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Acute promyelocytic leukemia — RCPSC IM MCQ

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ModerateHematologyAcute promyelocytic leukemiaRCPSC IM

A 39-year-old woman presents with gingival bleeding and bruising. Hemoglobin is 82 g/L, platelets 18 x 10^9/L, fibrinogen is 0.8 g/L, INR is 1.8, and the smear shows abnormal promyelocytes with heavy granulation and Auer rods. Cytogenetics are pending. What is the most appropriate management?

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Correct answer: AStart ATRA immediately with aggressive blood product support

Suspected acute promyelocytic leukemia is a hematologic emergency because early hemorrhagic death is common. ATRA should be started immediately on morphologic suspicion while correcting coagulopathy.

Reference: Canadian leukemia practice; ELN acute promyelocytic leukemia recommendations