Clinical Laboratory Hematology 3rd Edition by Shirlyn McKenzie, Lynne Williams

تمرين 26

A 13-year-old black female had a routine physical. Her CBC was normal, but the differential revealed many target cells. Hemoglobin electrophoresis revealed a band that migrated like HbS on cellulose acetate at pH 8.4. Her hemoglobin solubility test was negative. Explain the results and suggest a follow-up test to determine a diagnosis.