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Figure 1 | World Journal of Surgical Oncology

Figure 1

From: Isolated granulocytic sarcoma of the pancreas: A tricky diagnostic for primary pancreatic extramedullary acute myeloid leukemia

Figure 1

Fixed, paraffin-embedded tissue sections of i) pancreatic invasion (A, case n°1, magnification at ×100) of medium sized cells, with CD43 positive expression signing myeloid lineage, inset shows contiguous lymph node with high CD43 expression (internal positive control of myeloid lineage); and of ii) omentum invasion (B, case n°2, hematoxylin and eosin staining, magnification at ×400) by myeloid-like cells, some with mitotic activity (arrow head), surrounding fat cells (arrow), inserts show myeloperoxydase (MPO), CD43, and CD34 expression (arrow head showing internal positive control with vessel).

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