Unusual painful pelvic masses: Extramedullary hematopoiesis with extramedullary multiple myeloma

Abstract

Key Clinical Message The coexistence of extramedullary hematopoiesis and extramedullary multiple myeloma can occur and present as painful pelvic masses. In such a case, normal hematopoietic cells may outnumber clonal plasma cells, posing a diagnostic challenge.

Keywords

• abdominal pain
• extramedullary hematopoiesis
• extramedullary multiple myeloma
• pelvic mass
• plasma cell