Late-Onset Systemic Lupus Erythematosus With Lupus Nephritis in a 74-Year-Old Male: A Brief Case and Review

Late-onset systemic lupus erythematosus (SLE) represents a specific subgroup of SLE, and although there is no strict age cut-off, 50 years is commonly used as the minimum age for disease onset. In this report, we present a case of a 74-year-old male with late-onset SLE and biopsy-proven lupus nephritis (LN)