A 45-year-old man with a history of multiple myeloma and hypertension presented for mobilization and collection of hematopoietic progenitor cells (HPCs) by apheresis. Serum from a blood specimen obtained at the time of HPC collection and the HPC plasma collection bag after 24 h of refrigerated storage are shown below.
- What conditions could cause serum and plasma specimens to have this appearance?
- What can be done to investigate the cause of this phenomenon?
- Could this collection be used?
What Is Your Guess? Read the article by Christopher R. McCudden and Yara A. Park here for the answers.