Allogeneic Hematopoietic Stem Cell Transplantation for a BCR-FGFR1 Myeloproliferative Neoplasm Presenting as Acute Lymphoblastic Leukemia
Figure 1
(a) Presenting bone marrow aspirate showing large lymphoblasts; (b) karyotype depicting t(8; 22) translocation highlighted by arrows; (c) FISH demonstrating a split BCR signal on chromosomes 8 and 22; (d) bone marrow aspirate with myeloid hyperplasia consistent with an atypical MPN.