autoimmune lymphoproliferative syndrome (alps) is a rare inherited disorder of apoptosis. it usually presents with chronic lymphadenopathy, splenomegaly, and symptomatic cytopenia in a child. herein, we report a 14-year-old boy with symptoms misdiagnosed as hemophagocytic lymphohistiocytosis who was treated before alps was diagnosed for the patient. this case should alert pediatricians to consi...