Late-Onset Familial Systemic Lupus Erythematosus With Lupus Nephritis in an 82-Year-Old Male: A Case Report and Literature Review.

Systemic lupus erythematosus (SLE) rarely occurs in men of any age. Late-onset SLE (typically after the age of 50) presents special challenges. We report a case of SLE with renal involvement in a very old man.