Serum protein electrophoresis of an elderly patient reveals…

Serum protein electrophoresis of an elderly patient reveals a monoclonal protein spike. There are >30% plasma cells present in the bone marrow. The plasma cells are CD19 and CD20 negative but are CD38 and cytoplasmic immunoglobulin positive. What is the most likely diagnosis? 

A woman visited her physician for a routine pregnancy exam….

A woman visited her physician for a routine pregnancy exam. The patient has no history of anemia or hematology disorders. The physician ordered a hemoglobin variant screen to ensure there would be no hematologic complications during the pregnancy. the alkaline pH hemoglobin electrophoresis revealed a band in the S location and in the A location. The sickle solubility test is negative. What is the most likely diagnosis for this patient? 

A 65-year-old male is admitted with the following findings:…

A 65-year-old male is admitted with the following findings: WBC 60.0 x 109/L Neutrophils 15% Bands 5% Lymphocytes 80% The lymphocytes appear to be normal small lymphocytes but several smudge cells are seen. These lymphocytes possess CD5 and CD19 but do not possess CD10 or CD38. What is the most likely diagnosis?