Pathology All of the following immunohistochemical markers are positive in the neoplotic cells of granulocytic sarcoma, EXCEPT: A CD 45 RO B CD 43 C Myeloperoxidase D Lysozome 💡 Explanation All of the following immunohistochemical markers are positive in the neoplotic cells of granulocytic sarcoma, EXCEPT: ✓ Correct Answer: A. CD 45 RO