section name header
DDx
⬇
Rheumatoid arthritis
Tophaceous gout
Sarcoidosis
Systemic lupus erythematosus
Palindromic rheumatism
Rheumatic fever
Multicentric reticular histiocytosis
Endocarditis
Hepatitis B with polyarteritis nodosa
Coccidioidomycosis
Related DDx
⬆
Subcutaneous nodules
Erythema nodosum