Medically reviewed by Stella Bard, MD Key Takeaways Polyarthritis affects five or more joints with pain and inflammation.It is most commonly caused by an autoimmune disorder but can also be triggered ...

Systemic Lupus Erythematosus (SLE) is a prototypic autoimmune disorder that predominantly affects females of childbearing age and is involved with inflammation in multiple organ systems. SLE can ...

This presentation fits within a diagnostic territory of an autoimmune disorder, a systemic inflammatory disorder, malignancy, and an infection. Let's further examine the differential diagnosis.

A chikungunya case was confirmed on Long Island, New York. This marks the first local transmission in six years. Health ...

Canine immune-mediated polyarthritis and steroid-responsive meningitis-arteritis (SRMA) are inflammatory disorders that predominantly affect young to middle-aged dogs. Immune-mediated polyarthritis is ...