Primary Myeloid Sarcoma Masquerading as an Obstructing Duodenal Carcinoma
Figure 3
(a) Duodenal biopsy showing infiltration of blastoid cells into the mucosa. (H&E original magnification, ×400). (b) Myeloperoxidase (MPO) staining reveals same population of cells staining positive for MPO (original magnification, ×400). (c) Tumor cells staining bright yellow (positive) for CD34 (original magnification, ×400). (Image courtesy of Dr Mu Su).