PMC5892271_01
Peripheral smear: Giemsa stain (1000x). Thin arrows denote hypogranular granulocytes, thick arrows denote monocytes, and *denotes circulating myeloblasts.
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fig1
Peripheral blood smear demonstrated increased blasts with promonocytes consistent with AML (Figure 1).
Echocardiogram showing large pericardial effusion with right atrial and ventricular collapse.
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fig2
Given his dyspnea, hemodynamic abnormalities, and jugular venous distension, an emergent echocardiogram was obtained which revealed a large pericardial effusion with right atrial and ventricular collapse consistent with cardiac tamponade (Figure 2).
Bone marrow aspirate, 1000x, Giemsa stain. *denotes myeloblasts, thin arrows denote the monoblasts, and thick arrows denote promonocytes.
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fig3
Bone marrow biopsy was consistent with AMML (Figure 3).