Strong myeloperoxidase positivity in leukemic blasts most directly supports which lineage?
1Mature B-cell lineage
2Myeloid lineage✓ 정답
3Megakaryocytes only
4Plasma-cell lineage
해설
Myeloperoxidase is a key marker of myeloid differentiation and supports assignment of blasts to myeloid lineage when interpreted with morphology and immunophenotype.