Inflammatory bowel disease.