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May 2015 DOI 10.14302/issn.2471-2175.jdrt-14-618
Y Chon SusanCorresponding author
Department of Dermatology, University of Texas MD Anderson Cancer Center
A case of a solitary necrotic cutaneous lesion in a neutropenic patient with acute myeloid leukemia is described. The report discusses infectious and non‑infectious differentials, work‑up under immunosuppression, and targeted management.
Feb 2018 DOI 10.14302/issn.2372-6601.jhor-18-1938
Mostafa Ali ElsayedCorresponding author
Clinical Oncology Department, Faculty of Medicine, Sohag University
Neuropilins are transmembrane glycoproteins that act as receptors for vascular endothelial growth factors (VEGF) and are involved in the process of tumor angiogenesis. Its importance in hematological malignancies such as acute leukemia (AL) remains to be elucidated. The aim of this study was to evaluate the significance of neuropilin-1 expression in acute myeloid leukemia (AML) and acute lymphocytic leukemia (ALL) patients by flowcytometry and the difference between both groups of acute leukemia. Bone marrow aspirates of 52 patients with acute leukemia, 29 patients with de novo AML and 23 ALL patients were examined in this study. 15 subjects with non-hematological malignancy serving as the control group were also included. Neuropilin-1 expression by flow cytometry showed a highly significant increase in de novo AML and ALL patients with a mean of 37.9 ± 20.92% and 32.33±19.8%, respectively, compared to control group’s mean of 11.51 ± 3.04% (p= 0.001, 0.006). There were no statistically significanct difference between ALL and AML patients (p= 0.76). Neuropilin-1 surface expression by flowcytometry showed a significant positive correlation with total leukocyte count, bone marrow blast percentage, CD45 and CD14 and negative correlation with hemoglobin level, RBCs count in AML patients. In ALL patients, positive significant correlations were found with bone marrow blast percentage and negative correlation with hemoglobin level, RBCs count. Neuropilin-1expression was detected significantly in acute leukemias and it is related to the disease severity.
Dec 2016 DOI 10.14302/issn.2372-6601.jhor-16-1330
Ferrarini IsaccoCorresponding author
Section of Hematology, Department of Medicine, University of Verona and Azienda Ospedaliera Universitaria Integrata Verona, Verona, Italy
Immune thrombocytopenia (ITP) is a rare but well-recognized post-allogeneic hematopoietic stem cell transplant (HSCT) autoimmune complication for which a standard treatment approach is lacking. Herein we report on an adult patient affected by high-risk acute myeloid leukemia (AML) who developed a post-HSCT ITP. Due to the refractoriness to first-line therapies the patient underwent the thrombopoietin (TPO) mimetic Eltrombopag obtaining the ITP resolution. We also discuss the clinical course of ITP in post-HSCT setting and pros and cons of different therapeutic strategies, focusing on the emerging role of TPO mimetics.