Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Arthritis mutilans
Medically reviewed by Min Clinic Staff | Updated: January 2026
Arthritis mutilans: An extremely severe form of chronic rheumatoid or psoriatic arthritis characterized by resorption of bones and the consequent collapse of soft tissue. When this affects the hands, it can cause a phenomenon sometimes referred to as 'telescoping fingers.'