How much do you know about Raynaud's phenomenon in lupus erythematosus

Raynaud's phenomenon may be secondary to SLE. Because the basic pathological change of SLE is vasculitis, it may cause vascular lesions at the distal end of the finger or toe, showing Raynaud's phenomenon. It may be manifested as a transient clinical phenomenon such as spasm of the digital arterioles after cold or stress stimulation, causing the skin of the finger or toe to suddenly appear pale, followed by purple and red skin, accompanied by local chills, numbness, and pain. If repeated attacks, local can show nutritional disorders, severe skin ulcers, gangrene, or finger atrophy, shortening, etc.