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1.
A 1-year-old child with essential thrombocythemia.
Gelarden, Ian A; Richardson, Aida I.
Blood ; 144(1): 122, 2024 Jul 04.
Article in English | MEDLINE | ID: mdl-38963668

Subject(s)
Thrombocythemia, Essential , Humans , Thrombocythemia, Essential/pathology , Thrombocythemia, Essential/complications , Thrombocythemia, Essential/diagnosis , Infant , Male , Janus Kinase 2/genetics , Female
2.
A 3-year-old with chronic myeloid leukemia.
Coty-Fattal, Zachary; Richardson, Aida I.
Blood ; 143(7): 651, 2024 Feb 15.
Article in English | MEDLINE | ID: mdl-38358845

Subject(s)
Leukemia, Myelogenous, Chronic, BCR-ABL Positive , Leukemia, Myeloid , Humans , Child, Preschool , Leukemia, Myelogenous, Chronic, BCR-ABL Positive/genetics , Chronic Disease
3.
Cytology-histology correlation of myoepithelial tumors harboring EWSR1-POU5F1 fusions: A report of two cases.
Gelarden, Ian A; Fu, Lucy; Yap, Kai Lee; Richardson, Aida I; Chou, Pauline M.
Diagn Cytopathol ; 50(6): E163-E169, 2022 Jun.
Article in English | MEDLINE | ID: mdl-35128846

ABSTRACT

Myoepithelial tumors (MET) constitute a group of neoplasms with a variety of morphologic, immunophenotypic, and molecular features. Approximately half of MET of soft tissue harbor EWSR1 gene rearrangements with a subset showing EWSR1-POU5F1 fusions and demonstrating distinctive tendency towards aggressive behavior in children. Histologically, EWSR1-POU5F1-positive MET typically show clear-cell morphology with malignant features including marked pleomorphism and atypical mitotic figures. The cytomorphology of these tumors has not been well characterized. Reported here are the cytomorphologic features of two cases of EWSR1-POUF1-positive MET with histology correlation.


Subject(s)
Myoepithelioma , Soft Tissue Neoplasms , Biomarkers, Tumor/genetics , Child , Humans , Immunophenotyping , Myoepithelioma/genetics , Myoepithelioma/pathology , Octamer Transcription Factor-3/genetics , Oncogene Proteins, Fusion/genetics , RNA-Binding Protein EWS/genetics , Soft Tissue Neoplasms/genetics , Soft Tissue Neoplasms/pathology
4.
Chronic myeloid leukaemia, BCR-ABL1-positive, in accelerated phase with marked eosinophilia with eosinophil atypia.
Richardson, Aida I; Skikne, Barry S; Woodroof, Janet.
Br J Haematol ; 188(5): 599, 2020 03.
Article in English | MEDLINE | ID: mdl-32032978

Subject(s)
Bone Marrow Cells , Eosinophilia , Eosinophils , Fusion Proteins, bcr-abl , Leukemia, Myelogenous, Chronic, BCR-ABL Positive , Adult , Bone Marrow Cells/enzymology , Bone Marrow Cells/pathology , Eosinophilia/enzymology , Eosinophilia/genetics , Eosinophilia/metabolism , Eosinophilia/pathology , Eosinophils/enzymology , Eosinophils/pathology , Fusion Proteins, bcr-abl/genetics , Fusion Proteins, bcr-abl/metabolism , Humans , Leukemia, Myelogenous, Chronic, BCR-ABL Positive/enzymology , Leukemia, Myelogenous, Chronic, BCR-ABL Positive/genetics , Leukemia, Myelogenous, Chronic, BCR-ABL Positive/pathology , Male
5.
Cuplike nuclear morphology is highly associated with IKZF1 deletion in pediatric precursor B-cell ALL.
Li, Weijie; Cooley, Linda D; August, Keith J; Richardson, Aida I; Shao, Lei; Ahmed, Atif A; Farooqi, Midhat S; Zwick, David L.
Blood ; 134(3): 324-329, 2019 07 18.
Article in English | MEDLINE | ID: mdl-31076445

Subject(s)
Cell Nucleus Shape , Gene Deletion , Ikaros Transcription Factor/genetics , Precursor B-Cell Lymphoblastic Leukemia-Lymphoma/diagnosis , Precursor B-Cell Lymphoblastic Leukemia-Lymphoma/genetics , Age Factors , Cell Nucleus Shape/genetics , Child , Comparative Genomic Hybridization , Cytogenetic Analysis , Humans , Immunohistochemistry
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