Key Features of the Paper

STUDY AIM

To illustrates the difficulty and dangers of APL induction therapy even with a favorable initial clinical presentation despite the generally low toxicity of new therapies.

Methods

This is a report an individual case study of a young patient with low risk APL.

Results

The patient had spontaneous hematomas. The combination of pancytopenia and coagulopathy in the blood and the proving cytogenetic and moleculargenetic examinations of the bone marrow lead to the diagnosis of low-risk acute promyelocytic leukemia (APL).

During the combination therapy with ATRA and ATO, the patient developed a severe differentiation syndrome and hyperleukocytosis. Management of the condition was only possible due to clinical expertise and massive substitution of blood products and clotting factors.

Conclusion

The case illustrates the difficulty and dangers of APL induction therapy even with a favorable initial clinical presentation despite the generally low toxicity of new therapies.