Figure 2 : Morphological and immunohistochemical findings in pure erythroid leukemia.

Case 1: 1a, 1b, 1c, 1d. Case 2: 2a, 2b, 2c, 2d. 1a, 2a) Bone marrow aspirate smear showing marked dyserythropoiesis, including multinucleated erythroid precursors with cytoplasmic vacuolization (×600). 1b) Periodic acid–Schiff staining showing positive granules in the cytoplasm of erythroid precursors (×600). 2b) Bone marrow clot section showing hypercellularity with increased erythroid precursors (×200). 1c, 2c) The erythroid precursors are CD34 negative; only rare CD34 myeloblasts are highlighted (×100). 1d, 2d) The erythroid precursor cell nuclei showing positive expression of p53 protein (×200).

Mita et al.Hematology and Leukemia  2016 4:3DOI : 10.7243/2052-434X-4-3