Chronic sarcoid arthritis evaluation

* A diagnosis of chronic arthritis requires at least 6 weeks of symptoms and objective findings on physical examination or radiologic evaluation. Distinguishing structural joint disease from subjective joint pain is discussed in the relevant UpToDate topic reviews.

¶ Establishing a diagnosis of sarcoidosis is discussed in the relevant UpToDate topic reviews.

Δ Jaccoud arthropathy is a nonerosive arthropathy that induces ulnar subluxation at the metacarpal joints.

◊ Dactylitis is inflammation of the tendons of a finger or toe, which causes the entire digit to become swollen.

§ A diagnosis of inflammatory arthritis requires the finding of synovitis on physical examination. Unlike osteoarthritis, a non-deforming arthritis does not have evidence of joint damage on imaging or physical examination. Refer to relevant UpToDate topic reviews for discussion.

¥ Refer to relevant UpToDate topic reviews for discussion of differential diagnosis.