A Rare Case of Rhupus Syndrome With Systemic Involvement: A Case Report and Literature Review.

Based on clinical signs, symptoms, radiological, and serological findings, a 37-year-old woman was diagnosed with an overlap between rheumatoid arthritis and systemic lupus erythematosus, referred to as rhupus syndrome. Her condition was complicated by lupus nephritis, autoimmune hemolytic anemia, and central nervous system (CNS) vasculitis. She improved after receiving steroids, hydroxyquinone, and cyclophosphamide.