What is the result of recurrent episodes of sickling in sickle cell disease (SCD)?

Updated: May 12, 2021
  • Author: Joseph E Maakaron, MD; Chief Editor: Emmanuel C Besa, MD  more...
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Answer

After recurrent episodes of sickling, membrane damage occurs and the cells are no longer capable of resuming the biconcave shape upon reoxygenation. Thus, they become irreversibly sickled cells (ISCs). From 5-50% of RBCs permanently remain in the sickled shape.


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