Neonatal lupus erythematosus (NLE) is a rare autoimmune disorder associated with transplacental migration of maternal autoantibodies against SS-A (Ro) or SS-B (La) antigens that results in cardiac, hepatic, cutaneous, and hematologic manifestations. Although NLE-associated neutropenia is considered transient and benign, neutropenia caused by severe congenital neutropenia (SCN) is life-threateni...
