Abnormal Megakaryocytes, AML, Marrow biopsy

Left frame: Marked increase in coarse black reticulin fibers. Several megakaryocytes are scattered throughout the field. Right frame: Several small abnormal Megakaryocytes with only a few nuclei which are dense, many single dense nuclei and much fibrotic material. H & E stain. Acute Megakaryocytic Leukemia (M-7) untreated. Marrow biopsy -20X


Image ID: 0144-028

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