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Objectives: This study aimed to explore why one acute promyelocytic leukemia (APL) patient underwent complete molecular remission in the persistent presence of the t (2; 3) (p25; q21) karotype.
Methods: One APL patient overexpressed PML/RARα (bcr1) and WT1 genes in the presence of the Fms-like tyrosine kinase-internal tandem duplication mutation, while cytogenetics showed t (2; 3) (p25; q21) and t (15; 17) (q22; q21). Cytogenetics and molecular biology were monitored throughout the treatment.
Results: After 5 weeks of induction chemotherapy, this case gained complete molecular biology remission with the presence of t (2; 3) (p25; q21). This status was still present during the follow-up consolidate and maintenance therapy.
Conclusion: For this patient, t (2; 3) (p25; q21) may be one kind of balanced translocation that leads to miscarriages or causes abnormalities in children, unrelated to leukemia or other malignancies.
Acknowledgments
The authors acknowledge P Zou for reviewing and revising this paper. Y You and Y He have equally contributed to this manuscript.