Interpretive / case essay on Hematology and Immunology

A blood film shows a patient to have a high level of polychromasia and a high reticulocytecount. Spherocytes are also present. The Hb is 75g/l (normal range is 120-170 g/l or 12.0-17.0 g/dl -older unitsno longer used). Investigate the potential causes for this...