title: Marked eosinophilia masking B lymphoblastic leukemia.
authors.affiliation: Department of Pathology and Laboratory Medicine, The Children's Hospital of Philadelphia.
authors.forename: Hui
authors.initials: H
authors.lastname: Yu
authors.affiliation: Department of Pathology and Laboratory Medicine, The Children's Hospital of Philadelphia.
authors.forename: Gerald
authors.initials: G
authors.lastname: Wertheim
authors.affiliation: Inova Fairfax Hospital, Center for Cancer & Blood Disorders of Northern Virginia.
authors.forename: Sadhna
authors.initials: S
authors.lastname: Shankar
authors.affiliation: Department of Pathology and Laboratory Medicine, The Children's Hospital of Philadelphia.
authors.forename: Michele
authors.initials: M
authors.lastname: Paessler
authors.affiliation: Department of Pediatrics, The Children's Hospital of Philadelphia.
authors.forename: Richard
authors.initials: R
authors.lastname: Aplenc
authors.affiliation: Department of Pathology and Laboratory Medicine, The Children's Hospital of Philadelphia.
authors.forename: Vinodh
authors.initials: V
authors.lastname: Pillai
mesh_terms: D000293:Adolescent; D001402:B-Lymphocytes / Q000473:pathology; D001853:Bone Marrow / Q000473:pathology; D002313:Cardiomyopathy, Restrictive / Q000209:etiology; D002883:Chromosomes, Human, Pair 14 / Q000235:genetics / Q000648:ultrastructure; D002895:Chromosomes, Human, Pair 5 / Q000235:genetics / Q000648:ultrastructure; D058534:Class I Phosphatidylinositol 3-Kinases; D003951:Diagnostic Errors; D004417:Dyspnea / Q000209:etiology; D004802:Eosinophilia / Q000209:etiology*; D006801:Humans; D017681:Hypereosinophilic Syndrome / Q000175:diagnosis; D007143:Immunoglobulin Heavy Chains / Q000235:genetics; D016130:Immunophenotyping; D007377:Interleukin-3 / Q000235:genetics; D008297:Male; D019869:Phosphatidylinositol 3-Kinases / Q000235:genetics; D015452:Precursor B-Cell Lymphoblastic Leukemia-Lymphoma / Q000097:blood / Q000175:diagnosis* / Q000235:genetics; D014178:Translocation, Genetic
chemical_list: C508596:IL3 protein, human; D007143:Immunoglobulin Heavy Chains; D007377:Interleukin-3; D019869:Phosphatidylinositol 3-Kinases; D058534:Class I Phosphatidylinositol 3-Kinases; C484760:PIK3CA protein, human