Figure 2
From: Osteoporosis resulting from acute lymphoblastic leukemia in a 7-year-old boy: a case report
Histological examination of a bone marrow aspiration, taken 1 month after admission, revealed acute lymphoblastic leukemia (L2). The cytological feature revealed large-heterogeneous cells, with homogeneous nuclear chromatin, one or more nucleoli, and low activity in the erythroid, myeloid and megakaryocytic system.