What other rheumatic problems occur with increased frequency in IBD patients?
• Achilles enthesitis/plantar fasciitis (enthesopathy)
• Granulomatous lesions of bones and joints
• Hypertrophic osteoarthropathy (periostitis) with clubbing (5%)—more common in Crohn’s
• Psoas abscess or septic hip from fistula formation (Crohn’s disease)
• Osteoporosis and avascular necrosis secondary to medications (i.e., prednisone)