Editing Arthritis (section)

=== Lupus ===
{{Main|Lupus erythematosus}}

[[Lupus erythematosus|Lupus]] is an autoimmune [[collagen]] [[Blood vessel|vascular]] disorder that can be present with severe arthritis. In fact, about 90% of patients with Lupus have musculoskeletal involvement.<ref name=":6">{{Cite journal |last1=Ceccarelli |first1=Fulvia |last2=Govoni |first2=Marcello |last3=Piga |first3=Matteo |last4=Cassone |first4=Giulia |last5=Cantatore |first5=Francesco Paolo |last6=Olivieri |first6=Giulio |last7=Cauli |first7=Alberto |last8=Favalli |first8=Ennio Giulio |last9=Atzeni |first9=Fabiola |last10=Gremese |first10=Elisa |last11=Iannone |first11=Florenzo |last12=Caporali |first12=Roberto |last13=Sebastiani |first13=Marco |last14=Ferraccioli |first14=Gian Franco |last15=Lapadula |first15=Giovanni |date=2022-10-12 |title=Arthritis in Systemic Lupus Erythematosus: From 2022 International GISEA/OEG Symposium |journal=Journal of Clinical Medicine |language=en |volume=11 |issue=20 |pages=6016 |doi=10.3390/jcm11206016 |doi-access=free |issn=2077-0383 |pmc=9604412 |pmid=36294337}}</ref> Symptoms in these patients can often mimic those of rheumatoid arthritis with similar stiffness and pain patterns. Joints in the fingers, wrist, and knee tend to be the most affected.<ref name=":6" /> Other features commonly seen in patients with Lupus include a skin rash (pictured on the right), extreme [[photosensitivity]], [[baldness|hair loss]], [[kidney]] problems, and shortness of breath secondary to scarring that occurs in the lungs.<ref>{{EMedicine|article|331715|Rheumatoid Arthritis: Differential Diagnoses & Workup|diagnosis}}</ref>