A 42-year-old Guatemalan man presented to our emergency room after experiencing 2 months of intermittent left-sided flank pain. He had a 10-year history of diabetes complicated by diabetic retinopathy ...

Complement activation is common in patients with systemic lupus erythematosus (SLE), resulting in hypocomplementemia and deposition of complement at sites of tissue damage. The availability of mice ...

This patient presented with advanced renal failure in the setting of severe hypocomplementemia, significant eosinophilia, eosinophiluria, and lymphopenia. He had neither proteinuria nor active urinary ...