Thumbprinting in myeloid blasts - 1.

Thumbprinting in myeloid blasts - 1.
Author: Peter Maslak
Category: Myeloid Neoplasms and acute leukemia (WHO 2016) > Acute Myeloid Leukemia
Published Date: 10/01/2008

Determining the cell lineage of blasts may be difficult particularly when they lack distinguishing morphologic features such as granules or Auer rods. In this picture, the blasts have characteristic indentations or imprints in the nucleus. This feature is known as "thumbprinting" and is associated with myeloid lineage.