Case Report

Multiple Myeloma Presenting as Recurrent Sinopulmonary Infections

Multiple myeloma is a plasma cell malignancy that classically presents with bone pain secondary to osteolytic lesions, anemia, and renal insufficiency. A 49-year-old man presented for workup of possible primary immunodeficiency due to a history of recurrent sinopulmonary infection and abnormal immunoglobulin levels. He was subsequently diagnosed with multiple myeloma,…