The Latin word for wolf is lupus, but how did this voracious animal get into rheumatology? The term originally referred to ulcers on the face that resembled those caused by wolf bites. Nowadays lupus is short hand for Systemic Lupus Erythematosus, a disease that can mimic other more common diseases. The red facial rash so commonly present has given us the term Erythematosus. We now understand that the usual clean-up or house keeping functions of the immune system have gone haywire and can attack many body systems and organs.
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